crop-chem-docs/corpus/epa_ppls/279-9631.md

# GR2 HERBICIDE

- EPA Reg No: **279-9631**
- Registrant: FMC CORPORATION 
- Signal word: Caution
- Active ingredients: Pyroxsulam (21.5%)
- Label accepted: 2018-07-26
- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/000279-09631-20180726.pdf

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UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
 WASHINGTON, DC 20460
Notification Label Acceptable v.20150904
OFFICE OF CHEMICAL SAFETY 
AND POLLUTION PREVENTION
July 26, 2018
Richard J Ambrose
Product Registration Manager
FMC Corporation
c/o FMC Stine Research Center
P.O. Box 30
Newark, Delaware 19714-0030
Subject: Notification per PRN 98-10 – Changing Primary Brand Name and
Label Edits Related to Registration Transfer.
Product Name: GR2 Herbicide
EPA Registration Number: 279-9631
Application Date: 06/06/2018
Decision Number: 541882
Dear Mr. Ambrose:
The Agency is in receipt of your Application for Pesticide Notification under Pesticide 
Registration Notice (PRN) 98-10 for the above referenced product. The Registration Division 
(RD) has conducted a review of this request for its applicability under PRN 98-10 and finds that 
the action requested falls within the scope of PRN 98-10.
The label submitted with the application has been stamped “Notification” and will be placed in 
our records.
Should you wish to add/retain a reference to the company’s website on your label, then please be 
aware that the website becomes labeling under the Federal Insecticide Fungicide and Rodenticide 
Act 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) list examples of statements EPA may consider false or misleading. In addition,
regardless of whether a website is referenced on your product’s label, claims made on the 
website may not substantially differ from those claims approved through the registration process. 
Therefore, should the Agency find 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 EPA’s Office of Enforcement and Compliance.
If you have any questions, you may contact Manjula Unnikrishnan at 703-347-8520 or via email
at unnikrishnan.manjula@epa.gov.

Page 2 of 2
EPA Reg. No. 279-9631
Decision No. 541882
Sincerely,
Erik Kraft, Product Manager 24
Fungicide and Herbicide Branch
Registration Division (7505P)
Office of Pesticide Programs

For postemergent control of annual grass and broadleaf weeds in spring and winter
wheat (including durum), and triticale.
Dispersible Granules 
Active Ingredients By Weight
pyroxsulam: N-(5,7-dimethoxy[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)-2-methoxy-4-(trifluoromethyl)-
3-pyridinesulfonamide 21.5%
Other Ingredients 78.5%
TOTAL 100.0%
Contains 0.215 lb of active ingredient per pound of product.
EPA Reg. No. 279-9631 EPA Est. No. __________
Nonrefillable Container
Net: ______________ OR
Refillable Container
Net: ______________
1
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 this
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 to an
unconscious person.
If in eyes: Hold eye open and rinse slowly and gently with water for 15-20 minutes. Remove contact lenses, if present,
after the first 5 minutes, then continue rinsing. Call a poison control center or doctor for treatment advice.
Have the product container or label with you when calling a poison control center or doctor or going for treatment. You
may also contact 1-800-331-3148 for emergency medical treatment information.
PRECAUTIONARY STATEMENTS 
HAZARDS TO HUMANS AND DOMESTIC ANIMALS
CAUTION
Harmful If Swallowed · Causes Moderate Eye Irritation
Avoid contact with eyes or clothing. Wash thoroughly with soap and water after handling and before eating, drinking,
chewing gum, using tobacco or using the toilet. Remove and wash contaminated clothing before reuse. Wear protective
eyewear, long sleeved shirt and long pants, socks and shoes.
PERSONAL PROTECTIVE EQUIPMENT (PPE)
Mixers, loaders, applicators, and other handlers must wear:
‡Long-sleeved shirt and long pants
‡Shoes plus socks.
Follow manufacturer's 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 STATEMENT
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. 
Important: When reduced PPE is worn because a closed system is being used, handlers must be provided all PPE
specified above for "Applicators and Other Handlers" and have such PPE immediately available for use in an
emergency, such as a spill or equipment breakdown.
HERBICIDE2GROUP
GR2
herbicide 
FMC Corporation 
2929 Walnut Street
Philadelphia, PA 19104
Sold By
5 b o act v
. 279-9631
This registration was transferred to FMC 05/25/2018. This is a copy of the new FMC labeling with changes highlighted vs. the currently accepted DuPont 
labeling identified with the EPA Reg. No. 352-921 (Label ID SL-2007 071916 06-24-16). This label is submitted via notification to the Agency showing the 
FMC labeling for newly transferred EPA Reg. No. 279-9631. 
iner or labe
-331-3148 f
Added FMC Address and Logo, 
could not highlight this text. 
Throughout the label removed the 
word "DuPont" from the name of the 
product, only highlighted here. 
279-9631
07/26/2018

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 carefully
before applying. 
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 agency responsible
for pesticide regulation.
GR2 herbicide, referred to below as GR2 or GR2 herbicide, must be used only in accordance with instructions
on this label, in separately published FMC instructions (Supplemental Labels, Special Local Need Registrations, FIFRA Section
18 exemptions, FIFRA 2(ee) Bulletins), or as otherwise permitted by FIFRA. Always read the entire label, including the Limitation
of Warranty and Liability.
PRODUCT INFORMATION
Use GR2 herbicide as a postemergence herbicide for the control of annual grass and broadleaf weeds in spring and winter
wheat (including durum), and triticale. 
