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# DUPONT FONTELIS FUNGICIDE
- EPA Reg No: **352-834**
- Registrant: CORTEVA AGRISCIENCE, LLC
- Signal word: Caution
- Active ingredients: Penthiopyrad (20.4%)
- Label accepted: 2024-05-06
- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/000352-00834-20240506.pdf
---
1
May 6, 2024
Brian Bret
Regulatory Leader
Corteva Agriscience LLC
9330 Zionsville Road,
Indianapolis, IN 46268
Subject: PRIA Label Amendment Add early so il application for soil diseases in legumes
and peanuts. Addition of crops.
Product Name: Fontelis
EPA Registration Number: 352-834
Application Date: September 1, 2022
Case Number: 482515
Dear Brian Bret:
The amended label referred to above, submitted in connection with registration under the
Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), as amended, is acceptable. This
approval does not affect any conditions that were previously imposed on this registration. You
continue to be subject to existing conditions on your registration and any deadlines connected
with them.
A stamped copy of your labeling is enclosed for your records. This labeling supersedes all
previously accepted labeling. You must submit one copy of the final printed labeling before you
release the product for shipment with the new labeling. In accordance with 40 CFR 152.130(c),
you may distribute or sell this product under the previously approved labeling for 18 months
from the date of this letter. After 18 months, you may only distribute or sell this product if it
bears this new revised labeling or subsequently approved labeling. “To distribute or sell” is
defined under FIFRA section 2(gg) and its implementing regulation at 40 CFR 152.3.
Should you wish to add/retain a reference to the companys website on your label, then please
be aware that the website becomes labeling under FIFRA and is subject to review by the
Agency. If the website is false or misleading, the product would be misbranded and unlawful to
sell or distribute under FIFRA section 12(a)(1)(E). 40 CFR 156.10(a)(5) lists examples of
statements EPA may consider false or misleading. In addition, regardless of whether a website
is referenced on your products label, claims made on the website may not substantially differ
from those claims approved through the registration process. Therefore, should the Agency find
Page 2 of 2
EPA Reg. No. 352-834
Case No. 482515
or if it is brought to our attention that a website contains false or misleading statements or
claims substantially differing from the EPA approved registration, the website will be referred
to the EPAs Office of Enforcement and Compliance.
Your release for shipment of the product constitutes acceptance of these conditions. If these
conditions are not complied with, the registration will be subject to cancellation in accordance
with FIFRA section 6.
If you have any questions, please contact Elisha Graham at graham.elisha@epa.gov.
Kristy Crews, Ph.D., Product Manager 22
Fungicide Branch, Registration Division (7505T)
Office of Pesticide Programs, USEPA
Enclosure- Stamped Label
Fontelis / MSTR / Amend / 04-22-24 Page 1
(Booklet cover)
Fontelis®
[Alternate Brand Name: DuPont™ Fontelis®]
FUNGICIDE
Suspension Concentrate
Active Ingredient By Weight
Penthiopyrad 20.4%
Other Ingredients 79.6%
TOTAL 100.0%
Contains 1.67 pounds of penthiopyrad per gallon of product.
Keep Out of Reach of Children
CAUTION
Si usted no entiende la etiqueta, busque a alguien para que se la explique a usted en detalle. (If you do
not understand the label, find someone to explain it to you in detail.)
It is a violation of Federal law to use this product in a manner inconsistent with its labeling.
Agricultural Use Requirements
Use this product only in accordance with its labeling and with the Worker Protection Standard, 40 CFR
Part 170. Refer to the label booklet under “Agricultural Use Requirements” in the Directions for Use
section for information about this standard.
Refer to inside of label booklet for additional precautionary information including First Aid and
Directions for Use.
Notice: Read the entire label. Use only according to label directions. Before using this product, read
Warranty Disclaimer, Inherent Risks of Use and Limitation of Remedies at end of label booklet. If
terms are unacceptable, return at once unopened.
In case of emergency endangering health or the environment involving this product, call 1-800-992-5994.
Agricultural Chemical: Do not ship or store with food, feeds, drugs or clothing.
EPA Reg. No. 352-834 EPA Est. No. ______
™® Trademarks of Corteva Agriscience and its affiliated companies
Produced for
Corteva Agriscience LLC
9330 Zionsville Road
Indianapolis, IN 46268
NET CONTENT___
PENTHIOPYRAD GROUP 7 FUNGICIDE
05/06/2024
352-834
Fontelis / MSTR / Amend / 04-22-24 Page 2
([Booklet)
First Aid
IF SWALLOWED: Call a poison control center or doctor immediately for treatment advice. Have
person sip a glass of water if able to swallow. Do not induce vomiting unless told to by a poison control
center or doctor. Do not give anything by mouth to an unconscious person.
Have the product container or label with you when calling a poison control center or doctor, or going for
treatment. You may also contact 1-800-992-5994 for emergency medical treatment information.
Precautionary Statements
Hazards to Humans and Domestic Animals
CAUTION
Prolonged or frequently repeated skin contact may cause allergic reactions in some individuals.
May be harmful if swallowed. Wash thoroughly with soap and water after handling and before
eating, drinking, chewing gum, using tobacco, or using the toilet.
Personal Protective Equipment (PPE)
Mixers, loaders, applicators, and other handlers must wear:
- Long-sleeved shirt
- Long pants
- Shoes and socks
See engineering control statements for additional requirements.
Follow the manufacturers instructions for cleaning/maintaining PPE. If no such instructions for washables
exist, use detergent and hot water. Keep and wash PPE separately from other laundry.
Engineering Control Statements
When handlers use closed systems, enclosed cabs, or aircraft in a manner that meets the requirements
listed in the Worker Protection Standard (WPS) for agricultural pesticides [40 CFR 170.240(d)(4-6)], the
handler PPE requirements may be reduced or modified as specified in the WPS.
User Safety Recommendations
Users should:
x Wash hands before eating, drinking, chewing gum, using tobacco, or using the toilet.
x Remove clothing/PPE immediately if pesticide gets inside. Then wash thoroughly and put on
clean clothing.
x Remove PPE immediately after handling this product. Wash the outside of gloves before
removing. As soon as possible, wash thoroughly and change into clean clothing.
Environmental Hazards
This product is toxic to fish, aquatic invertebrates, and oysters. For terrestrial uses: Do not apply directly
to water, or to areas where surface water is present or to intertidal areas below the mean high water
mark. Do not contaminate water when disposing of equipment washwater or rinsate. Drift and runoff may
be hazardous to aquatic organisms in water adjacent to treated areas.
Fontelis / MSTR / Amend / 04-22-24 Page 3
Surface Water Advisory: This product may impact surface water quality due to runoff of rain water. This
is especially true for poorly draining soils and soils with shallow ground water. This product is classified as
having high potential for reaching surface water via runoff several weeks after application. A level, well-
maintained vegetative buffer strip between areas to which this product is applied and surface water
features such as ponds, streams, and springs will reduce the potential loading of this chemical from runoff
water and sediment. Runoff of this product will be reduced by avoiding applications when rainfall is
forecasted to occur within 48 hours.
Directions for Use
It is a violation of Federal Law to use this product in a manner inconsistent with its labeling. Read all
Directions for Use before applying.
AGRICULTURAL USE REQUIREMENTS
Use this product only in accordance with its labeling and with the Worker Protection Standard, 40 CFR
part 170. This Standard contains requirements for the protection of agricultural workers on farms,
forests, nurseries, and greenhouses, and handlers of agricultural pesticides. It contains requirements
for training, decontamination, notification and emergency assistance. It also contains specific
instructions and exceptions pertaining to the statements on the label about personal protective
equipment (PPE), and restricted-entry interval, and notification to workers (as applicable). The
requirements in this box only apply to uses of this product that are covered by the Worker Protection
Standard.
Do not apply this product in a way that will contact workers or other persons, either directly or through
drift. Only protected handlers may be in the area during application.
For any requirements specific to your State or Tribe, consult the State or Tribal agency responsible for
pesticide regulation.
Do not enter or allow worker entry i
nto treated areas during the restricted-entry interval (REI) of 12
hours. PPE required for early entry to treated areas that is permitted under the Worker Protection
Standard and that involves contact with anything that has been treated, such as plants, soil, or water,
is:
- Coveralls
- Shoes and socks
- Chemical resistant gloves (made of any waterproof material)
STORAGE AND DISPOSAL
Do not contaminate water, food, or feed by storage and disposal.
STORAGE: Keep container closed when not in use. Always store pesticides in the original container
only, away from other pesticides, food, pet food, feed, seed, fertilizer
s, and veterinary supplies. If a
leaky container must be contained within another, mark the outer container to identify the contents.
Storage areas must be locked and secure from vandalism, with precautionary signs posted. The
storage area must be dry, well-lit, and well- ventilated. Keep pesticide storage areas clean. Clean up
any spills promptly. Protect pesticide containers from extreme heat and cold. Store herbicides,
insecticides and fungicides in separate areas within the storage unit. Place liquid formulations on lower
shelves and dry formulations above. Maintaining a spill kit and fire extinguisher on hand and having
emergency phone numbers posted will allow you to be prepared for emergencies. If spill cleanup PPE
is stored nearby, but outside the pesticide storage area, it will be accessible when needed.
PESTICIDE DISPOSAL: Wastes resulting from the use of this product must be disposed of on site or
at an approved waste disposal facility.
CONTAINER HANDLING: Refer to the Net Contents section of this products labeling for the
Fontelis / MSTR / Amend / 04-22-24 Page 4
applicable “Nonrefillable Container” or “Refillable Container” designation.
Nonrefillable Rigid Plastic (Less Than 5 Gallons): Nonrefillable container. Do not reuse or refill this
container. Triple rinse container (or equivalent) promptly after emptying. Triple rinse as follows: Empty
the remaining contents into application equipment or a mix tank and drain for 10 seconds after the flow
begins to drip. Fill the container ¼ full with water and recap. Shake for 10 seconds. Pour rinsate into
application equipment or a mix tank or store rinsate for later use or disposal. Drain for 10 seconds after
the flow begins to drip. Repeat this procedure two more times. Then, for Plastic Containers, offer for
recycling if available or puncture and dispose of in a sanitary landfill.
Nonrefillable Rigid Plastic, e.g., Intermediate Bulk Containers [IBC] (Size or Shape Too Large to
be Tipped, Rolled or Turned Upside Down): Nonrefillable container. Do not reuse or refill this
container. Clean container promptly after emptying the contents from this container into application
equipment or mix tank and before final disposal using the following pressure rinsing procedure. Insert a
lance fitted with a suitable tank cleaning nozzle into the container and ensure that the water spray
thoroughly covers the top, bottom and all sides inside the container. The nozzle manufacturer generally
provides instructions for the appropriate spray pressure, spray duration and/or spray volume. If the
manufacturers instructions are not available, pressure rinse the container for at least 60 seconds using
a minimum pressure of 30 PSI with a minimum rinse volume of 10% of the container volume. Drain,
pour or pump rinsate into application equipment or rinsate collection system. Repeat this pressure
rinsing procedure two more times. Then, for Plastic Containers, offer for recycling if available or
puncture and dispose of in a sanitary landfill.
All Refillable Containers: Refillable container. Refilling Container: Refill this container with Fontelis
fungicide containing penthiopyrad only. Do not reuse this container for any other purpose. Cleaning
before refilling is the responsibility of the refiller. Prior to refilling, inspect carefully for damage such as
cracks, punctures, abrasions, worn out threads and closure devices. If damage is found, do not use
container, contact Corteva at the number below for instructions. Check for leaks after refilling and
before transporting.
If leaks are found, do not reuse or transport container, contact Corteva at the
number below for instructions. Disposing of Container: Do not reuse this container for any other
purpose other than refilling (see preceding). Cleaning the container before final disposal is the
responsibility of the person disposing of the container. To clean the container before final disposal, use
the following pressure rinsing procedure. Insert a lance fitted with a suitable tank cleaning nozzle into
the container and ensure that the water spray thoroughly covers the top, bottom and all sides inside the
container. The nozzle manufacturer generally provides instructions for the appropriate spray pressure,
spray duration and/or spray volume. If the manufacturers instructions are not available, pressure rinse
the container for at least 60 seconds using a minimum pressure of 30 PSI with a minimum rinse
volume of 10% of the container volume. Drain, pour or pump rinsate into application equipment or
rinsate collection system. Repeat this pressure rinsing procedure two more times. Then, for Plastic
Containers, offer for recycling if available or puncture and dispose of in a sanitary landfill.
Do not transport if container is damaged or leaking. If the container is damaged, leaking or obsolete, or in
the event of a major spill, fire or other emergency, contact Corteva Agriscience at 1-800-992-5994, day or
night.
Product Information
Fontelis® fungicide (referred to below as Fontelis fungicide or Fontelis) is a suspension concentrate
containing penthiopyrad for the control or suppression of many important listed plant diseases. Fontelis
fungicide contains mineral oil in the formulation.
Fontelis must be used only in accordance with instructions on this label, in separately issued labeling or
exemptions under FIFRA (Supplemental Labels, Special Local Need Registration, FIFRA Section 18
exemptions), or as otherwise permitted by FIFRA. Always read the entire label including the Limitation of
Warranty and Liability.
Fontelis / MSTR / Amend / 04-22-24 Page 5
Fontelis is a broad-spectrum fungicide, recommended for control of foliar and soil-borne plant diseases in
many listed crops, and has preventive, curative, and locally systemic activity. Fontelis may be used in
greenhouse production of lettuce, tomatoes, peppers, and edible peel cucurbits (cucumbers, gherkins,
summer squash). Fontelis must be applied in a regularly scheduled protective spray program in rotation
with other fungicides. See directions below for specific crop/disease recommendations.
Fontelis can be applied with commonly used ground equipment, hose-end, pressurized, and greenhouse
sprayers, air or chemigation equipment, except as otherwise directed, using sufficient water to obtain
thorough coverage of plants. Thorough coverage of all foliage is essential for effective disease control.
Maintain agitation during mixing and application to assure uniform product suspension.
Use Restrictions
- Use this product only in commercial and farm plantings.
- Do not use for home plantings.
- Do not formulate this product into other end-use products.
- In New York, do not sell, sell into, distribute, or use in Nassau or Suffolk Counties.
- In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
Application Volumes
• For conventional ground application, apply a minimum of 15 gallons per acre, increasing the spray
volume as the plants mature to ensure thorough coverage of foliage.
• For air-assisted ground application, apply a minimum of 10 gallons per acre.
• For aerial application, apply a minimum of 2 gallons per acre (10 gallons per acre for trees and
orchards).
Rainfastness: Fontelis rapidly penetrates into plant tissues and is rainfast within 1 hour after application.
CULTIVAR/VARIETAL CROP SAFETY
Not all crops within a crop group, and not all varieties, cultivars or hybrids of crops, have been individually
tested for crop safety. It is not possible to evaluate for crop safety all applications of Fontelis on all crops
within a crop group, on all varieties, cultivars, or hybrids of those crops, or under all environmental
conditions and growing circumstances. To test for crop safety, apply the product in accordance with the
label instructions to a small area of the target crop to ensure that a phytotoxic response will not occur,
especially where the application is a new use of the product by the applicator.
INTEGRATED PEST MANAGEMENT
Corteva recommends the use of Integrated Pest Management (IPM) programs to control pests. Fontelis
may be used as part of an IPM program which can include biological, cultural, and genetic practices
aimed at preventing economic pest damage. Application of this product should be based on IPM
principles and practices including field scouting or other detection methods, correct target pest
identification, population monitoring, and treating when disease forecasting models reach locally
determined action levels. Consult your state cooperative extension service, professional consultants, or
other qualified authorities to determine the appropriate management, cultural practice and treatment
threshold levels for the specific crop, geography and diseases.
RESISTANCE MANAGEMENT
For resistance management, Fontelis contains a Group 7 fungicide. Any fungal population may contain
individuals naturally resistant to Fontelis and other Group 7 fungicides. A gradual or total loss of pest
control may occur over time if these fungicides are used repeatedly in the same fields. Appropriate
resistance-management strategies should be followed.
To delay fungicide resistance, take one or more of the following steps:
Fontelis / MSTR / Amend / 04-22-24 Page 6
• Rotate the use of Fontelis or other Group 7 fungicides within a growing season sequence with
different groups that control the same pathogens.
