# DUPONT LEXONE DF HERBICIDE

- EPA Reg No: **352-390**
- Registrant: CORTEVA AGRISCIENCE, LLC
- Signal word: Caution
- Active ingredients: Metribuzin (75%)
- Label accepted: 1997-12-11
- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/000352-00390-19971211.pdf

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DuPont Agricultural 
Products 
" ...... A Growing Partnership With Nature" 
LEXONE® DF HERBICIDE 
FOR WEED CONTROLIN 
ESTABLISHED TOMATOES 
,.J,,\0 
LEXONE® DF lIERBICIDE 
(EPA REG NO. 352-390) DEC I I f9~7 
FOR WEED CONTROL IN ESTABLISHED 
DIRECTIONS FOR USE 
It is a violation of federal law to use this product in a manner 
inconsistent with its labeling. 
General Information 
DuPont LEXONE DF Herbicide is recommended for postemer­
gence weed control in establisbed tomatoes. 
Weeds Controlled 
113 to 213 lb 
LEXONE DFlAcre 
Carpetweed 
Jimsonweed 
Pigweeds 
Common Purslane 
Velvetleaf 
Wild Mustard 
Cheeseweed 
Larnbsquarters 
Ito 1113lb 
LEXONE DF/Acre 
Cortifnon Ragweed _ 
Pennsylvania Smartweed 
. Yellow FoxtaIl 
For best results, treat when weeds are small, I to 2" tall or 
across, and actively growing. 
Weeds Suppressed 
1 to 11l3lb 
LEXONE DFIAcre 
BroadcaStSp';;:raa:yy (j~x(:-;;1111PoFia~5~':;:::~..L::--1 
Apply LEXONE DF at 1/3 to 113 lb per acre as a single applica­
tion. For split applications, apply 1/3 to 112 lbs per acre per 
treatment, allowing 14 days between treatments. INTERVALS 
SHORTER TIlAN 14 DAYS MAY RESULT IN SIGNIFICANT 
CROP lNJURY AND ARE TIIE RESPONSIBILITY OF TIlE 
l§l;ffi. Do not exceed 2 broadcast treatments per crop season. 
Use the lower use rate on soils of 112 to 2% organic matter and 
the higher rate on soils with more than 2% organic matter. Do 
. not apply witilln 7 days of harvest. Do not use with surfactant. 
Do not rank mix. Do not apply within 24 hours of other chemi­
ca! treatments. 
Directed Spray 
Apply LEXONE DF at 213 to 1 1/3 Ibs per acre as a single or 
split application. allowing 14 days between treattnents for split 
applications. INTERVALS SHORTER TBAN 14 DAYS MAY 
RESULT IN SIGNIfICANT CROP INJURY AND ARE THE 
RESPONSIBILITY OF'I1l:E USER DO NOT EXCEED 1 1/3 
LBS. PER ACRE PER CROP SEASON. Avoid spray contact 
with tomato foliage. Use this method of treatment in fields with 
severe weed pressure and in fields with bard to control weeds. 
Do not apply within 7 days of harvest. Use the lower rate on 
soils with I12 to 2% organic matter and the higher mte on soils 
with more than 2% organic matter. Do not use with surfactant. 
Crop Rotation 
Soybeans, potatoes, alfalfa, asparagus, tomatoes, corn, barley, 
These weeds must be treated before they are more than I" tall in wheat, forage grasses, and sainfoin may be planted in treated 
order to suppress their growth. areas 4 months after application of LEXONE OF. Peas and 
lentils may be planted in treated areas 8 months after application 
Barnyardgrass 
Hairy Nightshade 
.. - of LEXONE OF. Do not apply LEXONE Df.to.~ rotational 
Apply LEXONE DF at the recommended mtes per acre-in 20 to crop dnring the same year. Do not plant any crop not listed above 
50 gallons of water. Use a properly calibrated, fixed-boom within 18 months after use of LEXONE DF, ~i rover crops 
sprayer to assure uniform coverage. Spray booms must be shut planted to prevent soil erosion or Fi< ~oi~ building PrfPOses. 
off while starting, turning, slowing, orstopping as crop injury Such crops may be planted at :~ny' tilne af1Fr,a.!i~llication of' 
may result. Continuous agitation is-required to keep-the material LEXONE DF, but do not gaze at h~Ne/;t them for feed or food. 
HOW TO USE 
in suspension. Stand reduction of these cover crops m'ay occur in soThe areas. 
c. II. .. " .. c .... I. 
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© 1997 E. I. du Pont de Nemours and Company, DuPont Agricultural Products, Wilmington, Dela..,.",'l!lj!98 
Page 1 of2 
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IMPORTANT N<JTES
o 
ON~-APPLlCATmN: IMPORTANT 
; TIMING: BEFORE USING "LEXONE" DF, READ AND FOLLOW 
-===- -- ----~ -- --ALL-APPLICABLE DIRECTIONS, RESTRICTIONS AND Significant crop injury-mayrt:>wfif;-
I)Application of LEX ODE DF is made to direcfsee<Ied-
. tomatoes earlier than the 5 to 6 'true leaf stage of growth, or 
2)Application of LEX ONE DF is made to transplant tomatoes 
prior to their recovery from transplant shock, and prior to the 
evidence of new growth, or 
3)Application of LEX ONE DF is made before at least 3 
successive days of sunny weather., 
APPLICATION OF LEX ONE DF TO TOMATOES 
EARLIER THAN THE ABOVE-MENTIONED GROWTH 
STAGE OR INTERVALS MAy REStJLTIN SIGNmCANT 
CROP INJURY AND ARE THE RESPONSIBILITY OF 
THE USER. 
ADDITIONAL NOTES: 
Do not treat plants lacking in vigor due to previous presticide 
injury, insect damage; disease, high alkalinitY: drOllgh stress, or 
other causes. Do not use hot caps on tomatoes within 7 days 
before, or any time afier, application oflEXONEDF. Crop 
injury or delayed maturity may result frOm adverse growing con_­
ditions prior to or immediately after treatment. Do not use in 
!;Cern County, California - unless directed otherWise by supple­
mental labeling. Do not use more than I 113 lbs of LEXONE 
DF .per acre per crop seasolL Do not apply to soils containing 
less than 112% organic matter. Do not use on soils having a cal- -
careous surface area or a pH of 7.5 or higher, as crop injury may 
result. 
PRECAUTIONS ON THE EPA-REGISTERED LABEL. 
This bulletin contains new or supplemental instructions for use 
of this product which do not appear on the EPA-registered 
package label. Follow the instructions carefully. 
This labeling must be in the possession of the user at the time of 
pesticide application. 
041195 
(Replaces H-62801). . 
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© 1997 E.I. du Pont de Nemonrs and Company, DuPont Agricultural Products, Wilmington, Delaware 19898 
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