BIOLOGICAL ACTIVITY
GR2 herbicide rapidly stops growth of susceptible weeds. However, typical symptoms (discoloration) of controlled or
suppressed weeds may not be noticeable for 1 to 2 weeks after application, depending upon growing conditions and weed
susceptibility. Degree of control and duration of effect are dependent upon weed sensitivity, weed size, crop competition,
growing conditions at and following treatment, and spray coverage.
USE RESTRICTIONS
When applying this product in tank mix combination, follow all applicable use directions, precautions, and limitations on each
manufacturer’s label.
‡Chemigation: Do not apply this product through any type of irrigation system.
‡Do not apply GR2 herbicide directly to, or otherwise permit it to come into direct contact with, susceptible crops or desirable
plants including alfalfa, barley, canola, beans, cotton, flowers, grapes, lettuce, lentils, mustard, oats, peas, potatoes, radishes,
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, restricted-entry interval, and notification to workers (as applicable). The requirements in this box
apply to uses of this product that are covered by the Worker Protection Standard. 
Do not enter or allow worker entry into treated areas during the restricted entry interval (REI) of 12 hours. 
PPE required for early entry into 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, wear:
Coveralls
Chemical resistant gloves made of any waterproof material
Shoes plus socks
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ENVIRONMENTAL HAZARDS
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. 
This product may contaminate surface water due to runoff of rainwater. This is especially true for poorly draining soils and
soils with shallow groundwater.
This product is classified as having high potential for runoff for several days 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 for contamination of water from runoff of rainwater. Runoff of this product will be
reduced by avoiding applications when rainfall is forecasted to occur within 48 hours. 
USER SAFETY RECOMMENDATIONS
USERS SHOULD:
‡Wash hands before eating, drinking, chewing gum, using tobacco or using the toilet.
‡Remove clothing/PPE immediately if pesticide gets inside. Then wash thoroughly and put on clean clothing.
‡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.
 GR2 o
d FMC

soybeans, sugar beets, sunflowers, tobacco, tomatoes, vegetables, or other desirable broadleaf crops or ornamental plants. Do
not permit spray mists containing GR2 herbicide to drift onto such plants.
‡ Do not apply to crops underseeded with legumes.
USE PRECAUTIONS
‡ Calibrate sprayers only with clean water away from the well site. 
‡ Make scheduled checks of spray equipment. Ensure that all operation employees accurately measure pesticides. 
‡ Mix only enough product for the job at hand. and avoid overfilling of spray tank.
‡ When triple-rinsing the pesticide container, be sure to add the rinsate to the spray mix.
‡ Thoroughly clean GR2 herbicide from application equipment immediately after use and prior to spraying crops.
‡ Failure to remove even small amounts of GR2 herbicide from application equipment may result in injury to subsequently
sprayed crops.
‡ Keep from contact with fertilizers, insecticides, fungicides and seeds during storage. 
‡ Avoid storage of pesticides near well sites.
WEED RESISTANCE 
GR2 herbicide, which contains the active ingredient pyroxsulam, is a Group 2 herbicide based on the mode of action
classification system of the Weed Science Society of America.
When herbicides with mode of action classifications that affect the same biological sites of action are used repeatedly over
several years to control the same weed species in the same treatment area, naturally-occurring resistant biotypes may survive a
correctly applied herbicide treatment, propagate, and become dominant in that area. Adequate control of these resistant weed
biotypes cannot be expected. If weed control is unsatisfactory, it may be necessary to retreat the problem area using a product
affecting a different biological site of action.
To better manage herbicide resistance through delaying the proliferation and possible dominance of herbicide resistant weed
biotypes, it may be necessary to change cultural practices within and between crop seasons such as using a combination of
tillage, retreatment, tank-mix partners and/or sequential herbicide applications that have a different site of action. Weed escapes
that are allowed to go to seed will promote the spread of resistant biotypes.
It is advisable to keep accurate records of pesticides applied to individual fields to help obtain information on the spread and
dispersal of resistant biotypes. Consult your agricultural dealer, consultant, applicator, and/or appropriate state agricultural
extension service representative to determine appropriate actions for treating specific resistant weed biotypes in your area.
INTEGRATED PEST MANAGEMENT 
This product may be used as part of an Integrated Pest Management (IPM) program that can include biological, cultural, and
genetic practices aimed at preventing economic pest damage. IPM principles and practices include field scouting or other
detection methods, correct target pest identification, population monitoring, and treating when target pest populations reach
locally determined action thresholds. Consult your state cooperative extension service, professional consultants or other
qualified authorities to determine appropriate action treatment threshold levels for treating specific pest/crop systems in your
area.
APPLICATION INFORMATION
Application Timing
Apply GR2 herbicide postemergence to the main flush of actively growing weeds according to the target weed stage shown in
the above table. Extreme growing conditions such as drought, temperatures near or below freezing prior to, at, or following
time of application may reduce weed control and increase the risk of crop injury at all stages of growth. Warm, moist growing
conditions promote active weed growth and enhance the activity of GR2 herbicide by allowing maximum foliar uptake and
contact activity. Weeds hardened off by cold weather or drought stress may not be adequately controlled or suppressed and re-
growth may occur. For best results, ensure thorough spray coverage of target weeds. If foliage is wet at the time of application,
control may be decreased. Applications of GR2 herbicide are rainfast within 4 hours after application.
Spray Coverage
Use sufficient spray volume to provide thorough coverage and a uniform spray pattern. Do not broadcast apply in less than 5
gallons of total spray volume per acre. For best results and to minimize spray drift, apply in a spray volume of 10 gallons or
more per acre. As vegetative canopy and weed density increase, increase spray volume to obtain equivalent weed control. Use
only nozzle types and spray equipment designed for herbicide application. To reduce spray drift, follow precautions under
Avoiding Injurious Spray Drift.