• Use tank mixtures with fungicides from a different group that are equally effective on the target pest
when such use is permitted. Use at least the minimum application rate as labeled by the
manufacturer.
• Adopt an integrated disease management program for fungicide use that includes scouting, uses
historical information related to pesticide use, and crop rotation, and which considers host plant
resistance, impact of environmental conditions on disease development, disease thresholds, as well
as cultural, biological and other chemical control practices.
• Where possible, make use of predictive disease models to effectively time fungicide applications.
Note that using predictive models alone is not sufficient to manage resistance.
• Monitor treated fungal populations for resistance development.
• Contact your local extension specialist or certified crop advisor for any additional pesticide resistance-
management and/or IPM recommendations for specific crops and pathogens.
• For further information or to report suspected resistance call 1-800-258-3033. You can also contact
your pesticide distributor or university extension specialist to report resistance.
TANK MIXTURES
Fontelis fungicide contains mineral oil in the formulation. If tank mixing with oil sensitive products (for
example, captan) read and follow their label restrictions.
It is the pesticide users responsibility to ensure that all products are registered for the intended use. Read
and follow the applicable restrictions and limitations and directions for use on all product labels involved in
tank mixing. Users must follow the most restrictive directions for use and precautionary statements of
each product in the tank mixture. The crop safety of all tank mixtures with Fontelis which may include
physically compatible pesticides, fertilizers, adjuvants, and/or additives, has not been tested. When
considering a tank mixture with Fontelis, it is important to understand crop safety. To test for crop safety,
prepare a small volume of the intended tank mixture, apply it to an area of the target crop as directed by
both this and the tank mix partner product labels, and observe the treated crop to ensure that a phytotoxic
response does not occur.
Corteva will not be responsible for any crop injury arising from the use of a tank mixture.
Some materials including oils, surfactants, adjuvants and pesticide formulations when applied individually,
sequentially, or in tank mixtures may solubilize the plant cuticle, facilitate penetration into plant tissue, and
increase the potential for crop injury.
Always follow the tank mix instructions of the product label that is most restrictive. Consult a Corteva
representative or local agricultural authorities for more information concerning tank mixtures.
APPLICATION INFORMATION
Mixing Instructions
1. Fill clean spray tank ¼ ½ full of water.
2. While agitating, add the required amount of Fontelis, continuing agitation until the product is
completely dispersed.
3. Continue filling the tank, with agitation, following the sequence listed below in tank mixing sequence.
Adjuvants
Fontelis fungicide may be used with adjuvants, for example, nonionic surfactants, crop oils, methylated
seed oils, and blends at typical agricultural use rates for these adjuvants.
Fontelis / MSTR / Amend / 04-22-24 Page 7
Physical Compatibility
Fontelis is physically compatible with many commonly used fungicides, liquid fertilizers, herbicides,
insecticides, and biological control products. However, since the formulations of products are always
changing, it is important to test the physical compatibility of desired tank mixes and check for undesirable
physical effects, including settling out or flocculation. To determine the physical compatibility, add the
proportions of the tank mix products and water to a small container, mix thoroughly and allow to stand for
20 minutes. If the combination remains mixed, or can be re-mixed readily, it may be considered physically
compatible.
Tank Mixing Sequence
When using in a tank mix, add different formulation types in the sequence indicated below. Allow time for
complete mixing and dispersion after addition of each product.
1. water-soluble bag
2. water-dispersible granules
3. wettable powders
4. water-based suspension concentrates (Fontelis)
5. water-soluble concentrates
6. oil-based suspension concentrates
7. emulsifiable concentrates
8. adjuvants, surfactants, and oils
9. soluble fertilizers
10. drift retardants
CROP ROTATION
The following list of crops and crop groups (with examples) may be planted immediately after
harvest:
Alfalfa
Banana
Berry, low growing berry crop subgroup 13-07G (strawberry, lowbush blueberry)
Brassica head and stem vegetable crop group 5-16 (cabbage, broccoli, cauliflower)
Brassica leafy greens vegetable crop subgroup 4-16B (collards, kale, mustard greens)
Bulb vegetable crop group 3-07 (onion, garlic, chives)
Bushberry crop subgroup 13-07B (highbush blueberry)
Caneberry crop subgroup 13-07A (blackberries, raspberries)
Celtuce
Cereal grains (barley, corn, oats, rye, sorghum, wheat)
Cucurbit vegetable crop group 9 (cucumber, cantaloupe, watermelon, squashes)
Fennel, Florence
Fruiting vegetable crop group 8-10 (tomato, pepper)
Kohlrabi
Leaf petiole vegetable crop subgroup 22B (celery, rhubarb)
Leafy greens vegetable crop subgroup 4-16A (lettuce, spinach)
Legume vegetable crop group 6 (bean, pea: subgroup 6A edible podded, subgroup 6B succulent shelled,
and subgroup 6C dried shelled)
Oilseed crop group 20 (canola, cotton, sunflower)
Peanuts
Pome fruit crop group 11-10 (apple, pear)
Root vegetable crop subgroup 1B and leaves of root vegetable crop group 2 (carrot, garden beet, radish,
turnip)
Soybean
Stone fruit crop group 12-12 (cherries, peaches, plums)
Fontelis / MSTR / Amend / 04-22-24 Page 8
Sugar beet
Tree nut crop group 14-12 (almond, filbert, pistachio, walnut)
Tuberous and corm vegetable crop subgroup 1C and leaves of tuberous and corm vegetable crop group
2 (potato, sweet potato, yam)
All other crops cannot be planted until 120 days after the last application of Fontelis fungicide.
Table 1. Fontelis fungicide labeled Crop and Crop Groups, Pre-Harvest Intervals, Maximum Single
Application Rates, and Total Rates allowed per year
Crop, Crop group or Subgroup
with examples†
Minimum Time from
Application to Harvest
(PHI days or crop stage)
Maximum Rate
per Acre per Application
fl oz product
(lb active ingredient)
Maximum Product
per Acre per Year**
fl oz product
(lb active ingredient)
Alfalfa 14 days 24 fl oz
(0.31 lb)
48 fl oz
(0.63 lb)
Banana* 0 day 24 fl oz
(0.31 lb)
72 fl oz**
(0.94 lb)**
Berry, low growing (subgroup
13-07G) strawberry, lowbush
blueberry*
0 day 24 fl oz
(0.31 lb)
72 fl oz**
(0.94 lb)**
Brassica, head and stem
vegetables,
(group 5-16)
cabbage, broccoli, cauliflower
0 day 30 fl oz
(0.39 lb)
72 fl oz**
(0.94 lb)**
Bulb vegetables
(group 3-07)
onion, garlic, chives
3 days 24 fl oz
(0.31 lb)
72 fl oz**
(0.94 lb)**
Bushberries
(subgroup 13-07B)
highbush blueberry
0 day 24 fl oz
(0.31 lb)
72 fl oz**
(0.94 lb)**
Caneberries
(subgroup 13-07A)
blackberries, raspberries
0 day 24 fl oz
(0.31 lb)
72 fl oz**
(0.94 lb)**
Canola* 21 days 20 fl oz
(0.26 lb)
41 fl oz
(0.53 lb)
Cereal grains*
Barley, Wheat, oats, rye
0 day forage and hay, Do
not apply after flowering
(10.5.1)
24 fl oz
(0.31 lb)
48 fl oz
(0.63 lb)
Cereal grains*
Sorghum
0 day forage
30 days grain and stover
24 fl oz
(0.31 lb)
48 fl oz
(0.63 lb)
Corn* 0 day forage
7 days grain and stover
24 fl oz
(0.31 lb)
48 fl oz
(0.63 lb)
Cotton* 21 days 24 fl oz
(0.31 lb)
72 fl oz**
(0.94 lb)**
Fontelis / MSTR / Amend / 04-22-24 Page 9
Cucurbit vegetables
(group 9)
cucumber, cantaloupe,
watermelon, squashes
1 day 16 fl oz
(0.21 lb)
67 fl oz**
(0.87 lb)**
Fruiting vegetables
(group 8-10)
tomato, peppers
0 day 24 fl oz
(0.31 lb)
72 fl oz**
(0.94 lb)**
Leaf petiole vegetables
(subgroup 22B) celery,
rhubarb
3 days 24 fl oz
(0.31 lb)
72 fl oz**
(0.94 lb)**
Leafy greens
(subgroup 4-16A)
lettuce, spinach
3 days 24 fl oz
(0.31 lb)
72 fl oz**
(0.94 lb)**
Leafy greens Brassica
(subgroup 4-16B)
collards, kale, mustard greens
0 day 30 fl oz
(0.39 lb)
72 fl oz**
(0.94 lb)**
Legume vegetables
(subgroup 6A edible podded
and subgroup 6B succulent
shelled)
0 day 30 fl oz
(0.39 lb)
72 fl oz**
(0.94 lb)**
Legume vegetables
Bean, pea (subgroup 6C
dried shelled, except
soybean)
0 day vine and hay
21 days seed
20 fl oz
(0.26 lb)
41 fl oz
(0.53 lb)
Peanut* 14 days 24 fl oz
(0.31 lb)
72 fl oz**
(0.94 lb)**
Pome fruit
(group 11-10)
apple, pear
28 days 20 fl oz
(0.26 lb)
61 fl oz
(0.80 lb)
Root vegetables and leaves
(except sugar beets) (subgroup
1B, group 2) carrot, garden beet,
radish, turnips
0 day 30 fl oz
(0.39 lb)
61 fl oz
(0.80 lb)
Soybeans* 0 day forage and hay
14 days seed
30 fl oz
(0.39 lb)
61 fl oz
(0.80 lb)
Stone fruit
(group 12-12)
cherries, peaches, plums
0 day 20 fl oz
(0.26 lb)
61 fl oz
(0.80 lb)
Sugar beet* 7 days
0 day forage
30 fl oz
(0.39 lb)
61 fl oz
(0.80 lb)
Sunflower* 14 days 30 fl oz
(0.39 lb)
61 fl oz
(0.80 lb)
Tree nuts
(group 14-12)
almond, filbert, pistachio,
walnut
14 days 20 fl oz
(0.26 lb)
61 fl oz
(0.80 lb)
Tuberous and corm vegetables
and leaves Potato, sweet potato,
yam
7 days 24 fl oz
(0.31 lb)
72 fl oz**
(0.94 lb)**
[Note to reviewer. We may or may not include asterisks and the following “*Not for use in California.”]
**In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
†Refer to the crop specific direction for use tables to determine exactly which crop species in each crop area or crop group are
Fontelis / MSTR / Amend / 04-22-24 Page 10
included.
Soilborne/Seedling Disease Control for Cotton, Sugar Beets, and Tuberous and Corm Vegetables
(Potatoes, Sweet Potatoes, Yams)
Fontelis can provide suppression or control of soilborne diseases when applied early in the growing
season using specific application methods like pre-plant incorporation prior to planting, or in-furrow or
banded applications. A single early season application of Fontelis can be made to the soil by one of the
following methods.
Banded application:
Apply Fontelis prior to infection as a directed spray to the soil, using single or multiple nozzles, adjusted
to provide thorough coverage of the targeted foliage and surrounding soil surface. Band width should be
limited to 6-8 inches or less. Refer to the Soil Application Rates table.
In-furrow application:
Apply Fontelis as an in-furrow spray in 3-15 gallons of water at planting. Adjust the spray pattern so the
spray is directed into the furrow on the seed and surrounding soil. The spray pattern should be a 4- to 8-
inch band that is applied to the seed just prior to being covered with soil. Refer to the Soil Application
Rates table.
Pre-plant incorporation:
Apply Fontelis to the soil in a band or broadcast spray. Incorporate the Fontelis to a depth of 1-2 inches
using a rototiller, cultivator, rotary hoe, irrigation or similar methodology. Refer to the Soil Application
Rates table.
Soil Application Rates for Cotton, Sugar Beets, and Tuberous and Corm Vegetables (Potatoes,
Sweet Potatoes, Yams)
Rate per
1000 row
feet
Product per Acre (fl oz)a
fl oz prod/
1000 ft row
22 “
rows
30 “
rows
32 “
rows
34 “
rows
36 “
rows
38 “
rows
40 “
rows
0.7 16.7 12.2 11.4 10.9 10.2 9.6 9.2
1.2 28.6b 20.9 19.6 18.5 17.4 16.5 15.7
1.6 - 27.9c 26.1d 24.6e 23.0 22.0 21.1
a Consult the maximum rate per acre allowed for the crop, and do not exceed that rate when using this
application method.
b In 22 inch rows, the highest rate for crops with 24 fl oz/acre maximums is 1.0 fl oz/1000 ft row, and for crops
with 30 fl oz/acre maximums is 1.26 fl oz/1000 ft row.
c In 30 inch rows, the highest rate for crops with 24 fl oz/acre maximums is 1.38 fl oz/1000 ft row.
d In 32 inch rows, the highest rate for crops with 24 fl oz/acre maximums is 1.47 fl oz/1000 ft row.
e In 34 inch rows, the highest rate for crops with 24 fl oz/acre maximums is 1.56 fl oz/1000 ft row.
Fontelis / MSTR / Amend / 04-22-24 Page 11
Soilborne/Seedling Disease Control for Tomatoes, Bulb Onions, Peanuts*, and Legume*
Vegetables
Fontelis can provide suppression or control of soilborne diseases when applied early in the growing
season using specific application methods like pre-plant incorporation prior to planting, or in-furrow,
banded, or drip applications. A single early season application of Fontelis can be made to the soil by one
of the following methods.
Banded application:
Apply Fontelis prior to infection as a directed spray to the soil, using single or multiple nozzles, adjusted
to provide thorough coverage of the targeted foliage and surrounding soil surface. Band width should be
limited to 6-8 inches or less. Refer to the Soil Application Rates table.
In-furrow application:
Apply Fontelis as an in-furrow spray in 3-15 gallons of water at planting. Adjust the spray pattern so the
spray is directed into the furrow on the seed and surrounding soil. The spray pattern should be a 4- to 8-
inch band that is applied to the seed just prior to being covered with soil. Refer to the Soil Application
Rates table.
Pre-plant incorporation:
Apply Fontelis to the soil in a band or broadcast spray. Incorporate the Fontelis to a depth of 1-2 inches
using a rototiller, cultivator, rotary hoe, irrigation or similar methodology. Refer to the Soil Application
Rates table.
Transplant water application:
Transplants should be adequately watered before transplanting. Ensure transplant water volume is
sufficient to thoroughly wet the root zone.
Use 3-5 fl oz of transplant water per plant. Determine the total water gallonage per acre based on the
plant population per acre and the fl oz transplant water/plant (3-5 fl oz). Mix the per acre rate of Fontelis
into the partially filled tank, then completely fill the tank. Continue tank agitation through the transplanting
process.
Example: 8712 plants/acre x 4 fl oz/ plant = 34,848 fl oz/ acre x 1 gallon/ 128 fl oz = 272.3 gallons/acre
total transplant water.
Drip application:
Fontelis must be applied in a manner that ensures the product is in the root zone to provide effective
control of target pests. Fontelis is most effective when it is applied so that the roots are at or near the site
of application. Refer to the Soil Application Rates table.
Manage irrigation so that significant quantities of Fontelis remain in the root zone.
1.Do not begin applications until after crop emergence in direct seeded crops.
2.Do not make applications if soil moisture is below the level required for active plant growth.
3.This product must be applied uniformly in the root zone or poor performance may result. Drip
tape or emitters must be located within or directly adjacent to the root zone.
4.The drip system must be properly designed, free of leaks, and operated in a manner that
provides uniform application of water throughout the field.
Fontelis / MSTR / Amend / 04-22-24 Page 12
Soil Application Rates for Tomatoes, Bulb Onions, Peanuts*, and Legumes*
Rate per 1000
row feet Product per Acre (fl oz)a
fl oz prod/
1000 ft row
22”
rows
30”
rows
32”
rows
34”
rows
36”
rows
38”
rows
40”
rows
1.2 28.6b 20.9 19.6 18.5 17.4 16.5 15.7
1.6 - 27.9c 26.1d 24.6e 23.0 22.0 21.1
a Consult the maximum rate per acre allowed for the crop, and do not exceed that rate when using this application method.
b in 22 inch rows, the highest rate for crops with 24 fl oz/acre maximums is 1.0 fl oz/1000 ft row, and for crops with 30 fl oz/acre
maximums is 1.26 fl oz/1000 ft row.
c in 30 inch rows, the highest rate for tomatoes and bulb onions with 24 fl oz/acre maximum is 1.38 fl oz/1000 ft row.
d in 32 inch rows, the highest rate for tomatoes and bulb onions with 24 fl oz/acre maximum is 1.47 fl oz/1000 ft row.
e in 34 inch rows, the highest rate for tomatoes and bulb onions with 24 fl oz/acre maximum is 1.56 fl oz/1000 ft row.
