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Weed Response to Herbicides Used In Peanuts
Compiled by Dr. Jason Ferrell, University of Florida Weed Science.
   
PPI
PRE
AC
    Prowl, Sonalan Treflan4 Dual Magnum Intro2 Pursuit1 Strongarm Strongarm Dual
Magnum
or Intro2		 Dual
Magnum
or Intro2		 Valor Dual
Magnum
or Intro2		 Pursuit
PERENNIALS bermudagrass P P P P P P P P P P P P
johnsongrass (rhizome) P P P P P P P P P P P P
nutsedge, purple P P P P G F F P-F P P P G
nutsedge, yellow P P F-G F F-G F F F F P F F-G
GRASSES
(ANNUAL)		 broadleaf signalgrass G G G G G P P G-E G P G F
crabgrass E E E E F P P E G P G F
crowfootgrass E E E E P P P E G P G P
fall panicum G G G G P-F P P G G P G F
foxtail E G-E E E G P P E E P E G
goosegrass E G-E E E F P P E G P G F
johnsongrass (seedling) G G F P-F G P P P-F F P P-F G
sandbur G-E G-E F-G F-G P P P F-G F P F  
Texas panicum G-E G-E P-F P-F P-F P P P-F P P P P-F
BROAD-
LEAVES		 bristly starbur P P P P F E E F-G P F-G F F-G
burgherkin P P P P E F F G P F-G P F-G
citronmelon P P P P P-F F F   P F P P
cocklebur P P P P G-E G G P-F P F P E
coffee senna P P P P F-G P P F P P-F P F-G
copperleaf P P P P P E E P P G-E P P
cowpea P P P P P F F P P P-F P P
crotalaria P P P P P-F       P P-F P  
croton, tropic or woolly P P P P P P-F P-F G P G P P
day flower3 P P F P-F P-F P P-F F F-G G F P-F F-G P-F
eclipta P P P-F P-F P G-E G-E P-F P-F G-E P-F P-F
Florida beggarweed P P P-F F P G G G-E F E F-G P
Florida pusley E E G-E G-E G G-E G-E G-E G G-E G F
hairy indigo P P P P P G G G F G F P
jimsonweed P P P P G G-E G-E F-G P G P G
lambsquarters E E F F F F-G F-G G G E G P
morningglory spp. P P P P G G F-G P-F P G P G-E
morningglory, cypressvine P P P P G F-G F-G F P G P G
morningglory, pitted P P P P G-E F-G F-G P-F P G-E P F-G
morningglory, smallflower P P P P E G-E G-E F P E P E
pigweeds G-E G-E G G E G G G G E G E
prickly sida P P F F G-E F-G F-G G-E F G-E F G
ragweed P P P P P G-E G-E G P G P  
redweed P P P   G G G G F-G G F-G  
sicklepod P P P F P P P F-G F P F-G P
smartweed P-G P-G P P G G G F P P P F-G
spider flower P P     G     P     F-G G
spurred anoda P P P P G F-G F-G F P G P F-G
velvetleaf P P P P F-G G-E G-E F-G P F P G
wild poinsettia P P P P E G G P P G P G
wild radish P P P P E     F P   P E

E=Excellent, G=Good, F=Fair, P=Poor. PPI=Preplant Incorporated PRE=Preemergence AC=At-Cracking (usually 6-14 days after planting).
1Ratings for Pursuit PPI and PRE are similar. 2Not Labeled for use in Florida. 3Ratings for tropical spiderwort are similar. 4For Texas, Okla. and N.M. only. If no letter is given, response is unknown. Generic formulations are available for many products.

Compiled by Dr. Jason Ferrell, University of Florida Weed Science.

 
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