Surfactants and Adjuvants
When GR2 herbicide is applied alone, use one of the following surfactants or adjuvants: 
· Non-ionic surfactant with at least 80% active ingredient at 0.25% to 0.50% v/v (1 to 2 quarts per 100 gallons of spray
solution); for best results under dry or low humidity environments, use a rate of 0.50% v/v. Addition of spray quality urea 
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ammonium nitrogen fertilizer (28-0-0 to 32-0-0 at 1 to 2 quarts per acre) or ammonium sulfate fertilizer (21-0-0-24 at 1.5 to 3
lb per acre) may be added to non-ionic surfactant to enhance control.
· Crop oil concentrate adjuvant at 1.0 to 1.25% v/v (1 to 1.25 gallons per 100 gallons of spray solution) Potential for crop
response is increased with the use of oil adjuvants versus non-ionic surfactants. Do not use oil adjuvants with spray solutions
containing nitrogen fertilizer.
When GR2 herbicide is applied in combination with emulsifiable concentrate (EC) formulations, such as 2,4-
D ester, MCPA ester, Starane or bromoxynil+MCPA products, do not use an adjuvant. 
Do not use additives that lower the spray solution below a pH of 6.0.
Application in Fluid Fertilizer
GR2 herbicide may be applied in spray solutions containing liquid nitrogen fertilizer. The spray solution should not be
composed of more than 50% liquid nitrogen fertilizer and should not exceed 30 lb of actual nitrogen per acre. When GR2
herbicide is applied in spray solutions containing liquid nitrogen fertilizer, use a non-ionic surfactant at a maximum of 0.25%
v/v instead of crop oil concentrate or methylated seed oil. Temporary crop injury may result when liquid nitrogen fertilizer is
used as the spray carrier. Foliar applied liquid nitrogen fertilizer may cause foliar leaf burn, yellowing or reduced growth due to
the activity of the liquid fertilizer on the crop. 
Spring and Winter Wheat (including Durum), and Triticale
Apply 1 oz of GR2 herbicide per acre in spring to actively growing spring or winter wheat and triticale from the 3-leaf to
jointing stage (Zadoks scale 31) according to the application timings shown in the table entitled Weeds Controlled (C) or
Suppressed (S). Treat after the majority of weeds have emerged. Best results are obtained when application is made to weeds
that are actively growing. Occasionally, slight yellowing or height reduction may be observed in the treated crop. These
transient symptoms disappear within 14 days with no reduction to yield. Do not apply to crops suffering from drought, water-
logged soils, nutrient deficiency or exposed to frost or other agronomic factors affecting plant growth. Do not use on wheat or
triticale varieties that are sensitive to ALS herbicides.
An independent liquid ammonium nitrogen fertilizer application made 7 days before or after an application of GR2
herbicide may result in transient leaf burn or stunting. Do not make a liquid fertilizer application during this period
unless the risk of crop response is acceptable.
Tank Mixtures:
GR2 herbicide may be applied in tank mix combination with labeled rates of other products registered for postemergence
application in spring and winter wheat or triticale. See Tank Mixing Precautions under Mixing Directions. When tank mixing,
do not exceed specified application rates and use only in accordance with the most restrictive precautions and limitations on the
respective product labels.
Crop Specific Use Restrictions:
· Preharvest Interval: Do not apply within 60 days of harvest.
· Do not apply more than 1 oz of GR2 herbicide per acre per year (0.215 oz of active ingredient per acre per year).
· Do not graze the treated crop within 7 days following application.
· Do not cut the treated crop for hay within 28 days following application.
· Do not apply a product containing organophosphates for five days before or five days after an application of GR2 herbicide.
Avoiding Injurious Spray Drift
This product can affect broadleaf plants directly through foliage and indirectly by root uptake from treated soil. Do not apply
GR2 herbicide directly to, or allow spray drift to come into contact with, broadleaf crops including alfalfa, barley, canola,
beans, cotton, flowers, grapes, lettuce, lentils, mustard, oats, peas, potatoes, radishes, soybeans, sugar beets, sunflowers,
tobacco, tomatoes, vegetables, or other desirable broadleaf crops or ornamental plants or soil where sensitive crops will be
planted the same season. (See Crop Rotation Intervals section.) 
Make applications only when there is little or no hazard from spray drift. Very small quantities of spray, which may not be
visible, may seriously injure crops, whether dormant or actively growing. When applying GR2 herbicide , use low pressure
equipment capable of producing sprays of uniform droplet size with a minimum of fine spray droplets. Under adverse weather
conditions, fine spray droplets that do not settle rapidly onto target vegetation may be carried a considerable distance from the
treatment area. A drift control or spray thickening agent may be used with this product to improve spray deposition and
minimize the potential for spray drift. If used, follow all use directions and precautions on the product label.
Ground Applications: To minimize spray drift, apply GR2 herbicide in a total spray volume of 10 gallons or more per acre
using spray equipment designed to produce large droplet, low pressure sprays. Refer to the spray equipment manufacturer's
directions for detailed information on nozzle types, arrangement, spacing and operating height and pressure. Apply spot
treatments only with a calibrated boom to prevent over application. Operate equipment at spray pressures no greater than is
necessary to produce a uniform spray pattern. Operate the spray boom no higher than is necessary to produce a uniformly
overlapping pattern between spray nozzles. Do not apply with hollow cone-type insecticide nozzles or other nozzles that
produce a fine-droplet spray.