[Note to reviewer. We may or may not include asterisks and the following “*Not for use in California.”]
USE RATES AND APPLICATION INSTRUCTIONS
Crop/Crop Group Target Diseases Use Rate per Acre
(fl oz)
Application Instructions
Alfalfa Powdery mildew*
(Erysiphe pisi, Leveillula taurica)
Stemphylium leafspot
(Stemphylium botryosum)
14 - 24 fl oz
(0.18 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
-t o 1 4 -day
interval. Use higher rate and
shorter interval when disease
pressure is high.Sclerotinia crown and stem rot*
(Sclerotinia spp.)
16- 24 fl oz
(0.21 0.31 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Minimum time from application to harvest (PHI) is 14 days. Do not
exceed 48 fl oz (0.63 lb ai)/acre per year.
*Not for use in California
Crop/Crop Group Target Diseases Use Rate per
Acre (fl oz)
Application Instructions
Banana* Black sigatoka
(Mycosphaerella fijiensis)
24 fl oz
(0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 10
-day interval.
RESTRICTIONS: Make no more than 3 applications of Fontelis fungicide per year. Minimum time from application
to harvest (PHI) is 0 days. Do not exceed 72 fl oz (0.94 lb ai)/acre per year. In New York, do not exceed 61 fl oz
(0.80 lb ai) per acre per year.
[Note to reviewer. We may or may not include asterisks and the following “*Not for use in California.” ]
Fontelis / MSTR / Amend / 04-22-24 Page 13
Crop/Crop Group Target Diseases
Use Rate per Acre
(fl oz) Application Instructions
Berry, Low Growing
(Crop Subgroup 13-07G)
Including only:
Strawberry (except Clancy,
Jewel, and LAmour
varieties); bearberry; bilberry;
cloudberry; cranberry;
muntries; partridgeberry;
cultivars, varieties, and/or
hybrids of these except as
noted
Botrytis fruit rot, gray mold
(Botrytis cinerea)
Powdery mildew
(Sphaerotheca spp.)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7-t o 1 4 -day
interval. Use higher rate and
shorter interval when
disease pressure is high.
NOTE
. Not all matted row
varieties have been tested
and foliar reddening may
occur in some varieties
under certain environmental
conditions. Tank mixtures
and/or alternating
applications of captan or
thiram may cause speckling
on the lower surface of
strawberry leaves under
certain environmental
conditions. Discontinue
applications with captan
and/or thiram if signs of a
crop response appear. In
observed speckling
situations, no impact to leaf
growth, flowering, or fruiting
were noted. Not all varieties
have been tested.
For control of gray mold
where resistance to Group 7
fungicides is suspected,
Fontelis should be tank
mixed with a fungicide with
a different mode
-of-action
that is effective for gray
mold control.
Lowbush Blueberry* Botrytis fruit rot, gray mold
(Botrytis cinerea)
Brown leaf spot
(Septoria spp.)
Leaf rust
(Thekospora minima)
Powdery Mildew
(Microsphaera vaccinii)
Mummy berry
(Monilinia vaccinii-corymbosi)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
-t o 1 4 -day
interval. Use higher rate and
shorter interval when
disease pressure is high.
For control of gray mold
where resistance to Group 7
fungicides is suspected,
Fontelis should be tank
mixed with a fungicide with a
different mode
-of-action that
is effective for gray mold
control.
Fontelis / MSTR / Amend / 04-22-24 Page 14
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with
a different mode of action. Minimum time from application to harvest (PHI) is 0 days. Do not exceed 72 fl oz
(0.94 lb ai)/acre per year. In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
*Not for use in California
Crop/Crop Group Target Diseases Use Rate per
Acre (fl oz)
Application Instructions
Brassica Head and Stem
Vegetable
(Crop Group 5-16)
Broccoli; Brussels sprouts;
cabbage; cabbage, Chinese,
napa; cauliflower; cultivars,
varieties, and/or hybrids of
these
Kohlrabi
Alternaria, black spot, leaf spot
(Alternaria spp.)
Gray mold*
(Botrytis cinerea)
Pin rot
(Alternaria spp.)
Powdery mildew
(Erysiphe cruciferarum,
Erysiphe polygoni)
14 - 30 fl oz
(0.18 0.39 lb ai/A)
Begin applications prior to
disease development and
continue on a 7-t o 1 4 -day
interval. Use higher rate and
shorter interval when
disease pressure is high.
Sclerotinia stem rot
(Sclerotinia spp.)
16 - 30 fl oz
(0.21 0.39 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time from application to harvest (PHI) is 0 days. Do not exceed 72 fl oz (0.94
lb ai)/acre per year. In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
*Not for use in California
Fontelis / MSTR / Amend / 04-22-24 Page 15
Crop/Crop Group Target Diseases
Use Rate per Acre
(fl oz) Application Instructions
Bulb Vegetable
(Crop Group 3-07)
Including only:
Chive, fresh leaves; chive,
Chinese, fresh leaves; daylily,
bulb; elegans hosta; fritillaria,
bulb; fritillaria, leaves; garlic,
bulb;
garlic, great-headed,
bulb; garlic, serpent, bulb;
kurrat
; ladys leek; leek; leek,
wild; lily, bulb; onion, Beltsville
bunching; onion, bulb; onion,
Chinese, bulb; onion, fresh;
onion, green;
onion,
macrostem; onion, pearl;
onion, potato, bulb; onion,
tree, tops; onion, Welsh, tops;
shallot, bulb; shallot, fresh
leaves; cultivars, varieties,
and/or hybrids
of these
Botrytis blight and neck rot
(Botrytis spp.)
Garlic rust
(Puccinia allii)
Powdery mildew*
(Leveillula taurica, Oidiopsis
spp.)
Purple blotch
(Alternaria porri)
Stemphylium leaf blight and
stem rot*
(Stemphylium vesicarium)
White rot
(Sclerotium cepivorum)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
-t o 1 4 -day
interval. Use higher rate and
shorter interval when
disease pressure is high.
Bulb Onion Soil-borne Diseases
Rhizoctonia seedling blight/
rot
(Rhizoctonia spp.)
White Rot
(Sclerotium cepivorum)
1.2 - 1.6 fl
oz/1000 row ft
(0.016 - 0.021 lb
ai/1000 row ft)
Make at-plant, pre-plant
incorporated, in-furrow,
transplant drench, or drip
applications. Maximum rate
per acre per application is 24
fl oz.
See soil
-borne disease
section instructions.
For White Rot control apply
16-24 fl oz/acre in a 4-6 inch
band in furrow at planting.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Minimum time from application to harvest (PHI) is 3 days. Do not
exceed 72 fl oz (0.94 lb ai)/acre per year in total from any combination of soil and foliar treatments. In New
York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
*Not for use in California
Fontelis / MSTR / Amend / 04-22-24 Page 16
Crop/Crop Group Target Diseases Use Rate per Acre
(fl oz)
Application Instructions
Bushberry
(Crop Subgroup 13-07B)
Including only:
Aronia berry; blueberry,
highbush; buffalo currant;
Chilean guava; cranberry,
highbush; currant, black;
currant, red; elderberry
European, barberry;
gooseberry; honeysuckle,
edible; huckleberry;
jostaberry; Juneberry
(Saskatoon berry); lingonberry;
nati
ve currant; salal; sea
buckthorn; cultivars, varieties,
and/or hybrids of these except
as noted
Botrytis gray mold
(Botrytis cinerea)
Phomopsis twig blight and
canker
(Phomopsis vaccinii)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
-t o 1 4 -day
interval. Use higher rate and
shorter interval when disease
pressure is high.
Do not apply Fontelis on the
highbush blueberry variety
Star after bloom.
Do not use an adjuvant with
Fontelis
after petal fall.
For control of gray mold
where resistance to Group 7
fungicides is suspected,
Fontelis should be tank
mixed with a fungicide with a
different mode
-of-action that
is effective for gray mold
control.
Mummy berry
(Monilinia vaccinii-corymbosi)
24 fl oz
(0.31 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time from application to harvest (PHI) is 0 days. Do not exceed 72 fl oz (0.94 lb
ai)/acre per year. In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
Fontelis / MSTR / Amend / 04-22-24 Page 17
Crop/Crop Group Target Diseases Use Rate per Acre
(fl oz)
Application Instructions
Caneberry
(Crop Subgroup 13-07A)
Including only:
Blackberry; loganberry;
raspberry, red and black; wild
raspberry; cultivars, varieties,
and/or hybridsof these
Botrytis gray mold
(Botrytis cinerea)
Spur blight
(Didymella applanata)
Yellow rust
(Phragmidium rubi
-idaei)
Late yellow rust
(Pucciniastrum americanum)
14 - 24 fl oz
(0.18 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7- to 14-day
interval. Use higher rate and
shorter interval when
disease pressure is high.
For control of gray mold
where resistance to Group 7
fungicides is suspected,
Fontelis should be tank
mixed with a fungicide with a
different mode-of-action that
is effective for gray mold
control.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time from application to harvest (PHI) is 0 days. Do not exceed 72 fl oz (0.94
lb ai)/acre per year. In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
Cereal grains* except rice, including: barley, millets, sorghums, wheat, corn
Use directions for specific cereal grains are provided below. Cereal grains may be used for grazing,
forage, and/or hay within 0 days after the last application.
Crop/Crop Group Target Diseases Use Rate per Acre
(fl oz)
Application Instructions
Barley* Scald
(Rhynchosporium secalis)
Spot blotch
(Cochliobolus sativus)
14 - 24 fl oz
(0.18 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7-t o 1 4 -day
interval, depending on the
targeted disease. Use higher
rate and shorter interval
when disease pressure is
high.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Do not apply after flowering (Feekes 10.5.1). Do not exceed 48 fl oz/acre (0.63 lb ai) per
year.
Millet, pearl*
millet, proso*
Sorghum (milo)*
sorghum spp.
(sudangrass and
hybrids)*
Rust, common
(Puccinia sorghi)
10 - 24 fl oz
(0.13 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
-t o 1 4 -day
interval. Use higher rate and
shorter interval when
disease pressure is high.
Fontelis / MSTR / Amend / 04-22-24 Page 18
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time (PHI) between application and grain and stover harvest is 30 days. Do not
exceed 48 fl oz (0.63 lb ai)/acre per year.
*Not for use in California
Cereal grains* except rice, including: barley, millets, sorghums, wheat, corn
Use directions for specific cereal grains are provided below. Cereal grains may be used for grazing,
forage, and/or hay within 0 days after the last application.
Crop/Crop Group Target Diseases
Use Rate per acre
(fl oz) Application
Instructions
Wheat*; rye*; oats*;
buckwheat*; teosinte*;
triticale*
Leaf and glume blotch
(Stagonospora spp.,
Septoria spp.)
Rust, brown leaf
(Puccinia recondita f.
sp. tritici)
Rust, black stem
(Puccinia graminis f.
sp. tritici)
Rust, stripe
(Puccinia striiformis)
10 - 24 fl oz
(0.13 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7-t o 1 4 -day
interval, depending on the
targeted disease. Use
higher
rate and shorter
interval when disease
pressure is high.
To optimize yields in
cereals, it is important to
protect the flag leaf from
foliar diseases. For
optimizing yield and flag
leaf disease control, apply
Fontelis
fungicide at
Feekes 9, 'flag leaf out.'
Tan spot
(Pyrenophora tritici-repentis)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
Disease suppression
Powdery mildew
(Erysiphe graminis f. sp. tritici)
Scab
(Fusarium spp.)
10 - 24 fl oz
(0.13 0.31 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Do not apply after flowering (Feekes 10.5.1). Do not exceed 48 fl oz
(0.63 lb ai)/acre per year.
*Not for use in California
Fontelis / MSTR / Amend / 04-22-24 Page 19
Crop/Crop Group Target Diseases Use Rate per
Acre (fl oz)
Application Instructions
Corn, field*
corn, sweet*
corn, seed*
popcorn*
Anthracnose leaf blight
(Colletotrichum graminicola)
Gray leaf spot
(Cercospora zeae-maydis)
Leaf spots
(Alternaria spp.)
Northern corn leaf blight
(Exserohilum turcicum)
Northern corn leaf spot
(Bipolaris zeicola)
Rusts
(Puccinia spp.)
Southern corn leaf blight
(Bipolaris maydis)
10 - 24 fl oz
(0.13 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7-t o 1 4 -day
interval. Use higher rate and
shorter interval when
disease pressure is high.
Physoderma brown spot
(Physoderma maydis)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time (PHI) between application and grain and stover harvest is 7 days for
corn. Corn may be used for grazing or forage within 0 days after the last application. Do not exceed 48 fl oz (0.63
lb ai)/acre per year.
*Not for use in California
Crop/Crop Group Target Diseases Use Rate per
Acre (fl oz)
Application Instructions
Cucurbit Vegetable
(Crop Group 9)
Chayote (fruit);
Chinese waxgourd (Chinese
preserving melon); citron
melon; cucumber (field and
greenhouse); gherkin (field
and greenhouse); gourd,
edible (includes hyotan,
cucuzza, hechima, Chinese
okra);
Momordica spp.
(includes balsam apple,
balsam pear, bittermelon,
Chinese cucumber);
Alternaria leaf spot and blight*
(Alternaria spp.)
Gray mold*
(Botrytis cinerea)
Gummy stem blight*
(Didymella bryoniae)
Powdery mildew
(Sphaerotheca fuliginea)
Erysiphe cichoracearum)
12 - 16 fl oz
(0.16 0.21 lb ai/A)
Begin applications prior to
disease development and
continue on a 5
-t o 1 4 -day
interval. Use higher rate and
shorter interval when
disease pressure is high.
For disease control in
greenhouse cucurbits, use
Fontelis at a rate range of
0.375
- 0.5 fl oz of product
(0.75 - 1 tablespoon) per
gallon of spray per 1360 sq
ft. These rates equal field
rates of 12
-16 fl oz/acre.
Fontelis / MSTR / Amend / 04-22-24 Page 20
muskmelon (includes
cantaloupe - other examples
in footnote (1)); pumpkin;
squash, summer (field and
greenhouse); squash, winter
(includes butternut squash,
calabaza, hubbard squash,
acorn squash, spaghetti
squash);
watermelon
Sclerotinia stem rot*
(Sclerotinia sclerotiorum)
16 fl oz
(0.21 lb ai/A) For control of Gummy stem
blight where Group 7
fungicide resistance is
suspected, tank mix Fontelis
with a minimum of 1.5 lb
active chlorothalonil/acre.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Minimum time from application to harvest (PHI) is 1 day. Do not exceed
67 fl oz (0.87 lb ai)/acre per year. In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
(1) Muskmelon: includes true cantaloupe, cantaloupe, casaba, Santa Claus melon, crenshaw melon,
honeydew melon, honey balls, Persian melon, golden pershaw melon, mango melon, pineapple melon,
snake melon, and other varieties and/or hybrids of these.
*Not for use in California
Crop/Crop Group Target Diseases Use Rate per
Acre (fl oz)
Application Instructions
Fruiting Vegetable
(Crop Group 8-10)
African eggplant; bush
tomato; bell pepper (field and
greenhouse); cocona; currant
tomato; eggplant; garden
huckleberry; goji berry;
groundcherry; martynia;
naranjilla; okra; pea eggplant;
pepino; nonbell pepper (field
and greenhouse); roselle;
scarlet eggplant; sunberry;
tomatillo; tomato (field and
greenhouse);
tree tomato
Alternaria blights and leaf
spots
(Alternaria spp.)
Black mold
(Alternaria alternata)
Early blight
(Alternaria solani)
Gray mold*
(Botrytis cinerea)
Powdery mildew
(Leveillula taurica)
Basal Stem Rot
(Sclerotium rolfsii)
Septoria leaf spot*
(Septoria
spp.)
Target spot
(Corynespora cassiicola)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7-t o 1 4 -day
interval. Use higher rate and
shorter interval when disease
pressure is high.
For disease control in
greenhouse peppers and
tomatoes, use
Fontelis at a
rate range of 0.5 - 0.75 fl oz
of product (1 -1 . 5
tablespoons) per gallon of
spray per 1360 sq ft. These
rates equal field rates of 16-
24 fl oz/acre.
Basal Stem Rot: apply initial
application as a directed
spray to the base of the
tomato plant, 5
-10 days after
transplanting. Follow with a
second application 14 days
later. Continue applications
with an effective fungicide
with a different mode of
action.
Disease suppression:
Anthracnose
(Colletotrichum spp.)
24 fl oz
(0.31 lb ai/A)
Fontelis / MSTR / Amend / 04-22-24 Page 21
Tomatoes Soil-borne Diseases
Rhizoctonia seedling blight/rot
(Rhizoctonia spp.)
Southern blight
(Sclerotium rolfsii)
1.0 - 1.6 fl oz/1000
row ft (0.013 0.021
lb ai/1000 row ft)
Make at-plant, pre-plant
incorporated, in-furrow,
transplant drench, or drip
applications. Maximum rate
per acre per application is 24
fl oz.
See soil
-borne disease
section instructions.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time from application to harvest (PHI) is 0 days. Do not exceed 72 fl oz (0.94 lb
ai)/acre per year in total from any combination of soil and foliar treatments. In New York, do not exceed 61 fl oz
(0.80 lb ai) per acre per year.
*Not for use in California
Crop/Crop Group Target Diseases Use Rate per
Acre (fl oz)
Application Instructions
Leaf Petiole Vegetable
(Crop Subgroup 22B)
Including only:
Cardoon; celery; celery,
Chinese; fuki; rhubarb; udo;
zuiki; cultivars, varieties, and/or
hybrids of these
Early Blight
(Cercospora apii)
Gray Mold*
(Botrytis
cinerea)
Late Blight
(Septoria apicola)
Powdery Mildew
(Erysiphe heraclei)
14 - 24 fl oz
(0.18 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7-t o 1 4 -day
interval. Use higher rate and
shorter interval when
disease pressure is high.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Minimum time from application to harvest (PHI) is 3 days. Do not
exceed 72 fl oz (0.94 lb ai)/acre per year. In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
*Not for use in California
Fontelis / MSTR / Amend / 04-22-24 Page 22
Crop/Crop Group Target Diseases Use Rate per Acre
(fl oz)
Application Instructions
Leafy greens
(Crop Subgroup 4-16A)
Including only:
Amaranth, Chinese;
amaranth, leafy; aster, Indian;
blackjack; cats whiskers;
cham-chwi; cham-namul;
chervil, fresh leaves; chipilin;
chrysanthemum, garland;
cilantro, fresh leaves; corn
salad; cosmos; dandelion,
leaves; dang-gwi, leaves;
dillweed; dock; dol-nam-mul;
ebolo; endive; escarole;
fameflower; feather
cockscomb; Good King
Henry; huauzontle; jute,
leaves; lettuce, bitter; lettuce,
head; lettuce, leaf; orach;
parsley, fresh leaves;
plantain, buckhorn; primrose,
English; purslane, garden;
purslane, winter; radicchio;
spinach; spinach, Malabar;
spinach, New Zealand;
spinach, tanier; Swiss chard;
violet, Chinese, leaves;
cultivars, varieties, and/or
hybrids of these
Alternaria leaf
spot*
(Alternaria sonchi)
Cercospora leaf
spot
(Cercospora spp.)
Gray mold*
(Botrytis cinerea)
Powdery mildew
(Erysiphe
cichoracearum)
Rust*
(Puccinia spp.)
Septoria leaf spot*
(Septoria spp.)
14 - 24 fl oz
(0.18 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7- to 14-day
interval. Use higher rate and
shorter interval when disease
pressure is high.
Lettuce drop
(Sclerotinia minor,
Sclerotinia
sclerotiorum)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
Celtuce
Fennel, Florence
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Minimum time from application to harvest (PHI) is 3 days. Do not
exceed 72 fl oz (0.94 lb ai)/acre per year. In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per
year.
*Not for use in California
Fontelis / MSTR / Amend / 04-22-24 Page 23
Crop/Crop Group Target Diseases Use Rate per Acre
(fl oz)
Application Instructions
Brassica leafy greens
(Crop Subgroup 4-16B)
Including only:
Arugula; broccoli, Chinese;
broccoli raab; cabbage,
abyssinian; cabbage, Chinese,
bok choy; cabbage, seakale;
collards;
cress, garden; cress,
upland; hanover salad; kale;
maca, leaves; mizuna; mustard
greens; radish, leaves; rape
greens; rocket, wild;
shepherds purse; turnip
greens; watercress†; cultivars,
varieties, and/or hybrids of
these
Alternaria, black spot, leaf
spot
(Alternaria spp.)
Gray mold*
(Botrytis cinerea)
Pin rot
(Alternaria spp.)
Powdery mildew
(Erysiphe cruciferarum,
Erysiphe polygoni)
14 - 30 fl oz
(0.18 0.39 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
-t o 1 4 -day
interval. Use higher rate and
shorter interval when disease
pressure is high.
†For applications made to
watercress, production fields
must be drained of water at
least 24 hours prior to
application and water must
not be reapplied to the field
for a minimum of 24 hours
following the application.
Sclerotinia stem rot
(Sclerotinia spp.)
16 - 30 fl oz
(0.21 0.39 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time from application to harvest (PHI) is 0 days. Do not exceed 72 fl oz (0.94 lb
ai)/acre per year. In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
*Not for use in California
Crop/ Crop Group Target Diseases Use Rate per Acre
(fl oz)
Application Instructions
Legume vegetables
and foliage
(Crop Subgroup 6A
edible podded)
Bean (Phaseolus spp.)
includes runner bean,
snap bean, wax bean;
bean (Vigna spp
.)
includes asparagus
bean, Chinese
longbean, moth bean,
yardlong bean;
jackbean; pea (Pisum
spp
.) includes dwarf
pea, edible-pod pea,
Alternaria blight, leaf
spot*
(
Alternaria spp.)
Angular leaf spot*
(Phaeoisariopsis
griseola)
Anthracnose*
(Colletotrichum
lindemuthianum)
Ascochyta blight, leaf
spot
(Ascochyta spp.)
Cercospora leaf spot*
(Cercospora spp.)
Gray mold*
(Botrytis cinerea)
Powdery mildew
14 - 30 fl oz† (0.18
0.39 lb ai/A) for
subgroups 6A and 6B:
edible podded and
succulent shelled
beans and peas
14 - 20 fl oz (0.18
0.26 lb ai/A) for
subgroup 6C: dried
shelled beans and peas
Begin applications prior to
disease development and
continue on a 7
- to 14-day
interval. Use higher rate and
shorter interval when disease
pressure is high.
For subgroup 6C: dried
shelled beans and peas: Vines
may be grazed or used for hay 0
days after application.
Fontelis / MSTR / Amend / 04-22-24 Page 24
snow pea, sugar snap
pea; pigeon pea;
soybean (immature
seed); sword bean
(Crop Subgroup 6B
succulent shelled)
Bean (Phaseolus spp.)
includes lima bean
(green); broad bean
(succulent); bean
(Vigna spp
.) includes
blackeyed pea,
cowpea, southern pea;
pea (Pisum spp.)
includes English pea,
garden pea, green pea;
pigeon pea
(Crop Subgroup 6C
dried shelled beans
and peas, except
soybeans)
Dried cultivars of bean
(Lupinus spp
.)
(includes grain lupin,
sweet lupin, white lupin,
white sweet lupin);
(Phaseolus spp
.)
(includes field bean,
kidney bean, lima bean
(dry), navy bean, pinto
bea
n); tepary bean;
bean (Vigna spp.)
(includes adzuki bean,
blackeyed pea, catjang,
cowpea, Crowder pea,
moth bean, mung bean,
rice bean, southern
pea, urd bean); broad
bean (dry); chickpea
(garbanzo); guar;
lablab bean; lentil; pea
(Pisum spp
.) (includes
field pea); pigeon pea
(Erysiphe spp.)
Rust*
(Uromyces spp.,
Phakopsora spp.)
Septoria blotch*
(Septoria spp.)
Sclerotinia rot, white
mold
(
Sclerotinia spp.)
16 30 fl oz† (0.21
0.39 lb ai/A) for
subgroups 6A and 6B:
edible podded and
succulent shelled
beans and peas
16 - 20 fl oz (0.21
0.26 lb ai/A) for
subgroup 6C: dried
shelled beans and peas
Make initial preventive
application at beginning bloom
and follow with second
application 7
-10 days later at full
bloom.
Soil-borne Diseases
Damping off, seedling
rot
(Rhizoctonia solani)
1.2 - 1.6 fl oz/1000 row
ft (0.016 0.021 lb
ai/1000 row ft)
Make at plant, pre-plant
incorporated, in-furrow,
transplant drench, or drip
applications. Maximum rate per
acre per application is 30 fl oz for
Crop Groups 6A and
6B, 20 fl oz
for Crop Group C.
See soil-borne disease section
instructions.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action.
†Do not apply more than 20 fl oz per acre, or more than 41 fl oz per acre per year to lima bean, blackeyed
pea, cowpea, moth bean, southern pea, and pigeon pea, if the crop will be subsequently dried.
For subgroups 6A and 6B: edible podded and succulent shelled beans and peas: Minimum time from
application to harvest (PHI) is 0 days. Do not exceed 72 fl oz (0.94 lb ai)/acre per year. In New York, do not
exceed 61 fl oz (0.80 lb ai) per acre per year.
For subgroup 6C: dried shelled beans and peas: Minimum time (PHI) between application and harvest of
seed is 21 days. Do not exceed 41 fl oz (0.53 lb ai)/acre per year in total from any combination of soil and foliar
Fontelis / MSTR / Amend / 04-22-24 Page 25
treatments.
*Not for use in California
Crop/Crop Group Target Diseases Use Rate per Acre (fl oz) Application Instructions
Lettuce, greenhouse Alternaria leaf spot*
(Alternaria sonchi)
Cercospora leaf spot
(Cercospora spp.)
Early blight
(Cercospora apii)
Gray mold*
(Botrytis cinerea)
Late blight
(Septoria apicola)
Powdery mildew
(Erysiphe cichoracearum)
Rust*
(Puccinia
spp.)
Septoria leaf spot*
(Septoria spp.)
14 - 24 fl oz
(0.18 0.31 lb ai/A)
Begin applications prior to disease
development and continue on a 7-
to 14-day interval. Use higher rate
and shorter interval when disease
pressure is high.
Lettuce drop
(Sclerotinia minor,
Sclerotinia sclerotiorum)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Minimum time from application to harvest (PHI) is 3 days. Do not make
more than 3 applications per year at the high rate. Do not exceed 72 fl oz (0.94 lb ai)/acre per year. In New York,
do not exceed 61 fl oz (0.80 lb ai) per acre per year.
*Not for use in California
Fontelis / MSTR / Amend / 04-22-24 Page 26
Oil Seeds*, including: Canola, Cotton, and Sunflower
Use directions for specific crops are provided below.
Crop/Crop Group Target Disease
Use Rate per Acre
(fl oz) Application
Instructions
*Canola varieties
(rapeseed); borage;
crambe; cuphea; echium;
flax seed; gold of
pleasure; hare's ear
mustard; lesquerella;
lunaria; meadowfoam;
milkweed; mustard seed;
oil radish; poppy seed;
sesame; sweet rocket;
cultivars, varieties, and/or
hybrids of these
Alternaria blackspot
(Alternaria spp.)
14 - 20 fl oz
(0.18 0.26 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
-t o 1 4 -day
interval. Use higher rate and
shorter interval when disease
pressure is high.
Sclerotinia stem rot: Begin
application at 20
-50% bloom
prior to disease development
and continue on a 7-t o 1 4-
day interval. Use higher rate
and shorter interval when
disease pressure is high.
Sclerotinia stem rot,
white mold (Sclerotinia
spp.)
16 - 20 fl oz
(0.21 0.26 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Minimum time (PHI) between application and harvest is 21 days. Do
not exceed 41 fl oz (0.53 lb ai)/acre per year.
Crop/Crop Group Target Diseases Use Rate per Acre (fl oz) Application Instructions
*Cotton; cultivars,
varieties, and/or hybrids
of these
Boll Rot
(Diplodia, Fusarium)
Foliar disease complex
Alternaria leaf and stem
spots
(Alternaria spp.)
Cercospora leaf spot
(Cercospora spp.)
Stemphylium leaf spot
(Stemphylium spp.)
Hardlock
(Fusarium spp.)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7-t o 1 4 -day
interval. Use higher rate and
shorter interval when disease
pressure is high.
Soil-borne diseases
Seedling and root rot
(Rhizoctonia solani
)
0.7 - 1.6 fl oz/
1000 row ft (0.009 0.021 lb
ai/1000 row ft)
At-plant, in-furrow application.
Maximum rate per acre per
application is 24 fl oz.
See soil-borne disease section
instructions.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time (PHI) between application and harvest is 21 days. Do not exceed 72 fl oz
(0.94 lb ai)/acre per year. In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
Crop/Crop Group Target Diseases Use Rate per Acre (fl oz) Application Instructions
Fontelis / MSTR / Amend / 04-22-24 Page 27
*Sunflower; calendula;
castor oil plant; Chinese
tallowtree; euphorbia;
evening primrose; jojoba;
niger seed; rose hip;
safflower; stokes aster;
tallowwood; tea oil plant;
vernonia; cultivars,
varieties, and/or hybrids
of these
Alternaria leaf spot
(Alternaria spp.)
Powdery mildew
(Erysiphe cichoracearum)
Rust
(Puccinia helianthi,
Uromyces spp.)
Septoria leaf spot
(Septoria spp.)
10 - 30 fl oz
(0.13 0.39 lb ai/A)
Begin applications prior to
disease development and
continue on a 7-t o 1 4 -day
interval. Use higher rate and
shorter interval when disease
pressure is high.
Sclerotinia stem rot
(Sclerotinia spp.)
16 - 30 fl oz
(0.21 0.39 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time (PHI) between application and harvest is 14 days. Do not exceed 61 fl oz
(0.80 lb ai)/acre per year.
*Not for use in California
Crop/Crop Group Target
Diseases
Use Rate per Acre (fl oz)
Application
Instructions
Peanut* Alternaria leaf spot
(Alternaria spp.)
Early leaf spot
(Cercospora
arachidicola)
Late leaf spot
(Cercosporidium
personatum)
Leaf scorch
(Leptosphaerulina
crassiaca)
Pepper spot
(Leptosphaerulina
crassiaca)
Rhizoctonia pod and stem
blight, limb rot
(Rhizoctonia solani)
Rust
(Puccinia arachidis)
Southern stem rot, blight,
white mold
(Sclerotium rolfsii)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 14-t o 2 1 -day
interval. Use higher rate and
shorter interval when disease
pressure is high.
Sclerotinia blight
(Sclerotinia spp.)
Web blotch
(Phoma arachidicola)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
Disease suppression
Cylindrocladium black rot
(Cylindrocladium
crotalariae)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
Fontelis / MSTR / Amend / 04-22-24 Page 28
Soil-borne Diseases
Damping off, seedling rot
(Rhizoctonia solani)
1.2 - 1.6 fl oz/ 1000 row ft
(0.016 - 0.021 lb ai/1000 row
ft)
Make at plant, pre-plant
incorporated, in-furrow,
transplant drench, or drip
applications. Maximum rate
per acre per application is 24
fl oz.
See soil
-borne disease
section instructions.
RESTRICTIONS: Make no more than 3 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Minimum time from application to harvest (PHI) is 14 days. Do not
exceed 72 fl oz (0.94 lb ai)/acre per year. In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
*Not for use in California
Crop/Crop Group Target Diseases Use Rate per
Acre (fl oz)
Application Instructions
Pome Fruit
(Crop Group 11-10)
Including only:
Apple; azarole;
crabapple; loquat;
mayhaw; medlar; pear;
pear, Asian; quince;
quince, Chinese; quince,
Japanese; tejocote;
cultivars, varieties and/or
hybrids
of these
Alternaria leaf spots*
(Alternaria spp.)
Scab, apple or pear
(Venturia inaequalis
(apple),
Venturia pirina (pear))
Powdery mildew
(Podosphaera
leucotricha)
Rusts*
(Gymnosporangium spp.)