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Aerial Application: To minimize spray drift, apply GR2 herbicide in a total spray volume of 5 gallons or more per
acre. Drift potential is lowest between wind speeds of 2 to 10 mph. However, many factors, including droplet size and
equipment type, determine drift potential at any given speed. Avoid applications below 2 mph due to variable wind direction
and high potential for temperature inversion. Minimize spray drift from aerial applications by applying a coarse spray at spray
boom pressure no greater than 30 psi; by using straight-stream nozzles directed straight back; and by using a spray boom no
longer than 3/4 of the rotor or wing span of the aircraft. Evaluate spray pattern and droplet size distribution by applying sprays
containing a water-soluble dye marker or appropriate drift control agents over a paper tape (adding machine tape). Mechanical
flagging devices may also be used. 
Do not apply under conditions of a low level air temperature inversion. A temperature inversion is characterized by little or no
wind and lower air temperature near the ground than at higher levels. The behavior of smoke generated by an aircraft-mounted
device or continuous smoke column released at or near site of application will indicate the direction and velocity of air
movement. A temperature inversion is indicated by layering of smoke at some level above the ground and little or no lateral
movement.
Spray Drift Management
Avoiding spray drift at the application site is the responsibility of the applicator. The interaction of many equipment and
weather related factors determine the potential for spray drift. The applicator and the grower are responsible for considering all
these factors when making decisions. 
The following drift management requirements must be followed to avoid off-target drift movement from aerial applications:
The distance of the outer most operating nozzles on the boom must not exceed 75% of wingspan or 90% of rotor diameter.
Nozzles must always point backward parallel with the air stream and never be pointed downwards more than 45 degrees. 
Where states have more stringent regulations, they must be observed. 
The applicator should be familiar with and take into account the information covered in the following Aerial Drift Reduction
Advisory. (This information is advisory in nature and does not supersede mandatory label requirements.)
Aerial Drift Reduction Advisory
Information on Droplet Size: The most effective way to reduce drift potential is to apply large droplets. The best drift
management strategy is to apply the largest droplets that provide sufficient coverage and control. Applying larger droplets
reduces drift potential, but will not prevent drift if applications are made improperly, or under unfavorable environmental
conditions (see Wind, Temperature and Humidity, and Temperature Inversions).
Controlling Droplet Size:
Volume - Use high flow rate nozzles to apply the highest practical spray volume. Nozzles with higher rated flows produce
larger droplets.
Pressure - Do not exceed the nozzle manufacturer’s specified pressures. For many nozzle types, lower pressure produces
larger droplets. When higher flow rates are needed, use higher flow rate nozzles instead of increasing pressure.
Number of Nozzles - Use the minimum number of nozzles that provide uniform coverage. 
Nozzle Orientation - Orienting nozzles so that the spray is released parallel to the air stream produces larger droplets than
other orientations. Significant deflection from horizontal will reduce droplet size and increase drift potential.
Nozzle Type - Use a nozzle type that is designed for the intended application. With most nozzle types, narrower spray angles
produce larger droplets. Consider using low-drift nozzles. Solid stream nozzles oriented straight back produce the largest
droplets and the lowest drift. 
Boom Length: For some use patterns, reducing the effective boom length to less than 75% of the wingspan or 90% of rotor
length may further reduce drift without reducing swath width. 
Application Height: Do not make applications at a height greater than 10 feet above the top of the largest plants unless a
greater height is required for aircraft safety. Making applications at the lowest height that is safe reduces exposure of droplets
to evaporation and wind. 
Swath Adjustment: When applications are made with a crosswind, the swath will be displaced downwind. Therefore, on the
up and downwind edges of the field, the applicator must compensate for this displacement by adjusting the path of the aircraft
upwind. Swath adjustment distance should increase with increasing drift potential (higher wind, smaller drops, etc.). 
Wind: Drift potential is lowest between wind speeds of 2 to 10 mph. However, many factors, including droplet size and
equipment type, determine drift potential at any given speed. Avoid making applications below 2 mph due to variable wind
direction and high inversion potential. Note: Local terrain can influence wind patterns. Every applicator should be familiar with
local wind patterns and how they affect spray drift.
Temperature and Humidity: When making applications in low relative humidity, set up equipment to produce larger droplets
to compensate for evaporation. Droplet evaporation is most severe when conditions are both hot and dry.
Temperature Inversions: Do not apply during a local, low level temperature inversion because drift potential is high.
Temperature inversions restrict vertical air mixing, which causes small suspended droplets to remain in a concentrated cloud.
This cloud can move in unpredictable directions due to the light variable winds common during inversions. Temperature
inversions are characterized by increasing temperatures with altitude and are common on nights with limited cloud cover and
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light to no wind. They begin to form as the sun sets and often continue into the morning. Their presence can be indicated by
ground fog; however, if fog is not present, inversions can also be identified by the movement of the smoke from a ground
source or an aircraft smoke generator. Smoke that layers and moves laterally in a concentrated cloud (under low wind
conditions) indicates an inversion, while smoke that moves upward and rapidly dissipates indicates good vertical air mixing.
Sensitive Areas: Apply the 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). 
CROP ROTATION INTERVALS
The following rotational crops may be planted at the indicated interval following application of GR2 herbicide. 
Crop Rotation Intervals for All States Except Idaho, Oregon, and Washington
Superscripted numbers refer to Crop Specific Rotation Information.
Crop Specific Rotation Information:
1Minimum number of months that must elapse before planting other crops after application of GR2 herbicide.