16 - 20 fl oz
(0.21 0.26 lb ai/A)
Begin applications prior to
disease development and
continue on a 7-t o 2 1 - d a y
interval. Use higher rate and
shorter interval when disease
pressure is high.
Application interval for scab is 7
to 10 days. For apple scab, a
reliable disease forecasting
system should be used.
NOTE: Do NOT tank-mix
Fontelis with thinning agents.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time from application to harvest (PHI) is 28 days. Do not exceed 61 fl oz (0.80 lb
ai)/acre per year.
*Not for use in California
Fontelis / MSTR / Amend / 04-22-24 Page 29
Crop/Crop Group Target
Diseases
Use Rate per Acre (fl oz)
Application
Instructions
Root Vegetables and
Leaves
(Except Sugar Beet)
(Crop Subgroup 1B and
Crop Group 2)
Beet, garden;
burdock, edible; carrot;
celeriac; chervil, turnip-
rooted; chicory; ginseng;
horseradish; parsley,
turnip
-rooted; parsnip;
radish; radish, oriental;
rutabaga; salsify; salsify,
black; salsify, Spanish;
skirret; turnip
Alternaria leaf spot,
blight and brown spot
(Alternaria spp.)
Cercospora leaf spot
(Cercospora spp.)
Cylindrocarpon root rot
(Cylindrocarpon
destructans)
Gray mold*
(Botrytis cinerea)
Powdery mildew
(Erysiphe spp.)
Southern blight*
(Sclerotium rolfsii)
Rust*
(Uromyces spp.)
White mold*
(Sclerotinia spp.)
16 - 30 fl oz
(0.21 0.39 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
-t o 1 4 -day
interval. Use higher rate and
shorter interval when
disease pressure is high.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Minimum time from application to harvest (PHI) is 0 days. Do not
exceed 61 fl oz (0.80 lb ai)/acre per year.
*Not for use in California
Fontelis / MSTR / Amend / 04-22-24 Page 30
Crop/Crop Group Target Diseases Use Rate per Acre
(fl oz)
Application Instructions
Soybean* Anthracnose
(Colletotrichum
truncatum)
Alternaria leaf spot
(Alternaria spp.)
Brown Spot
(Septoria glycines)
Cercospora blight and
leaf spot
(Cercospora kikuchii)
Frogeye leaf spot
(Cercospora sojina)
Pod and stem blight
(Diaporthe phaseolum)
Rust
(Puccinia
spp.,
Phakospora spp.)
Target Spot
(Corynespora
cassiicola)
10 - 30 fl oz
(0.13 0.39 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
-t o 1 4 -day
interval. Use higher rate and
shorter interval when disease
pressure is high.
For white mold: make initial
preventive application at
100% bloom (1 flower
blooming on all plants) and
follow with 2nd application 7-
10 days later at full bloom.
Sclerotinia stem rot
(white mold)
(Sclerotinia
sclerotiorum)
16 - 30 fl oz
(0.21 0.39 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Do not use soybean forage or hay for livestock feed. Minimum time (PHI) between
application and harvest of seed is 14 days. Do not exceed 61 fl oz (0.80 lb a i)/acre per year.
*Not for use in California
Fontelis / MSTR / Amend / 04-22-24 Page 31
Crop/Crop Group Target Diseases Use Rate per Acre (fl oz) Application Instructions
Stone Fruit
(Crop Group 12-12)
Including only:
Apricot; apricot, Japanese;
capulin; cherry, black;
cherry, Nanking; cherry,
sweet; cherry, tart; jujube,
Chinese; nectarine; peach;
plum; plum, American; plum,
beach; plum, Canada; plum,
cherry; plum, Chickasaw;
plum, Damson; plum,
Japanese; plum, Klamath;
plumcot; plum, prune; sloe;
cultivars, varieties, and/or
hybrids of these
Alternaria rot*
(Alternaria spp.)
Botrytis rots
(Botrytis cinerea)
Brown rot blossom
blight and fruit rot
(Monilinia spp.)
Green fruit rot*
(Sclerotinia
sclerotiorum)
Powdery mildew
(Podosphaera
clandestina,
Sphaerotheca
pannosa
)
Rust
(Tranzschelia discolor)
Scab
(Cladosporium
carpophilum)
Shot hole
(Wilsonomyces
carpophilus)
14 - 20 fl oz
(0.18 0.26 lb ai/A)
Begin applications prior to
disease development and
continue on a 7-t o 1 4 -day
interval. Use higher rate and
shorter interval when disease
pressure is high.
Disease
Suppression:
Cherry leaf spot*
(Blumeriella jaapii)
14 - 20 fl oz
(0.18 0.26 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time from application to harvest (PHI) is 0 days. Do not exceed 61 fl oz (0.80 lb
ai)/acre per year.
*Not for use in California
Fontelis / MSTR / Amend / 04-22-24 Page 32
Crop/Crop Group Target Diseases Use Rate per Acre
(fl oz)
Application Instructions
Sugar beet* Cercospora leaf spot
(Cercospora beticola)
Powdery mildew
(Erysiphe betae)
Rust
(Uromyces betae)
14 - 30 fl oz
(0.18 0.39 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
-t o 1 4 -day
interval. Use higher rate and
shorter interval when disease
pressure is high.
Soil-borne diseases
(Rhizoctonia spp.)
0.7 1.6 fl oz/1000 row ft
(0.009 0.021 lb ai/1000 row
ft)
At-plant, in-furrow
application. Maximum rate
per acre per application is 30
fl oz.
See soil
-borne disease
section instructions.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Sugar beet tops may be used for grazing or forage 0 days after the last
application. Minimum time (PHI) between application and harvest is 7 days. Do not exceed 61 fl oz (0.80 lb ai) of
Fontelis/acre per year.
Do not use Fontelis fungicide for an in-furrow application when penthiopyrad has been applied as a seed
treatment for sugar beets. Do not apply more than two in-season foliar sugar beet applications of Fontelis at the
maximum single application rate when penthiopyrad has been used as a seed treatment for sugar beets. Do not
apply more than 12.7 oz of penthiopyrad ai/acre/year to sugar beets in total from any combination of seed, soil, or
foliar treatments.
*Not for use in California
Fontelis / MSTR / Amend / 04-22-24 Page 33
Crop/Crop Group Target Diseases
Use Rate per Acre
(fl oz) Application Instructions
Tree Nuts
(Crop Group 14-12)
Including only:
African nut-tree; almond;
beechnut; Brazil nut; Brazilian
pine; bunya; bur oak;
butternut; cajou nut; candlenut;
cashew; chestnut; chinquapin;
coconut; coquito nut; dika nut;
ginkgo; Guiana chestnut;
hazelnut (filbert); heartnut;
hickory nut; Japanese horse-
chestnut; macadamia nut;
mongongo nut; monkey-pot;
monkey puzzle nut; okari nut;
pachira nut; peach palm nut;
pecan;
pequi; pili nut; pine nut;
pistachio; sapucaia nut;
tropical almond; walnut, black;
walnut, English; yellowhorn;
cultivars,
varieties, and/or
hybrids of these
Alternaria leaf spot, blight
(Alternaria spp.)
Anthracnose
(Colletotrichum spp.)
Brown rot blossom blight and
fruit rot, green fruit rot (jacket
rot)
(Monilinia
spp.)
Botrytis rots, blights, green
fruit rot
(jacket rot)
(Botrytis cinerea
)
Panicle and shoot blight
(Botryosphaeria dothidea)
Powdery mildew
(Podosphaera tridactyla var.
tridactyla,
Sphaerotheca
pannosa, Phyllactinia
angulate, Phyllactinia guttata
f. sp. Coryli, Microsphaera
spp., Oidium spp.)
Rust
(Tranzschelia discolor,
Uromyces spp.,
Pucciniastrum coryli)
Sclerotinia shoot blight,
green fruit rot (jacket rot)*
(Sclerotinia sclerotiorum)
Seedling blight*
(Rhizoctonia solani
)
Septoria leaf spot*
(Septoria spp.)
Shot-hole
(Wilsonomyces carpophilus)
14 20 fl oz
(0.18 0.26 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
-t o 1 4 -day
interval. Use higher rate and
shorter interval when disease
pressure is high.
Disease Suppression:
Scab (Cladosporium
carpophilum)
14 - 20 fl oz
(0.18 0.26 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Minimum time from application to harvest (PHI) is 14 days. Do not
exceed 61 fl oz (0.80 lb ai)/acre per year.
*Not for use in California
Fontelis / MSTR / Amend / 04-22-24 Page 34
Crop/Crop Group Target Diseases Use Rate per Acre
(fl oz)
Application Instructions
Tuberous and corm
vegetables and
leaves, including
only:
Potato; Arracacha;
arrowroot; artichoke,
Chinese; artichoke,
Jerusalem; canna,
edible; cassava, bitter
and sweet; chayote
(root); chufa; dasheen
(taro); ginger; leren;
sweet potato; tanier;
turmeric; yam bean;
yam, true
Alternaria early blight
and brown spot
(Alternaria solani,
Alternaria alternata)
Gray mold
(Botrytis cinerea)
Powdery mildew
(Erysiphe spp.)
10 - 24 fl oz
(0.13 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
- to 14-day
interval. Use higher rate and
shorter interval when disease
pressure is high.
Black dot
(Colletotrichum
coccodes)
14 - 24 fl oz
(0.18 0.31 lb ai/A)
Disease suppression
White mold
(Sclerotinia
sclerotiorum)
14 - 24 fl oz
(0.18 0.31 lb ai/A)
Make initial application at 100%
full bloom of the primary
inflorescence, or prior to row
closure, and then again 14 days
later.
Soil-borne diseases
Rhizoctonia stem
canker and black scurf
(Rhizoctonia solani)
0.7 - 1.6 fl oz/1000 row
ft (0.009 0.021 lb
ai/1000 row ft)
At-plant, in-furrow application.
Maximum rate per acre per
application is 24 fl oz.
See soil-borne disease section
instructions.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with
a different mode of action. Minimum time (PHI) between application and harvest is 7 days. Do not exceed 72 fl
oz (0.94 lb ai) of Fontelis/acre per year. In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
Do not use Fontelis fungicide for an in-furrow application when penthiopyrad has been applied as a seed piece
treatment for potatoes. Do not apply more than two in-season foliar potato applications of Fontelis at the
maximum single application rate when penthiopyrad has been used as a seed piece treatment for potatoes. Do
not apply more than 15 oz of penthiopyrad ai/acre/year to potatoes in total from any combination of seed, soil,
or foliar treatments.
Specific Restrictions for Use in New York State
Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a different mode of
action. Minimum time (PHI) between application and harvest is 7 days. Do not exceed 61 fl oz (0.80 lb ai) of
Fontelis/acre per year.
Do not use Fontelis fungicide for an in-furrow application when penthiopyrad has been applied as a seed piece
treatment for potatoes. Do not apply more than one in-season foliar potato application of Fontelis at the
maximum single application rate when penthiopyrad has been used as a seed piece treatment for potatoes. Do
not apply more than 10 oz of penthiopyrad ai/acre/year to potatoes in total from any combination of seed, soil,
or foliar treatments.
Fontelis / MSTR / Amend / 04-22-24 Page 35
Fontelis Application Rate Conversion Table
Single Application
Fontelis Product (Fl Oz) Penthiopyrad AI (Lb)
12 0.16
14 0.18
16 0.21
20 0.26
24 0.31
30 0.39
Annual Maximum
Fontelis Product (Fl Oz) Penthiopyrad AI (Lb)
41 0.53
48 0.63
61 0.80
67* 0.87*
72* 0.94*
*In New York, do not exceed 61 fl oz (0.80 lb ai) per acre
per year.
Chemigation
Apply Fontelis fungicide only through drip (trickle) or strip tubing irrigation systems and sprinkler irrigation
systems (such as center pivot, lateral move, end tow, side (wheel) roll, traveler, big gun, solid set or hand
move irrigation systems).
Crop injury, lack of effectiveness, or illegal pesticide residues in the crop can result from non-uniform
distribution of treated water. If you have questions about calibration, you should contact your State
Extension Service Specialists, equipment manufacturers or other experts.
Do not connect an irrigation system (including greenhouse systems) used for pesticide application to a
public water system unless the pesticide label-prescribed safety devices for public water systems are in
place. Public water system means a system for the provision to the public of piped water for human
consumption if such system has at least 15 service connections or regularly serves an average of at least
25 individuals daily at least 60 days out of the year.
A person knowledgeable of the chemigation system and responsible for its operation, or under the
supervision of the responsible person, shall shut the system down and make necessary adjustments
should the need arise.
Application Instructions
Specific Instructions for Public Water Systems:
1. Public water system means a system for the provision to the public of piped water for human
consumption if such system has at least 15 service connections or regularly serves an
average of at least 25 individuals daily at least 60 days out of the year.
2. Chemigation systems connected to public water systems must contain a functional, reduced-
pressure zone, backflow preventer (RPZ) or the functional equivalent in the water supply line
upstream from the point of pesticide introduction. As an option to the RPZ, the water from the
public water system should be discharged into a reservoir tank prior to pesticide introduction.
Fontelis / MSTR / Amend / 04-22-24 Page 36
There shall be a complete physical break (air gap) between the outlet end of the fill pipe and
the top or overflow rim of the reservoir tank of at least twice the inside diameter of the fill pipe.
3. The pesticide injection pipeline must contai n a functional, automatic, quick-closing check
valve to prevent the flow of fluid back toward the injection pump.
4. The pesticide injection pipeline must contain a functional, normally closed, solenoid-operated
valve located on the intake side of the injection pump and connected to the system interlock
to prevent fluid from being withdrawn from the supply tank when the irrigation system is either
automatically or manually shut down.
5. The system must contain functional interlo cking controls to automatically shut off the
pesticide injection pump when the water pump motor stops, or in cases where there is no
water pump, when the water pressure decreases to the point where pesticide distribution is
adversely affected.
6. Systems must use a metering pump, such as a positive displacement injection pump (e.g.,
diaphragm pump) effectively designed and constructed of materials that are compatible with
pesticides and capable of being fitted with a system interlock.
7. Do not apply when wind speed favors dri ft beyond the area intended for treatment.
Specific Instructions for Sprinkler Irrigation Systems:
1. The system must contain a functional check valve, vacuum relief valve, and low pressure
drain appropriately located on the irrigation pipeline to prevent water source contamination
from backflow.
2. The pesticide injection pipeline must contai n a functional, automatic, quick-closing check
valve to prevent the flow of fluid back toward the injection pump.
3. The pesticide injection pipeline must also contain a functional, normally closed, solenoid-
operated valve located on the intake side of the injection pump and connected to the system
interlock to prevent fluid from being withdrawn from the supply tank when the irrigation
system is either automatically or manually shut down.
4. The system must contain functional interlo cking controls to automatically shut off the
pesticide injection pump when the water pump motor stops.
5. The irrigation line or water pu mp must include a functional pressure switch which will stop the
water pump motor when the water pressure decreases to the point where pesticide
distribution is adversely affected.
6. Systems must use a metering pump, such as a positive displacement injection pump (e.g.,
diaphragm pump) effectively designed and constructed of materials that are compatible with
pesticides and capable of being fitted with a system interlock.
7. Do not apply when wind speed favors drift beyond the area intended for treatment.
8. Continuous, good agitation is required in the injection tank.
9. In moving systems, apply specified dosage of Fontelis fungicide as a continuous injection. In
nonmoving systems inject Fontelis for 15 to 30 minutes at end of cycle. Use the least amount of
water possible consistent with uniform coverage.
10. Mix the amount of Fontelis needed for acreage to be treated into the quantity of water
determined during prior calibration. For moving systems inject into the system continuously
for one complete revolution of the field. For nonmoving systems inject into system for the time
established during calibration.
11. Stop injection equipment after treatment is completed and continue to operate irrigation
equipment until all Fontelis is flushed from system.
Fontelis / MSTR / Amend / 04-22-24 Page 37
Drip (Trickle)
Fontelis must be applied in a manner that ensures the product is in the root zone. Fontelis must be in the
root zone to provide effective control of target pests. Fontelis is most effective when it is applied so that
the roots are at or near the site of application; manage irrigation so that significant quantities of Fontelis
remain in the root zone.
1. Do not begin applications until after cr op emergence in direct seeded crops.
2. Do not make applications if soil moisture is below the level required for active plant growth.
3. This product must be applied uniformly in the root zone or poor performance may result. Drip
tape or emitters must be located within or directly adjacent to the root zone.
4. The drip system must be properly designed, free of leaks, and operated in a manner that
provides uniform application of water throughout the field.
5. In most situations, this product should be applied during the first 1/3 of the irrigation cycle,
starting just after the system has come up to pressure.
6. The minimum injection period is the time that it takes water to move from the injection point to
the furthest emitter in the irrigation zone (propagation time). If this time is not known, it can be
calculated by measuring the time for a soluble dye to move from the injection point to the
farthest emitter. A longer injection improves uniformity throughout the zone, but needs to
allow for at least an equal period of water to flush the system and move the product through
the soil.
7. Fontelis must not be applied at the same time that a drip irrigation line clean out product is
being used as performance may be reduced.
8. The system must contain a functional check valve, vacuum relief valve, and low pressure drain
appropriately located on the irrigation pipeline to prevent water source contamination from back
flow.
9. The pesticide injection pipeline must contai n a functional, automatic, quick-closing check
valve to prevent the flow of fluid back toward the injection pump.
10. The pesticide injection pipeline must also contain a functional, normally closed, solenoid-operated
valve located on the intake side of the injection pump and connected to the system interlock to prevent
fluid from being withdrawn from the supply tank when the irrigation system is either automatically or
manually shut down.
11. The system must contain functional interlo cking controls to automatically shut off the
pesticide injection pump when the water pump motor stops.
12. The irrigation line or water pu mp must include a functional pressure switch which will stop the
water pump motor when the water pressure decreases to the point where pesticide
distribution is adversely affected.
13. Systems must use a metering pump, such as a positive displacement injection pump (e.g.,
diaphragm pump) effectively designed and constructed of materials that are compatible with
pesticides and capable of being fitted with a system interlock.
14. Do not apply when wind speed favors drift beyond the area intended for treatment.
15. Continuous, good agitation is required in the injection tank.
16. Mix the amount of Fontelis needed for the ac reage to be treated into the quantity of water
determined during prior calibration.
17. Stop injection equipment after treatment is completed and continue to operate irrigation
equipment until all Fontelis is flushed from system.
Fontelis / MSTR / Amend / 04-22-24 Page 38
SPRAY DRIFT MANAGEMENT
Aerial Applications:
x Do not release spray at a height greater than 10 ft above the vegetative canopy, unless a
greater application height is necessary for pilot safety.
x For all applications, applicators are required to use a medium or coarser spray droplet size
(ASABE S572.1).
x The boom le ngth must not exceed 65% of the wingspan for airplanes or 75% of the rotor blade
diameter for helicopters.
x Applicators must use ½ swath displacement up wind at the downwind edge of the field.
x Nozzles must be oriented so the spray is directed toward the back of the aircraft.
x Do not apply when wind speeds exceed 10 miles per hour at the application site.
x Do not apply during temperature inversions.
Ground Applications:
x Apply with the nozzle height recommended by the manufacturer, but no more than 3 feet
above the ground or crop canopy.
x For all applications, applicators are required to use a medium or coarser spray droplet size
(ASABE S572.1).
x Do not apply when wind speeds exceed 10 miles per hour at the application site.
x Do not apply during temperature inversions.
Boom-less Ground Applications:
x Applicators are required to use a medium or coarser droplet size (ASABE S572.1) for all
applications.
x Do not apply when wind speeds exceed 10 miles per hour at the application site.
x Do not apply during temperature inversions.
SPRAY DRIFT ADVISORIES
The interaction of many equipment and weather-related factors determines the potential for spray drift.
The applicator is responsible for considering all these factors when making application decisions.
AVOIDING SPRAY DRIFT IS THE RESPONSIBILITY OF THE APPLICATOR.
IMPORTANCE OF DROPLET SIZE
The most effective drift management strategy is to apply the largest droplets which are consistent with
pest control objectives. The presence of sensitive species nearby, the environmental conditions, and pest
pressure may affect how an applicator balances drift control and coverage. Applying larger droplets
reduces drift potential, but will not prevent drift if applications are made improperly or under unfavorable
environmental conditions.
A droplet size classification system describes the range of droplet sizes produced by spray nozzles. The
American Society of Agricultural and Biological Engineers (ASABE) provide a Standard that describes
droplet size spectrum categories defined by a number of reference nozzles (fine, coarse, etc.). Droplet
spectra resulting from the use of a specific nozzle may also be described in terms of volume mean
diameter (VMD). Coarser droplet size spectra have larger VMDs and lower drift potential.
CONTROLLING DROPLET SIZE - GROUND APPLICATION
x Nozzle Type - Select a nozzle type that is designed for the intended application. With most nozzle
types, narrower spray angles produce larger droplets. The use of low-drift nozzles will reduce drift
Fontelis / MSTR / Amend / 04-22-24 Page 39
potential.
x Pressure - The lowest spray pressures recommended for the nozzle produce the largest droplets.
Higher pressure reduces droplet size and does not improve canopy penetration. When higher flow
rates are needed, using a higher-capacity nozzle instead of increasing pressure results in the
coarsest droplet spectrum.
x Flow Rate/Orifice Size - Using the highest flow rate nozzles (largest orifice) that are consistent
with pest control objectives reduces the potential for spray drift. Nozzles with higher rated flows
produce coarser or more coarse droplet spectra.
CONTROLLING DROPLET SIZE AIRCRAFT
x Nozzle Type - Solid stream, or other low drift nozzles produce the coarsest droplet spectra.
x Number of Nozzles - Using the minimum number of nozzles with the highest flow rate that
provide uniform coverage will produce a coarser droplet spectrum.
x Nozzle Orientation - Orienting nozzles in a manner that minimizes the effects of air shear will
produce the coarsest droplet spectra. For some nozzles such as solid stream, pointing the nozzles
straight back parallel to the airstream will produce a coarser droplet spectrum than other orientations.
x Pressure Selecting the pressure that produces the coarsest droplet spectrum for a particular
nozzle and airspeed reduces spray drift potential. For some nozzle types such as solid streams, lower
pressures can produce finer droplet spectra and increase drift potential.
BOOM LENGTH (AIRCRAFT), AND APPLICATION HEIGHT
x Boom Length (aircraft) - Using shorter booms decreases drift potential. Boom lengths are
expressed as a percentage of an aircrafts wingspan or a helicopters rotor blade diameter. Shorter
boom length and proper positioning can minimize drift caused by wingtip or rotor vortices.
x Application Height (aircraft) - Applications made at the lowest height that are consistent with
pest control objectives and the safe operation of the aircraft will reduce the potential for spray drift.
x Application Height (ground) - Applications made at the lowest height consistent with pest
control objectives, and that allow the applicator to keep the boom level with the application site and
minimize bounce, will reduce the exposure of spray droplets to evaporation and wind, and reduce
spray drift potential.
WIND
Drift potential is lowest when applications are made in light to gentle sustained winds (2-10 mph), which
are blowing in a constant direction. Many factors, including droplet size and equipment type also
determine drift potential at any given wind speed. AVOID GUSTY OR WINDLESS CONDITIONS. Local
terrain can also influence wind patterns. Every applicator is expected to be familiar with local wind
patterns and how they affect spray drift.
TEMPERATURE AND HUMIDITY
Setting up equipment to produce larger droplets to compensate for droplet evaporation can reduce spray
drift potential. Droplet evaporation is most severe when conditions are both hot and dry.
SURFACE TEMPERATURE INVERSIONS
Drift potential is high during a surface temperature inversion. Surface inversions restrict vertical air mixing,
which may cause small, suspended droplets to remain close to the ground and move laterally in a
concentrated cloud. Surface inversions are characterized by increasing temperature with altitude and are
common on nights with limited cloud cover and light to no wind. They begin to form as the sun sets and
often continue into the morning. Mist or fog may indicate the presence of an inversion in humid areas.
Inversions may also be identified by producing smoke and observing its behavior. Smoke that remains
close to the ground, or moves laterally in a concentrated cloud under low wind conditions indicates a
surface inversion. Smoke that moves upward and rapidly dissipates indicates good vertical air mixing.
SHIELDED SPRAYERS
Shielding the boom or individual nozzles can reduce the effects of wind. However, it is the responsibility
Fontelis / MSTR / Amend / 04-22-24 Page 40
of the applicator to verify that the shields are minimizing drift potential, and not interfering with uniform
deposition of the product.
AIR ASSISTED (AIR BLAST) FIELD CROP SPRAYERS
Air assisted field crop sprayers carry droplets to the target via a downward directed air stream. Some may
reduce the potential for drift, but if a sprayer is unsuitable for the application and/or set up improperly,
high drift potential can result. It is the responsibility of the applicator to determine that a sprayer is suitable
for the intended application, that it is configured properly, and that drift potential has been minimized.
Note: Air assisted field sprayers can affect product performance by affecting spray coverage and canopy
penetration. Read the specific crop use and application equipment instructions to determine if an air
assisted field crop sprayer can be used.
SENSITIVE AREAS
Apply pesticide only when the potential for drift to adjacent sensitive areas (e.g., residential areas, bodies
of water, known habitat for threatened or endangered species, non-target crops) is minimal (e.g., when
wind is blowing away from the sensitive areas).
DRIFT CONTROL ADDITIVES
Using product compatible drift control additives can reduce drift potential. When a drift control additive is
used, read and carefully observe cautionary statements and all other information on the additives label. If
using an additive that increases viscosity, ensure that the nozzles and other application equipment will
function properly with a viscous spray solution. Preferred drift control additives have been certified by the
Council of Producers and Distributors of Agrotechnology.
Terms and Conditions of Use
If terms of the following Warranty Disclaimer, Inherent Risks of Use, and Limitation of Remedies are not
acceptable, return unopened package at once to the seller for a full refund of purchase price paid. To the
extent consistent with applicable law, use by the buyer or any other user constitutes acceptance of the
terms under Warranty Disclaimer, Inherent Risks of Use and Limitations of Remedies.
Warranty Disclaimer
Corteva Agriscience warrants that this product conforms to the chemical description on the label and is
reasonably fit for the purposes stated on the label when used in strict accordance with the directions for
use, subject to the inherent risks set forth below. To the extent consistent with applicable law, Corteva
Agriscience MAKES NO OTHER EXPRESS OR IMPLIED WARRANTY OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE OR ANY OTHER EXPRESS OR IMPLIED WARRANTY.
Inherent Risks of Use
It is impossible to eliminate all risks associated with use of this product. Crop injury, lack of performance,
or other unintended consequences may result because of such factors as use of the product contrary to
label instructions (including conditions noted on the label, such as unfavorable temperatures, soil
conditions, etc.), abnormal conditions (such as excessive rainfall, drought, tornadoes, hurricanes),
presence of other materials, the manner of application or other factors, all of which are beyond the control
of Corteva Agriscience or the seller. To the extent consistent with applicable law, Corteva Agriscience will
not be responsible for losses or damages resulting from the use of this product in any manner not
specifically directed by Corteva Agriscience. To the extent consistent with applicable law, all such risks
associated with non-directed use shall be assumed by buyer and/or user.
Limitation of Remedies
To the extent consistent with applicable law, the exclusive remedy for losses or damages resulting from
this product (including claims based on contract, negligence, tort, strict liability, or other legal theories),
shall be limited to, at Corteva Agrisciences election, one of the following:
1. Refund of purchase price paid by buyer or user for product bought, or
Fontelis / MSTR / Amend / 04-22-24 Page 41
2. Replacement of amount of product used.
To the extent consistent with applicable law, Corteva Agriscience shall not be liable for losses or
damages resulting from handling or use of this product unless Corteva Agriscience is promptly notified of
such loss or damage in writing. To the extent consistent with applicable law, in no case shall Corteva
Agriscience be liable for consequential, incidental or special damages or losses.
The terms of the Warranty Disclaimer, Inherent Risks of Use, and Limitation of Remedies cannot be
varied by any written or verbal statements or agreements. No employee or sales agent of Corteva
Agriscience or the seller is authorized to vary or exceed the terms of the Warranty Disclaimer or this
Limitation of Remedies in any manner.
™® Trademarks of Corteva Agriscience and its affiliated companies
EPA accepted __/__/__
Fontelis / MSTR / Amend / 04-22-24 Page 42
(Base label)
Fontelis®
[Alternate Brand Name: DuPont™ Fontelis®]
FUNGICIDE
Suspension Concentrate
Active Ingredient By Weight
Penthiopyrad 20.4%
Other Ingredients 79.6%
TOTAL 100.0%
Contains 1.67 pounds of penthiopyrad per gallon of product.
Keep Out of Reach of Children
CAUTION
Si usted no entiende la etiqueta, busque a alguien para que se la explique a usted en detalle. (If you do
not understand the label, find someone to explain it to you in detail.)
First Aid
IF SWALLOWED: Call a poison control center or doctor immediately for treatment advice. Have
person sip a glass of water if able to swallow. Do not induce vomiting unless told to by a poison control
center or doctor. Do not give anything by mouth to an unconscious person.
Have the product container or label with you when calling a poison control center or doctor, or going for
treatment. You may also contact 1-800-992-5994 for emergency medical treatment information.
Precautionary Statements
Hazards to Humans and Domestic Animals
Prolonged or frequently repeated skin contact may cause allergic reactions in some individuals.
May be harmful if swallowed. Wash thoroughly with soap and water after handling and before
eating, drinking, chewing gum, using tobacco, or using the toilet.
Personal Protective Equipment (PPE)
Mixers, loaders, applicators, and other handlers must wear:
- Long-sleeved shirt
- Long pants
- Shoes and socks
See engineering control statements for additional requirements.
Follow the manufacturers instructions for cleaning/maintaining PPE. If no such instructions for washables
exist, use detergent and hot water. Keep and wash PPE separately from other laundry.
PENTHIOPYRAD GROUP 7 FUNGICIDE
Fontelis / MSTR / Amend / 04-22-24 Page 43
Engineering Control Statements
When handlers use closed systems, enclosed cabs, or aircraft in a manner that meets the requirements
listed in the Worker Protection Standard (WPS) for agricultural pesticides [40 CFR 170.240(d)(4-6)], the
handler PPE requirements may be reduced or modified as specified in the WPS.
User Safety Recommendations
Users should:
x Wash hands before eating, dr inking, chewing gum, using tobacco, or using the toilet.
x Remove clothing/PPE immediately if pesticide gets inside. Then wash thoroughly and put on
clean clothing.
x Remove PPE immediately after handling this product. Wash the outside of gloves before
removing. As soon as possible, wash thoroughly and change into clean clothing.
ENVIRONMENTAL HAZARDS
This product is toxic to fish, aquatic invertebrates, and oysters. For terrestrial uses: Do not apply directly
to water, or to areas where surface water is present or to intertidal areas below the mean high water
mark. Do not contaminate water when disposing of equipment washwater or rinsate. Drift and runoff may
be hazardous to aquatic organisms in water adjacent to treated areas.
Surface Water Advisory: This product may impact surface water quality due to runoff of rain water. This
is especially true for poorly draining soils and soils with shallow ground water. This product is classified as
having high potential for reaching surface water via runoff several weeks after application. A level, well-
maintained vegetative buffer strip between areas to which this product is applied and surface water
features such as ponds, streams, and springs will reduce the potential loading of this chemical from runoff
water and sediment. Runoff of this product will be reduced by avoiding applications when rainfall is
forecasted to occur within 48 hours.
STORAGE AND DISPOSAL
Do not contaminate water, food, or feed by storage and disposal.
STORAGE:
Keep container closed when not in use. Always store pesticides in the original container
only, away from other pesticides, food, pet food, feed, seed, fertilizers, and veterinary supplies. If a
leaky container must be contained within another, mark the outer container to identify the contents.
Storage areas must be locked and secure from vandalism, with precautionary signs posted. The
storage area must be dry, well-lit, and well-ventilated. Keep pesticide storage areas clean. Clean up
any spills promptly. Protect pesticide containers from extreme heat and cold. Store herbicides,
insecticides and fungicides in separate areas within the storage unit. Place liquid formulations on lower
shelves and dry formulations above. Maintaining a spill kit and fire extinguisher on hand and having
emergency phone numbers posted will allow you to be prepared for emergencies. If spill cleanup PPE
is stored nearby, but outside the pesticide storage area, it will be accessible when needed.