2As a rotation crop, soybeans may be planted 3 months following an application of GR2 herbicide in February or later in the
following states: Alabama, Arkansas, Delaware, Georgia, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Missouri,
Mississippi, North Carolina, Nebraska, New Jersey, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas and
Virginia. However, to ensure adequate crop safety, avoid planting soybeans prior to April 30 following an application of GR2
herbicide made before February. All other states not listed require a minimum rotation interval of 5 months after an application
of GR2 herbicide.
3As a rotation crop, cotton may be planted 3 months following an application of GR2 herbicide in February or later in the
following states: Alabama, Arkansas, Georgia, Kansas, Kentucky, Louisiana, Missouri, Mississippi, North Carolina,
Oklahoma, South Carolina, Tennessee, Texas, and Virginia. However, to ensure adequate crop safety, avoid planting cotton
prior to April 30 following an application of GR2 herbicide made before February. All other states not listed require a
minimum rotation interval of 9 months after an application of GR2 herbicide.
As a rotation crop, grain sorghum and sunflowers may be planted 3 months following an application of GR2 herbicide in
February or later in the following states: Alabama, Arkansas, Colorado, Delaware, Georgia, Illinois, Indiana, Kansas,
Kentucky, Louisiana, Maryland, Missouri, Mississippi, North Carolina, Nebraska, New Jersey, Ohio, Oklahoma, Pennsylvania,
South Carolina, Tennessee, Texas, and Virginia. However, to ensure adequate crop safety, avoid planting sunflowers and grain
sorghum prior to April 30 following an application of GR2 herbicide made before February. All other states not listed require a
minimum rotation interval of 9 months after an application of GR2 herbicide.
 Rotation Interval
Crop (Months) 1
wheat, triticale 1
soybean2 5
barley, field corn, grasses, millet, oats, 9
popcorn, seed corn, sweet corn, grain
sorghum4, sunflower4
alfalfa, camelina, canola, chickpea,
cotton
3, dry bean, pea (dry and
succulent), flax, lentil, mustard, peanuts,
potato, safflower, sugar beet, sunflower 
other crops not listed 12
6

Crop Rotation Intervals for Idaho, Oregon, and Washington
Superscripted numbers refer to Crop Specific Rotation Information.
Crop Specific Rotation Information:
1Minimum number of months that must elapse before planting other crops after application of GR2 herbicide.
2Including irrigation.
3Pulse crops, including chickpea, lentil, and pea (dry and succulent), and potatoes may be planted 10 months after application if
the soil pH is uniformly 6 or greater AND total rainfall (including irrigation) during the interval is greater than 16 inches. If the
soil pH is less than 6 OR total rainfall (including irrigation) is less than 16 inches, then the rotation interval is 18 months.
Note: GR2 herbicide is degraded primarily by microbial activity and breaks down more rapidly under favorable soil moisture
and temperature conditions. Correspondingly, the rate of degradation may be slower under extreme conditions of drought or
cold temperatures. When soil moisture conditions are abnormally dry during the interval between an application of GR2
herbicide and planting the next crop, conduct a field bioassay by planting test strips of the desired rotational crop. Monitor the
test strips during germination and emergence for any abnormal growth to determine if the rotational crop can be grown
successfully.
Mixing Directions
GR2 herbicide - Alone
1. Fill the tank with 1/2 of the total amount of water.
2. Start agitation.
3. Add the required amount of GR2 herbicide.
4. Add the required amount of adjuvant (refer to Adjuvants section).
5. Continue agitation while filling the spray tank to the required volume.
6. To ensure a uniform spray mixture, continuous agitation is required during application. If product is allowed to settle,
thoroughly agitate to resuspend the mixture before spraying. Apply mixture immediately after it is prepared.
GR2 herbicide - Tank Mix
If a broader spectrum of weed control is needed, GR2 herbicide may be tank mixed with labeled rates of other herbicides
provided (1) the tank mix product is labeled for the timing and method of application for the use site to be treated; and (2) tank
mixing is not prohibited by the label of the tank mix product.
Tank Mixing Precautions:
Read carefully and follow all applicable use directions, precautions, and limitations on the respective product labels.
Always perform a (jar) test to ensure the compatibility of products to be used in tank mixture.
Tank Mixing Restrictions:
Do not mix with products containing dicamba or amine formulations of 2,4-D or MCPA as these products may reduce grass
control provided by GR2 herbicide.
Do not tank mix with organophosphate insecticides as these mixtures may result in unacceptable crop injury.
Do not exceed specified application rates for respective products or maximum allowable application rates for any active
ingredient in the tank mix.
Tank Mix Compatibility Testing: Perform a jar test prior to tank mixing to ensure compatibility of GR2 herbicide and other
pesticides. Use a clear glass quart jar with lid and mix the tank mix ingredients in their relative proportions. Invert the jar 
Rotation Interval (Months)1
Crop Soil pH >6 and Rainfall 2 >16 Inches Soil pH <6 or Rainfall2 <16 Inches
wheat, triticale 1 1
barley, field corn, grasses, millet, 10 10
oats, popcorn, seed corn, sweet corn, 
grain sorghum
alfalfa, camelina, canola, cotton, 
dry bean, flax, mustard, peanuts, 
safflower, soybean, sugar beet, 
sunflower
pulse crops3 including chickpea, 18
lentil, and pea (dry and succulent), 
potato3
other crops not listed 12
7

containing the mixture several times and observe the mixture for approximately 1/2 hour. If the mixture balls-up, forms flakes,
sludges, jels, oily films or layers, or other precipitates, it is not compatible and the tank mix combination should not be used. 