PESTICIDE DISPOSAL: Wastes resulting from the use of this product must be disposed of on site or
at an approved waste disposal facility.
CONTAINER HANDLING: Refer to the Net Contents section of this products labeling for the
applicable “Nonrefillable Container” or “Refillable Container” designation.
Nonrefillable Rigid Plastic (Less Than 5 Gallons): Nonrefillable container. Do not reuse or refill this
container. Triple rinse container (or equivalent) promptly after emptying. Triple rinse as follows: Empty
the remaining contents into application equipment or a mix tank and drain for 10 seconds after the flow
begins to drip. Fill the container ¼ full with water and recap. Shake for 10 seconds. Pour rinsate into
application equipment or a mix tank or store rinsate for later use or disposal. Drain for 10 seconds after
Fontelis / MSTR / Amend / 04-22-24 Page 44
the flow begins to drip. Repeat this procedure two more times. Then, for Plastic Containers, offer for
recycling if available or puncture and dispose of in a sanitary landfill.
Nonrefillable Rigid Plastic, e.g., Intermediate Bulk Containers [IBC] (Size or Shape Too Large to
be Tipped, Rolled or Turned Upside Down): Nonrefillable container. Do not reuse or refill this
container. Clean container promptly after emptying the contents from this container into application
equipment or mix tank and before final disposal using the following pressure rinsing procedure. Insert a
lance fitted with a suitable tank cleaning nozzle into the container and ensure that the water spray
thoroughly covers the top, bottom and all sides inside the container. The nozzle manufacturer generally
provides instructions for the appropriate spray pressure, spray duration and/or spray volume. If the
manufacturers instructions are not available, pressure rinse the container for at least 60 seconds using
a minimum pressure of 30 PSI with a minimum rinse volume of 10% of the container volume. Drain,
pour or pump rinsate into application equipment or rinsate collection system. Repeat this pressure
rinsing procedure two more times. Then, for Plastic Containers, offer for recycling if available or
puncture and dispose of in a sanitary landfill.
All Refillable Containers: Refillable container. Refilling Container: Refill this container with Fontelis
fungicide containing penthiopyrad only. Do not reuse this container for any other purpose. Cleaning
before refilling is the responsibility of the refiller. Prior to refilling, inspect carefully for damage such as
cracks, punctures, abrasions, worn out threads and closure devices. If damage is found, do not use
container, contact Corteva at the number bel
ow for instructions. Check for leaks after refilling and
before transporting. If leaks are found, do not reuse or transport container, contact Corteva at the
number below for instructions. Disposing of Container: Do not reuse this container for any other
purpose other than refilling (see preceding). Cleaning the container before final disposal is the
responsibility of the person disposing of the container. To clean the container before final disposal, use
the following pressure rinsing procedure. Insert a lance fitted with a suitable tank cleaning nozzle into
the container and ensure that the water spray thoroughly covers the top, bottom and all sides inside the
container. The nozzle manufacturer generally provides instructions for the appropriate spray pressure,
spray duration and/or spray volume. If the manufacturers instructions are not available, pressure rinse
the container for at least 60 seconds using a minimum pressure of 30 PSI with a minimum rinse
volume of 10% of the container volume. Drain, pour or pump rinsate into application equipment or
rinsate collection system. Repeat this pressure rinsing procedure two more times. Then, for Plastic
Containers, offer for recycling if available or puncture and dispose of in a sanitary landfill.
Do not transport if container is damaged or leaking. If the container is damaged, leaking or obsolete, or in
the event of a major spill, fire or other emergency, contact Corteva Agriscience at 1-800-992-5994, day or
night.
It is a violation of Federal law to use this product in a manner inconsistent with its labeling. Read all
Directions for Use before applying.
Refer to inside of label booklet for additional precautionary information and Directions for Use.
Notice: Read the entire label. Use only according to label directions. Before using this product, read
Warranty Disclaimer, Inherent Risks of Use and Limitation of Remedies at end of label booklet. If
terms are unacceptable, return at once unopened.
In case of emergency endangering health or the environment involving this product, call 1-800-992-5994.
Agricultural Chemical: Do not ship or store with food, feeds, drugs or clothing.
EPA Reg. No. 352-834 EPA Est. No. ______
Fontelis / MSTR / Amend / 04-22-24 Page 45
™® Trademarks of Corteva Agriscience and its affiliated companies
Produced for
Corteva Agriscience LLC
9330 Zionsville Road
Indianapolis, IN 46268
NET CONTENT___
Fontelis / MSTR / Amend / 04-22-24 Page 1
Supplemental
Labeling
Corteva Agriscience LLC 9330 Zionsville Road Indianapolis, IN 46268-1054 USA
Fontelis®
FUNGICIDE
EPA Reg. No. 352-834
This supplemental label expires on April 30, 2027, and must not be used or distributed after this
date.
FOR USE IN CEREAL GRAINS EXCEPT RICE, INCLUDING: BARLEY,
MILLETS, SORGHUMS, AND WHEAT
(Not Registered for Use in California)
ATTENTION
x It is a violation of Federal law to use this prod uct in a manner inconsistent with its labeling.
x This labeling must be in possession of the user at the time of application.
x Read the label affixed to the container for Fontelis ® before applying.
x Use of Fontelis according to this labeling is subj ect to the use precautions and limitations imposed by
the label affixed to the container for Fontelis.
Product Information
Fontelis is a broad-spectrum fungicide, recommended for control of foliar and soil-borne plant diseases in
many listed crops, and has preventive, curative, and locally systemic activity. Fontelis must be applied in
a regularly scheduled protective spray program in rotation with other fungicides. See directions below for
specific crop/disease recommendations.
Fontelis can be applied with commonly used ground equipment, hose-end, pressurized, and greenhouse
sprayers, air or chemigation equipment, except as otherwise directed, using sufficient water to obtain
thorough coverage of plants. Thorough coverage of all foliage is essential for effective disease control.
Maintain agitation during mixing and application to assure uniform product suspension.
Use Restrictions
- Use this product only in commercial and farm plantings.
- Do not use for home plantings.
- Do not formulate this product into other end-use products.
- Do not sell, sell into, distribute, or use in Nassau or Suffolk Counties, New York.
- In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
- Not approved for use in the State of California.
Fontelis / MSTR / Amend / 04-22-24 Page 2
Fontelis fungicide labeled Crop and Crop Groups, Pre-Harvest Intervals, Maximum Single
Application Rates, and Total Rates allowed per year
Crop, Crop group or
subgroup with examples†
Minimum Time from
Application to Harvest
(PHI days)
Maximum Rate
per Acre per Application
fl oz product
(lb active ingredient)
Maximum Product
per Acre per Year
fl oz product
(lb active ingredient)
Cereal grains*
Barley, Wheat, oats, rye
0 day forage and hay,
Do not apply after
flowering
24 fl oz
(0.31 lb)
48 fl oz
(0.63 lb)
Cereal grains*
Sorghum
0 day forage
30 days grain and
stover
24 fl oz
(0.31 lb)
48 fl oz
(0.63 lb)
*Not for use in California
†Refer to the crop specific direction for use tables to determine exactly which crop species in each crop area or crop group are
included.
Use Rates and Application Instructions
Cereal grains* except rice, including: barley, millets, sorghums, wheat, corn
Use directions for specific cereal grains are provided below. Cereal grains may be used for grazing,
forage, and/or hay within 0 days after the last application.
Crop/Crop Group Target Diseases
Use Rate per Acre
(fl oz) Application Instructions
Barley* Scald
(Rhynchosporium secalis)
Spot blotch
(Cochliobolus sativus)
14 - 24 fl oz
(0.18 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
- to 14-day
interval, depending on the
targeted disease. Use higher
rate and shorter interval
when disease pressure is
high.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Do not apply after flowering (Feekes 10.5.1). Do not exceed 48 fl oz/acre (0.63 lb ai) per
year.
Millet, pearl*
millet, proso*
Sorghum (milo)*
sorghum spp. (sudangrass and
hybrids)*
Rust, common
(Puccinia sorghi)
10 - 24 fl oz
(0.13 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7- to 14-day
interval. Use higher rate and
shorter interval when
disease pressure is high.
Fontelis / MSTR / Amend / 04-22-24 Page 3
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time (PHI) between application and grain and stover harvest is 30 days. Do not
exceed 48 fl oz (0.63 lb ai)/acre per year.
*Not for use in California
Crop/Crop Group Target Diseases
Use Rate per Acre
(fl oz) Application
Instructions
Wheat*
rye*
oats*
buckwheat*
teosinte*
triticale*
Leaf and glume blotch
(Stagonospora spp.,
Septoria spp.)
Rust, brown leaf
(Puccinia recondita f.
sp. tritici)
Rust, black stem
(Puccinia graminis f.
sp. tritici)
Rust, stripe
(Puccinia striiformis)
10 - 24 fl oz
(0.13 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7- to 14-day
interval, depending on the
targeted disease. Use
higher rate and shorter
interval when disease
pressure is high.
To optimize yields in
cereals, it is important to
protect the flag leaf from
foliar diseases. For
optimizing yield and flag leaf
disease control, apply
Fontelis fungicide at Feekes
9, 'flag leaf out.'
Tan spot
(Pyrenophora tritici-repentis)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
Disease suppression
Powdery mildew
(Erysiphe graminis f. sp.
Tritici)
Scab
(Fusarium spp.)
10 24 fl oz
(0.13 0.31 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Do not apply after flowering (Feekes 10.5.1). Do not exceed 48 fl oz
(0.63 lb ai)/acre per year.
*Not for use in California
™® Trademarks of Corteva Agriscience and its affiliates
R613-015
EPA accepted __/__/__
Initial printing
Fontelis / MSTR / Amend / 04-22-24 Page 1
Supplemental
Labeling
Corteva Agriscience LLC 9330 Zionsville Road Indianapolis, IN 46268-1054 USA
Fontelis®
FUNGICIDE
EPA Reg. No. 352-834
This supplemental label expires on April 30, 2027, and must not be used or distributed after this
date.
FOR USE IN CORN (INCLUDING FIELD, SWEET, SEED AND POPCORN)
(Not Registered for Use in California)
ATTENTION
x It is a violation of Federal law to use this prod uct in a manner inconsistent with its labeling.
x This labeling must be in possession of the user at the time of application.
x Read the label affixed to the container for Fontelis ® before applying.
x Use of Fontelis according to this labeling is subj ect to the use precautions and limitations imposed by
the label affixed to the container for Fontelis.
Product Information
Fontelis is a broad-spectrum fungicide, recommended for control of foliar and soil-borne plant diseases in
many listed crops, and has preventive, curative, and locally systemic activity. Fontelis must be applied in
a regularly scheduled protective spray program in rotation with other fungicides. See directions below for
specific crop/disease recommendations.
Fontelis can be applied with commonly used ground equipment, hose-end, pressurized, and greenhouse
sprayers, air or chemigation equipment, except as otherwise directed, using sufficient water to obtain
thorough coverage of plants. Thorough coverage of all foliage is essential for effective disease control.
Maintain agitation during mixing and application to assure uniform product suspension.
Use Restrictions
- Use this product only in commercial and farm plantings.
- Do not use for home plantings.
- Do not formulate this product into other end-use products.
- Do not sell, sell into, distribute, or use in Nassau or Suffolk Counties, New York.
- In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
- Not approved for use in the State of California.
Fontelis / MSTR / Amend / 04-22-24 Page 2
Fontelis fungicide labeled Crop and Crop Groups, Pre-Harvest Intervals, Maximum Single
Application Rates, and Total Rates allowed per year
Crop, Crop group or
subgroup with examples†
Minimum Time from
Application to Harvest
(PHI days)
Maximum Rate
per Acre per Application
fl oz product
(lb active ingredient)
Maximum Product
per Acre per Year
fl oz product
(lb active ingredient)
Corn* 0 day forage
7 days grain and stover
24 fl oz
(0.31 lb)
48 fl oz
(0.63 lb)
*Not for use in California
†Refer to the crop specific direction for use tables to determine exactly which crop species in each crop area or crop group are
included.
Use Rates and Application Instructions
Cereal grains* except rice, including: barley, millets, sorghums, wheat, corn
Use directions for specific cereal grains are provided below. Cereal grains may be used for grazing,
forage, and/or hay within 0 days after the last application.
Crop/Crop Group Target Diseases Use Rate per
Acre (fl oz)
Application Instructions
Corn, field*
corn, sweet*
corn, seed*
popcorn*
Anthracnose leaf blight
(Colletotrichum
graminicola)
Gray leaf spot
(Cercospora zeae-maydis)
Leaf spots
(Alternaria spp.)
Northern corn leaf blight
(Exserohilum turcicum)
Northern corn leaf spot
(Bipolaris zeicola
)
Rusts
(Puccinia spp.)
Southern corn leaf blight
(Bipolaris maydis)
10 - 24 fl oz
(0.13 0 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
- to 14-
dayinterval. Use higher rate
and shorter interval when
disease pressure is high.
Physoderma brown spot
(Physoderma maydis)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time (PHI) between application and grain and stover harvest is 7 days for
corn. Corn may be used for grazing or forage within 0 days after the last application. Do not exceed 48 fl oz
(0.63 lb ai)/acre per year.
*Not for use in California
Fontelis / MSTR / Amend / 04-22-24 Page 3
™® Trademarks of Corteva Agriscience and its affiliated companies
R613-016
EPA accepted __/__/__
Initial printing
Fontelis / MSTR / Amend / 04-22-24 Page 1
Supplemental
Labeling
Corteva Agriscience LLC 9330 Zionsville Road Indianapolis, IN 46268-1054 USA
Fontelis®
FUNGICIDE
EPA Reg. No. 352-834
This supplemental label expires on April 30, 2027, and must not be used or distributed after this
date.
FOR USE IN OIL SEEDS, INCLUDING CANOLA, COTTON AND SUNFLOWER
(Not Registered for Use in California)
ATTENTION
x It is a violation of Federal law to use this prod uct in a manner inconsistent with its labeling.
x This labeling must be in possession of the user at the time of application.
x Read the label affixed to the container for Fontelis ® before applying.
x Use of Fontelis according to this labeling is subj ect to the use precautions and limitations imposed by
the label affixed to the container for Fontelis.
Product Information
Fontelis is a broad-spectrum fungicide, recommended for control of foliar and soil-borne plant diseases in
many listed crops, and has preventive, curative, and locally systemic activity. Fontelis must be applied in
a regularly scheduled protective spray program in rotation with other fungicides. See directions below for
specific crop/disease recommendations.
Fontelis can be applied with commonly used ground equipment, hose-end, pressurized, and greenhouse
sprayers, air or chemigation equipment, except as otherwise directed, using sufficient water to obtain
thorough coverage of plants. Thorough coverage of all foliage is essential for effective disease control.
Maintain agitation during mixing and application to assure uniform product suspension.
Use Restrictions
- Use this product only in commercial and farm plantings.
- Do not use for home plantings.
- Do not formulate this product into other end-use products.
- Do not sell, sell into, distribute, or use in Nassau or Suffolk Counties, New York.
- In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
- Not approved for use in the State of California.
Fontelis / MSTR / Amend / 04-22-24 Page 2
Fontelis fungicide labeled Crop and Crop Groups, Pre-Harvest Intervals, Maximum Single
Application Rates, and Total Rates allowed per year
Crop, Crop group or subgroup
with examples†
Minimum Time from
Application to Harvest
(PHI days)
Maximum Rate
per Acre per Application
fl oz product
(lb active ingredient)
Maximum Product
per Acre per Year
fl oz product
(lb active ingredient)
Canola* 21 days 20 fl oz
(0.26 lb)
41 fl oz
(0.53 lb)
Cotton* 21 days 24 fl oz
(0.31 lb)
72 fl oz**
(0.94 lb)**
Sunflower* 14 days 30 fl oz
(0.39 lb)
61 fl oz
(0.80 lb)
*Not for use in California
**In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
†Refer to the crop specific direction for use tables to determine exactly which crop species in each crop area or crop group are
included.
Use Rates and Application Instructions
Oil Seeds*, including: Canola, Cotton, and Sunflower
Use directions for specific crops are provided below.
Crop/Crop Group Target Diseases Use Rate per Acre
(fl oz)
Application Instructions
*Canola varieties
(rapeseed); borage;
crambe; cuphea;
echium; flax seed; gold
of pleasure; hare's ear
mustard; lesquerella;
lunaria; meadowfoam;
milkweed; mustard
seed; oil radish; poppy
seed; sesame; sweet
rocket; cultivars,
varieties, and/or hybrids
of these
Alternaria blackspot,
(Alternaria spp.)