Vigorous, continuous agitation during mixing, filling and throughout application is required for all tank mixes. Sparger pipe
agitators generally provide the most effective agitation in spray tanks. To prevent foaming in the spray tank, avoid stirring or
splashing air into the spray mixture.
Mixing Order for Tank Mixes:
1. Fill the spray tank to 3/4 of the total spray volume required with water.
2. Start agitation.
3. Add GR2 herbicide and agitate for 2 to 3 minutes
4. After adding GR2 herbicide, add different formulation types in the following order: (1) dry flowables; (2) wettable powders;
(3) aqueous suspensions, flowables and liquids. Maintain agitation and add: (4) emulsifiable concentrates; (5) solutions; and (6)
adjuvants. Allow time for complete mixing and dispersion after each addition.
5. Finish filling the spray tank. Maintain continuous agitation during mixing and throughout application. If product is allowed
to settle, thoroughly agitate to resuspend the mixture before spraying. Apply mixture immediately after it is prepared. 
If application or agitation must be stopped before the spray tank is empty, the materials may settle to the bottom. Settled
materials must be resuspended before spraying is resumed. A sparger agitator is particularly useful for this purpose. Settled
material may be more difficult to resuspend than when originally mixed.
Clean-Out Procedures for Spray Equipment
1. Drain any remaining spray mixture from the application equipment.
2. Hose down the interior surfaces of the tank while filling the tank 1/2 full of water.
3. Add commercial tank cleaner, such as household ammonia at a rate of 1 gallon per 100 gallons of water. Recirculate for 5
minutes and spray out part of this mixture for 5 minutes through the boom. Drain tank.
4. Remove all spray nozzles and screens and clean separately.
5. If spray equipment will be used for pesticide application to crops sensitive to GR2 herbicide, repeat steps 1 through 3.
Additional steps may be required to remove all traces of GR2 herbicide including replacing hoses or other fittings that may
contain adsorbed actives.
6. Thoroughly clean exterior surfaces of spray equipment.
Note: Rinsate may be disposed of on site according to label use directions or at an approved waste disposal facility.
8

WEEDS CONTROLLED (C) OR SUPPRESSED (S)
Best results are obtained when grass weeds are treated at the 2-leaf to 2-tiller stage of growth and before broadleaf weeds are
larger than 2 inches tall or 2 inches in diameter. Best control is achieved when applications are made to actively growing
weeds. Control may be reduced when weeds are exposed to drought or extreme temperatures. GR2 herbicide will not
control known ALS (Group 2) resistant biotypes of labeled weeds.
Common name 
Grass Weeds
barley, foxtail
barnyardgrass
blackgrass
bluegrass, bulbous
brome, downy
brome, Japanese
brome, ripgut
canarygrass, hood
canarygrass, littleseed
cheat
chess, hairy
corn, volunteer
darnel, Persian
fescue,rattail
foxtail, green
foxtail, yellow
oat, wild
quackgrass
rescuegrass
ryegrass, Italian
windgrass
Scientific Name
Hordeum jubatum
Echinocloa crus-galli
Alopecurus myosuroides
Poa bulbosa
Bromus tectorum
Bromus japonicus
Bromus diandrus
Phalaris paradoxa
Phalaris minor
Bromus secalinus
Bromus commutatus 
Zea mays
Lolium persicum 
Vulpia Myuros
Setaria viridis
Setaria pumila
Avena fatua
Elymus repens 
Bromus catharticus
Lolium perenne
Apera spica-venti
S
C
C
C
S
C
C
S
S
C
C
C
C4
S
S
C4
C
S
S
C
C
9

1Control may be reduced when application is made after bolting
2Including herbicide-tolerant canola varieties except Clearfield (imidazolinone-tolerant) canola.
3Less than 2 inches tall. For control of lambsquarters over 2 inches tall, tank mix with 0.25 lb ae 2,4-D ester or MCPA ester.
For control of Russian thistle over 2 inches tall, tank mix with 0.25 lb ae 2,4-D ester. 
4One to four-leaf stage of growth.
Broadleaf Weeds
bedstraw, catchweed (cleavers)
bittercress, hairy
buckwheat, wild
burclover, spotted
buttercup, smallflower
canola, volunteer (wild turnip) 2
chickweed, common
chickweed, mouseear
clover, white
coreopsis, plains
evening-primrose, cutleaf
falseflax, smallseed 1
fiddleneck, coast
Flixweed1
geranium, Carolina 
gromwell, corn
hempnettle, common
henbit
lambsquarters, common
mustard, black
mustard, blue1
mustard, tumble1
mustard, wild
mustard, wormseed1
pennycress, field1
pepperweed, Virginia
pigweed, redroot
shepherd’s-purse1
smartweed, annual
tansymustard, pinnate1
thistle, Russian
vetch, hairy
wallflower, bushy1
Galium aparine
Cardamine hirsuta L.
Polygonum convolvulus
Medicago arabica
Ranunculus abortivus L.
Rapistrum rugosum
Stellaria media
Cerastium fontanum
Trifolium repens L
Coreopsis tinctoria Nutt.
Oenothera laciniata Hill
Camelina microcarpa
Amsinckia intermedia
Descurainia sophia
Geranium carolinianum L.
Buglossoides arvensis
Galeopsis tetrahit
Lamium amplexicaule
Chenopodium album
Brassica nigra
Chorispora tenella
Sisymbrium altissimum
Sinapis arvensis
Erysimum cheiranthoides
Thlaspi arvense
Lepidium virginicum
Amaranthus retroflexus
Capsella bursa-pastoris
Polygonum sp.
Descurainia pinnata
Salsola tragus
Vicia villosa Roth
Erysimum repandum
C
C
S
C
C
C
C
C
C
S
S
C
C
C
C
C
C
S
C3
C
C
C
C
C
C
C
C
C
C
C
C3
C
C
10

Storage and Disposal
Pesticide Storage: Store product in original container only. Do not contaminate water, other pesticides, fertilizer, food
or feed in storage. Store in a cool, dry place.
Pesticide Disposal: Do not contaminate water, food, or feed by disposal. Waste 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 product’s labeling for the applicable
“Nonrefillable Container” or “Refillable Container” designation.
Nonrefillable Plastic and Metal Containers (Capacity Equal to or Less Than 50 Pounds): 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. Fill the container 1/4 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, or by incineration. Do not
burn, unless allowed by state and local ordinances. For Metal Containers, offer for recycling if available or
reconditioning if appropriate, or puncture and dispose of in a sanitary landfill, or by other procedures approved by state
and local authorities.
Nonrefillable Plastic and Metal Containers (Capacity Greater Than 50 Pounds): 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. Fill the container 1/4 full with water. Replace
and tighten closures. Tip container on its side and roll it back and forth, ensuring at least one complete revolution, for
30 seconds. Stand the container on its end and tip it back and forth several times. Turn the container over onto its other
end and tip it back and forth several times. Empty the rinsate into application equipment or a mix tank or store rinsate
for later use or disposal. Repeat this procedure two more times. Then, for Plastic Containers, offer for recycling if
available or puncture and dispose of in a sanitary landfill, or by incineration. Do not burn, unless allowed by state and
local ordinances. For Metal Containers, offer for recycling if available or reconditioning if appropriate, or puncture and
dispose of in a sanitary landfill, or by other procedures approved by state and local authorities.
Nonrefillable Plastic and Metal Containers, 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 manufacturer’s 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, or by
incineration. For Metal Containers, offer for recycling if available or reconditioning if appropriate, or puncture and
dispose of in a sanitary landfill, or by other procedures approved by state and local authorities.
Nonrefillable Paper or Plastic Bags, Fiber Sacks including Flexible Intermediate Bulk Containers (FIBC) or
Fiber Drums With Liners: Nonrefillable container. Do not reuse or refill this container. Completely empty paper or
plastic bag, fiber sack or drum liner by shaking and tapping sides and bottom to loosen clinging particles. Empty
residue into application or manufacturing equipment. Then offer for recycling if available or dispose of empty paper or
plastic bag, fiber sack or fiber drum and liner in a sanitary landfill, or by incineration. Do not burn, unless allowed by
state and local ordinances. 
Refillable Fiber Drums With Liners: Refillable container (fiber drum only). Refilling Fiber Drum: Refill this fiber
drum with GR2 herbicide containing pyroxsulam only. Do not reuse this fiber drum for any other purpose.
Cleaning before refilling is the responsibility of the refiller. Completely empty liner by shaking and tapping sides and
bottom to loosen clinging particles. Empty residue into application or manufacturing equipment. Disposing of Fiber
Drum and/or Liner: Do not reuse this fiber drum for any other purpose other than refilling (see preceding). Cleaning
the container (liner and/or fiber drum) before final disposal is the responsibility of the person disposing of the
container. Offer the liner for recycling if available or dispose of liner in a sanitary landfill, or by incineration. Do not
burn, unless allowed by state and local ordinances. If drum is contaminated and cannot be reused, dispose of it in the
manner required for its liner. To clean the fiber drum before final disposal, completely empty the fiber drum by
shaking and tapping sides and bottom to loosen clinging particles. Empty residue into application or manufacturing
equipment. Then offer the fiber drum for recycling if available or dispose of in a sanitary landfill, or by incineration.
Do not burn, unless allowed by state and local ordinances.
11

NOTICE TO BUYER: Purchase of this material does not confer any rights under patents of countries outside of the
United States.
FMC is a trademarks of FMC Corporation or an affiliate.
SL - 2007-1 0601 8 06-24-16
All Other Refillable Containers: Refillable container. Refilling Container: Refill this container with GR2
herbicide containing pyroxsulam 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 the container, contact FMC 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 FMC 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 manufacturer’s
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, or by incineration. Do not burn, unless
allowed by state and local ordinances. For Metal Containers, offer for recycling if available or reconditioning if
appropriate, or puncture and dispose of in a sanitary landfill, or by other procedures approved by state and local
authorities.
Outer Foil Pouches of Water Soluble Packets (WSP): Nonrefillable container. Do not reuse or refill this container.
Offer for recycling if available or, dispose of the empty outer foil pouch in the trash as long as WSP is unbroken. If the
outer pouch contacts the formulated product in any way, the pouch must be triple rinsed with clean water. Add the
rinsate to the spray tank and dispose of the outer pouch as described previously. 
Do not transport if this 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 CHEMTREC (Transportation and Spills) at 1-800-424-9300, day or 
night.
12
cks, pun
t FMC a
dck for l
t FMC 
t
7-1 0601 8 
is a trademarks of FMC Corporation or an affiliate.FMC i
leaking. If the container is damaged, leakin
t CHEMTREC (Transportation and Spills) a
olete, or in 
-424-9300, 
Removed old DuPont trademark designation

13
FMC Corporation, 2929 Walnut Street, Philadelphia, PA 19104 
© 2016-2018 FMC Corporation. All rights reserved.