14 - 20 fl oz
(0.18 0.26 lb ai/A)
Begin applications prior to disease
development and continue on a 7-
to 14-day interval. Use higher rate
and shorter interval when disease
pressure is high.
Sclerotinia stem rot: Begin
application at 20-50% bloom prior to
disease development and continue
on a 7- to 14-day interval. Use
higher rate and shorter interval
when disease pressure is high.
Sclerotinia stem rot, white
mold (Sclerotinia spp.)
16 - 20 fl oz
(0.21 0.26 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Minimum time (PHI) between application and harvest is 21 days. Do
not exceed 41 fl oz (0.53 lb ai)/acre per year.
*Not for use in California
Fontelis / MSTR / Amend / 04-22-24 Page 3
Crop/Crop Group Target Diseases Use Rate per Acre
(fl oz)
Application Instructions
*Cotton; cultivars, varieties,
and/or hybrids of these
Boll Rot
(Diplodia, Fusarium)
Foliar disease complex
Alternaria leaf and stem
spots
(Alternaria spp.)
16 - 24 fl oz
(0.21 0.31 lb ai/A)
Begin applications prior to disease
development and continue on a 7-
to 14
-day interval. Use higher rate
and shorter interval when disease
pressure is high.
(Cercospora spp.)
Stemphylium leaf spot
(Stemphylium spp.)
Hardlock
(Fusarium spp.)
Soil-borne diseases
Seedling and root rot
(Rhizoctonia solani)
0.7 - 1.6 fl
oz/1000 row ft
(0.009 0.021 lb
ai/1000 row ft)
At-plant, in-furrow application.
Maximum rate per acre per
application is 24 fl oz.
See soil-borne disease section
instructions.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time (PHI) between application and harvest is 21 days. Do not exceed 72 fl oz
(0.94 lb ai)/acre per year. In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
*Not for use in California
Crop/Crop Group Target Diseases Use Rate per Acre
(fl oz)
Application Instructions
*Sunflower; calendula;
castor oil plant; Chinese
tallowtree; euphorbia;
evening primrose;
jojoba; niger seed; rose hip;
safflower; stokes aster;
tallowwood; tea oil plant;
vernonia; cultivars, varieties,
and/or hybrids of these
Alternaria leaf spot
(Alternaria spp.)
Powdery mildew
(Erysiphe cichoracearum)
Rust
(Puccinia helianthi,
Uromyces spp.)
Septoria leaf spot
(Septoria spp.)
10 - 30 fl oz
(0.13 0.39 lb ai/A)
Begin applications prior to disease
development and continue on a 7-
to 14
-day interval. Use higher rate
and shorter interval when disease
pressure is high.
Sclerotinia stem rot
(Sclerotinia spp.)
16 - 30 fl oz
(0.21 0.39 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Minimum time (PHI) between application and harvest is 14 days. Do not exceed 61 fl oz
(0.80 lb ai)/acre per year.
*Not for use in California
™® Trademarks of Corteva Agriscience and its affiliated companies
Fontelis / MSTR / Amend / 04-22-24 Page 4
R613-017
EPA accepted __/__/__
Initial printing
Fontelis / MSTR / Amend / 04-22-24 Page 1
Supplemental
Labeling
Corteva Agriscience LLC 9330 Zionsville Road Indianapolis, IN 46268-1054 USA
Fontelis®
FUNGICIDE
EPA Reg. No. 352-834
This supplemental label expires on April 30, 2027, and must not be used or distributed after this
date.
FOR USE IN SOYBEANS
(Not Registered for Use in California)
ATTENTION
x It is a violation of Federal law to use this prod uct in a manner inconsistent with its labeling.
x This labeling must be in possession of the user at the time of application.
x Read the label affixed to the container for Fontelis ® before applying.
x Use of Fontelis according to this labeling is subj ect to the use precautions and limitations imposed by
the label affixed to the container for Fontelis.
Product Information
Fontelis is a broad-spectrum fungicide, recommended for control of foliar and soil-borne plant diseases in
many listed crops, and has preventive, curative, and locally systemic activity. Fontelis must be applied in
a regularly scheduled protective spray program in rotation with other fungicides. See directions below for
specific crop/disease recommendations.
Fontelis can be applied with commonly used ground equipment, hose-end, pressurized, and greenhouse
sprayers, air or chemigation equipment, except as otherwise directed, using sufficient water to obtain
thorough coverage of plants. Thorough coverage of all foliage is essential for effective disease control.
Maintain agitation during mixing and application to assure uniform product suspension.
Use Restrictions
- Use this product only in commercial and farm plantings.
- Do not use for home plantings.
- Do not formulate this product into other end-use products.
- Do not sell, sell into, distribute, or use in Nassau or Suffolk Counties, New York.
- In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
- Not approved for use in the State of California.
Fontelis / MSTR / Amend / 04-22-24 Page 2
Fontelis fungicide labeled Crop and Crop Groups, Pre-Harvest Intervals, Maximum Single
Application Rates, and Total Rates allowed per year
Crop, Crop group or
subgroup with examples†
Minimum Time from
Application to Harvest
(PHI days)
Maximum Rate
per Acre per Application
fl oz product
(lb active ingredient)
Maximum Product
per Acre per Year
fl oz product
(lb active ingredient)
Soybeans* 0 day forage and hay
14 days seed
30 fl oz
(0.39 lb)
61 fl oz
(0.80 lb)
*Not for use in California
†Refer to the crop specific direction for use tables to determine exactly which crop species in each crop area or crop group are
included.
Use Rates and Application Instructions
Crop/Crop Group Target Diseases Use Rate per Acre (fl oz) Application Instructions
Soybean* Anthracnose
(Colletotrichum
truncatum)
Alternaria leaf spot
(Alternaria spp.)
Brown Spot
(Septoria glycines)
Cercospora blight and leaf
spot
(Cercospora kikuchii)
Frogeye leaf spot
(Cercospora sojina)
Pod and stem blight
(Diaporthe phaseolum)
Rust
(Puccinia spp.,
Phakospora spp.)
Target Spot
(Corynespora cassiicola)
10 - 30 fl oz
(0.13 - 0.39 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
- to 14-day
interval. Use higher rate and
shorter interval when disease
pressure is high.
For white mold: make initial
preventive application at
100% bloom (1 flower
blooming on all plants) and
follow with 2
nd application 7-
10 days later at full bloom.
Sclerotinia stem rot (white
mold) (Sclerotinia
sclerotiorum)
16 30 fl oz
(0.21 0.39 lb ai/A)
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a
different mode of action. Do not use soybean forage or hay for livestock feed. Minimum time (PHI) between
application and harvest of seed is 14 days. Do not exceed 61 fl oz (0.80 lb a i)/acre per year.
*Not for use in California
™® Trademarks of Corteva Agriscience and its affiliated companies
Fontelis / MSTR / Amend / 04-22-24 Page 3
R613-018
EPA accepted __/__/__
Initial printing
Fontelis / MSTR / Amend / 04-22-24 Page 1
Supplemental
Labeling
Corteva Agriscience LLC 9330 Zionsville Road Indianapolis, IN 46268-1054 USA
Fontelis®
FUNGICIDE
EPA Reg. No. 352-834
This supplemental label expires on April 30, 2027, and must not be used or distributed after this
date.
FOR USE IN SUGAR BEET
(Not Registered for Use in California)
ATTENTION
x It is a violation of Federal law to use this prod uct in a manner inconsistent with its labeling.
x This labeling must be in possession of the user at the time of application.
x Read the label affixed to the container for Fontelis ® before applying.
x Use of Fontelis according to this labeling is subj ect to the use precautions and limitations imposed by
the label affixed to the container for Fontelis.
Product Information
Fontelis is a broad-spectrum fungicide, recommended for control of foliar and soil-borne plant diseases in
many listed crops, and has preventive, curative, and locally systemic activity. Fontelis must be applied in
a regularly scheduled protective spray program in rotation with other fungicides. See directions below for
specific crop/disease recommendations.
Fontelis can be applied with commonly used ground equipment, hose-end, pressurized, and greenhouse
sprayers, air or chemigation equipment, except as otherwise directed, using sufficient water to obtain
thorough coverage of plants. Thorough coverage of all foliage is essential for effective disease control.
Maintain agitation during mixing and application to assure uniform product suspension.
Use Restrictions
- Use this product only in commercial and farm plantings.
- Do not use for home plantings.
- Do not formulate this product into other end-use products
- Do not sell, sell into, distribute, or use in Nassau or Suffolk Counties, New York.
- In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
- Not approved for use in the State of California.
Fontelis / MSTR / Amend / 04-22-24 Page 2
Fontelis fungicide labeled Crop and Crop Groups, Pre-Harvest Intervals, Maximum Single
Application Rates, and Total Rates allowed per year
Crop, Crop group or
subgroup with examples†
Minimum Time from
Application to Harvest
(PHI days)
Maximum Rate
per Acre per Application
fl oz product
(lb active ingredient)
Maximum Product
per Acre per Year
fl oz product
(lb active ingredient)
Sugar beet* 7 days 30 fl oz
(0.39 lb)
61 fl oz
(0.80 lb)
*Not for use in California
†Refer to the crop specific direction for use tables to determine exactly which crop species in each crop area or crop group are
included.
Use Rates and Application Instructions
Crop/Crop Group Target Diseases Use Rate per Acre (fl oz) Application Instructions
Sugar beet* Cercospora leaf spot
(Cercospora beticola)
Powdery mildew
(Erysiphe betae)
Rust
(Uromyces betae)
14 - 30 fl oz
(0.18 0.39 lb ai/A)
Begin applications prior to
disease development and
continue on a
7- to 14-day
interval. Use higher rate
and shorter interval when
disease pressure is high.
Soil-borne diseases
(Rhizoctonia spp.)
0.7 - 1.6 fl oz/1000 row ft
(0.009 0.021 lb ai/1000
row ft)
At-plant, in-furrow
application. Maximum rate
per acre per application is
30 fl oz.
See soil-borne disease
section instructions.
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis fungicide before switching to a
fungicide with a different mode of action. Sugar beet tops may be used for grazing or forage 0 days after the last
application. Minimum time (PHI) between application and harvest is 7 days. Do not exceed 61 fl oz (0.80 lb ai) of
Fontelis/acre per year.
Do not use Fontelis fungicide for an in-furrow application when penthiopyrad has been applied as a seed
treatment for sugar beets. Do not apply more than two in-season foliar sugar beet applications of Fontelis at the
maximum single application rate when penthiopyrad has been used as a seed treatment for sugar beets. Do not
apply more than 12.7 oz of penthiopyrad ai/acre/year to sugar beets in total from any combination of seed, soil,
or foliar treatments.
*Not for use in California
™® Trademarks of Corteva Agriscience and its affiliated companies
R613-019
EPA accepted __/__/__
Initial printing
Fontelis / MSTR / Amend / 04-22-24 Page 1
Supplemental
Labeling
Corteva Agriscience LLC 9330 Zionsville Road Indianapolis, IN 46268-1054 USA
Fontelis®
FUNGICIDE
EPA Reg. No. 352-834
This supplemental label expires on April 30, 2027, and must not be used or distributed after this
date.
FOR USE IN TUBEROUS AND CORM VEGETABLES AND LEAVES
ATTENTION
x It is a violation of Federal law to use this prod uct in a manner inconsistent with its labeling.
x This labeling must be in possession of the user at the time of application.
x Read the label affixed to the container for Fontelis ® before applying.
x Use of Fontelis according to this labeling is subj ect to the use precautions and limitations imposed by
the label affixed to the container for Fontelis.
Product Information
Fontelis is a broad-spectrum fungicide, recommended for control of foliar and soil-borne plant diseases in
many listed crops, and has preventive, curative, and locally systemic activity. Fontelis must be applied in
a regularly scheduled protective spray program in rotation with other fungicides. See directions below for
specific crop/disease recommendations.
Fontelis can be applied with commonly used ground equipment, hose-end, pressurized, and greenhouse
sprayers, air or chemigation equipment, except as otherwise directed, using sufficient water to obtain
thorough coverage of plants. Thorough coverage of all foliage is essential for effective disease control.
Maintain agitation during mixing and application to assure uniform product suspension.
Use Restrictions
- Use this product only in commercial and farm plantings.
- Do not use for home plantings.
- Do not formulate this product into other end-use products.
- Do not sell, sell into, distribute, or use in Nassau or Suffolk Counties, New York.
- In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
Fontelis / MSTR / Amend / 04-22-24 Page 2
Fontelis fungicide labeled Crop and Crop Groups, Pre-Harvest Intervals, Maximum Single
Application Rates, and Total Rates allowed per year
Crop, Crop group or
subgroup with examples†
Minimum Time from
Application to Harvest
(PHI days)
Maximum Rate
per Acre per Application
fl oz product
(lb active ingredient)
Maximum Product
per Acre per Year
fl oz product
(lb active ingredient)
Tuberous and corm
vegetables and leaves
Potato, sweet potato,
yam
7 days 24 fl oz
(0.31 lb)
72 fl oz**
(0.94 lb)**
**In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
†Refer to the crop specific direction for use tables to determine exactly which crop species in each crop area or crop group are
included.
Use Rates and Application Instructions
Crop/Crop Group Target Diseases Use Rate per Acre (fl
oz)
Application Instructions
Tuberous and corm
vegetables
and leaves, including
only:
Potato;
Arracacha;
arrowroot;
artichoke, Chinese;
artichoke, Jerusalem;
canna, edible;
cassava, bitter and
sweet;
chayote (root);
chufa;
dasheen (taro);
ginger;
leren;
sweet potato;
tanier;
turmeric;
yam bean;
yam, true
Alternaria early blight and
brown spot
(Alternaria solani, Alternaria
alternata)
Gray mold
(Botrytis cinerea)
Powdery mildew
(Erysiphe spp.)
10 - 24 fl oz
(0.13 0.31 lb ai/A)
Begin applications prior to
disease development and
continue on a 7
- to 14-
day interval. Use higher
rate and shorter interval
when disease pressure is
high.
Black dot
(Colletotrichum coccodes)
14 - 24 fl oz
(0.18 0.31 lb ai/A)
Disease suppression
White mold
(Sclerotinia sclerotiorum)
14 - 24 fl oz
(0.18 0.31 lb ai/A)
Make initial application at
100% full bloom of the
primary inflorescence, or
prior to row closure, and
then again 14 days later.
Soil-borne diseases
Rhizoctonia stem canker
and black scurf
(Rhizoctonia solani)
0.7 - 1.6 fl oz/1000 row ft
(0.009 0.021 lb ai/1000
row ft)
At-plant, in-furrow
application. Maximum
rate per acre per
application is 24 fl oz.
See soil-borne disease
section instructions.
Fontelis / MSTR / Amend / 04-22-24 Page 3
RESTRICTIONS: Make no more than 2 sequential applications of Fontelis before switching to a fungicide with
a different mode of action. Minimum time (PHI) between application and harvest is 7 days. Do not exceed 72 fl
oz (0.94 lb ai) of Fontelis/acre per year. In New York, do not exceed 61 fl oz (0.80 lb ai) per acre per year.
Do not use Fontelis fungicide for an in-furrow application when penthiopyrad has been applied as a seed piece
treatment for potatoes. Do not apply more than two in-season foliar potato applications of Fontelis at the
maximum single application rate when penthiopyrad has been used as a seed piece treatment for potatoes. Do
not apply more than 15 oz of penthiopyrad ai/acre/year to potatoes in total from any combination of seed, soil,
or foliar treatments.
Specific Restrictions for Use in New York State
Make no more than 2 sequential applications of Fontelis before switching to a fungicide with a different mode of
action. Minimum time (PHI) between application and harvest is 7 days. Do not exceed 61 fl oz (0.80 lb ai) of
Fontelis/acre per year.
Do not use Fontelis fungicide for an in-furrow application when penthiopyrad has been applied as a seed piece
treatment for potatoes. Do not apply more than one in-season foliar potato application of Fontelis at the
maximum single application rate when penthiopyrad has been used as a seed piece treatment for potatoes. Do
not apply more than 10 oz of penthiopyrad ai/acre/year to potatoes in total from any combination of seed, soil,
or foliar treatments.
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