CONDITIONS OF SALE AND LIMITATION OF WARRANTY AND LIABILITY 
Notice: Read the entire Directions for Use and Conditions of Sale and Limitation of Warranty and Liability before buying or
using this product. If the terms are not acceptable, return the product at once, unopened, and the purchase price will be refunded. 
The Directions for Use of this product must be followed carefully. It is impossible to eliminate all risks inherently associated with
the use of this product. Crop injury, ineffectiveness, or other unintended consequences may result because of such factors as
manner of use or application, weather or crop conditions beyond the control of FMC or Seller. To the extent consistent with
applicable law, all such risks shall be assumed by Buyer and User, and, to the extent consistent with applicable law, Buyer and
User agree to hold FMC and Seller harmless for any claims relating to such factors.
Seller warrants that this product conforms to the chemical description on the label and is reasonably fit for the purposes
stated on the Directions for Use when used in accordance with the directions under normal conditions of use. TO THE
EXTENT CONSISTENT WITH APPLICABLE LAW, FMC MAKES NO WARRANTIES OF MERCHANTABILITY
OR OF FITNESS FOR A PARTICULAR PURPOSE, NOR ANY OTHER EXPRESS OR IMPLIED WARRANTIES
WITH RESPECT TO THE SELECTION, PURCHASE, OR USE OF THIS PRODUCT. Any warranties, express or
implied, having been made are inapplicable if this product has been used contrary to label instructions, or under
abnormal conditions, or under conditions not reasonably foreseeable to (or beyond the control of) Seller or FMC, and, to
the extent permitted by applicable law, Buyer assumes the risk of any such use.
To the extent consistent with applicable law, FMC or Seller shall not be liable for any incidental, consequential or special
damages resulting from the use or handling of this product. TO THE EXTENT CONSISTENT WITH APPLICABLE LAW,
THE EXCLUSIVE REMEDY OF THE USER OR BUYER, AND THE EXCLUSIVE LIABILITY OF FMC AND SELLER
FOR ANY AND ALL CLAIMS, LOSSES, INJURIES OR DAMAGES (INCLUDING CLAIMS BASED ON BREACH OF
WARRANTY, CONTRACT, NEGLIGENCE, TORT, STRICT LIABILITY OR OTHERWISE) RESULTING FROM THE USE
OR HANDLING OF THIS PRODUCT, SHALL BE THE RETURN OF THE PURCHASE PRICE OF THE PRODUCT OR, AT
THE ELECTION OF FMC OR SELLER, THE REPLACEMENT OF THE PRODUCT.
This Condition of Sale and Limitation of Warranty and Liability may not be amended by any oral or written agreement.
CONDITIONS OF SALE AND LIMIF TATT TION OAA F WARRANTWW Y AND LIABILITY Y
Notice: Read the entire Directions for Use and Conditions of Sale and Limitation of Warranty and Liability before buying oryy y g
using this product. If the terms are not acceptable, return the product at once, unopened, and the purchase price will be refunded. 
The Directions for Use of this product must be followed carefully. It is impossible to eliminate all risks inherently associated withpy p y
the use of this product. Crop injury, ineffectiveness, or other unintended consequences may result because of such factors aspp j y , , q y
manner of use or application, weather or crop conditions beyond the control of FMC or Seller. To the extent consistent withpp , p y
applicable law, all such risks shall be assumed by Buyer and User, and, to the extent consistent with apa plicable law, Buyer andpp , y y , ,
User agree to hold FMC and Seller harmless for any claims relating to such factors.
Seller warrants that this product conforms to the chemical description on the label and is reasonably fit for the purposespp y p p
stated on the Directions for Use when used in accordance with the directions under normal conditions of use. TO THE
EXTENT CONSISTENT WITH APPLICABLE LAW, FMC MAKES NO WARRANTIES OF MERCHANTABILITY,
OR OF FITNESS FOR A PARTICULAR PURPOSE, NOR ANY OTHER EXPRESS OR IMPLIED WARRANTIES,
WITH RESPECT TO THE SELECTION, PURCHASE, OR USE OF THIS PRODUCT. Any warranties, express or,, y , p
implied, having been made are inapplicable if this product has been used contrary to label instructions, or underp, g p p p y ,
abnormal conditions, or under conditions not reasonably foreseeable to (or beyond the control of) Seller or FMC, and, to,y ( y
the extent permitted by applicable law, Buyer assumes the risk of any such use.
To the extent consistent with applicable law, FMC or Seller shall not be liable for any incidental, consequential or specialpp , y , q p
damages resulting from the use or handling of this product. TO THE EXTENT CONSISTENT WITH APPLICABLE LAW,gg g p ,
THE EXCLUSIVE REMEDY OF THE USER OR BUYER, AND THE EXCLUSIVE LIABILITY OF FMC AND SELLER,
FOR ANY AND ALL CLAIMS, LOSSES, INJURIES OR DAMAGES (INCLUDING CLAIMS BASED ON BREACH OF,, (
WARRANTY, CONTRACT, NEGLIGENCE, TORT, STRICT LIABILITY OR OTHERWISE) RESULTING FROM THE USE,, , , )
OR HANDLING OF THIS PRODUCT, SHALL BE THE RETURN OF THE PURCHASE PRICE OF THE PRODUCT OR, AT,
THE ELECTION OF FMC OR SELLER, THE REPLACEMENT OF THE PRODUCT.
This Condition of Sale and Limitation of Warranty and Liability may not be amended by any oral or written agreement.f
FMC Corporation, 2929 Walnut Street, Philadelphia, PA 19104
6- FMC Corporation. A-2018 F