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How to Manage Pests
UC Pest Management Guidelines
Cotton
Susceptibility of Weeds to Herbicide Control
(Reviewed 1/08,
updated 8/09)
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In this Guideline:
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More about weeds in cotton:
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Susceptibility of Weeds to Herbicide Control
| Customize list of weeds |
| ANNUAL WEEDS |
| barley, foxtail |
| barley, hare |
| barnyardgrass |
| bluegrass, annual |
| bromegrasses |
| canarygrass |
| chickweeds |
| clovers |
| cockleburs |
| crabgrass, large |
| cudweeds |
| cupgrasses |
| fescues |
| fiddlenecks |
| filarees |
| fingergrasses |
| fleabane, hairy |
| foxtails (bristlegrass) |
| goosefoot, nettleleaf |
| groundcherries |
| groundsels |
| henbit |
| horseweed |
| junglerice |
| knotweed, common |
| lambsquarters, common |
| lettuce, prickly |
| lovegrasses |
| mallow, little (cheeseweed) |
| miner's lettuce |
| morningglory |
| mustards |
| nettles |
| nightshades |
| oat, wild |
| pigweeds |
| pineapple-weed |
| polypogon, rabbitsfoot |
| puncturevine |
| purslane, common |
| radish, wild |
| redmaids (desert rockpurslane) |
| rocket, London |
| ryegrasses |
| sandburs |
| shepherd's-purse |
| sowthistles |
| speedwells |
| sprangletops |
| spurges |
| sunflower, common |
| thistle, Russian |
| thornapple, Chinese |
| velvetleaf |
| witchgrass |
| PERENNIAL WEEDS |
| bermudagrass (established) |
| bermudagrass (seedling) |
| bindweed, field (established) |
| bindweed, field (seedling) |
| datura, sacred |
| johnsongrass (established) |
| johnsongrass (seedling) |
| knapweed, Russian |
| nightshade, silverleaf |
| nutsedge, purple |
| nutsedge, yellow |
| sida, alkali |
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| PREEMERGENT |
|---|
| DIU |
MEO |
MET* |
OXY |
PEN |
PRM |
TRI |
| — | — | — | — | — | — | — |
| C | P | C | P | C | P | C |
| C | C | C | P | C | N | C |
| C | C | C | P | C | C | C |
| C | — | C | P | C | N | C |
| C | C | C | P | C | P | C |
| C | C | C | P | C | C | C |
| C | N | N | C | N | C | N |
| C | — | C | P | N | C | N |
| C | C | C | C | C | P | C |
| C | N | C | P | N | P | N |
| C | C | C | P | C | P | C |
| C | — | C | P | C | P | C |
| C | N | C | C | C | C | C |
| C | N | C | C | P | C | P |
| C | — | C | — | — | P | C |
| C | N | C | P | N | C | N |
| C | C | C | P | C | C | C |
| C | P | C | C | C | C | C |
| C | C | C | C | N | C | N |
| C | N | C | C | N | C | N |
| N | — | C | C | P | C | P |
| C | N | C | P | N | C | N |
| C | C | C | P | C | P | C |
| C | N | C | C | C | C | C |
| C | P | C | C | C | C | C |
| C | — | C | C | N | P | N |
| C | C | C | P | C | P | C |
| P | P | C | C | N | P | N |
| C | — | C | C | C | C | C |
| N | N | C | P | N | P | N |
| C | N | C | C | N | C | N |
| C | C | C | C | P | C | P |
| C | C | C | C | N | C | N |
| P | N | C | P | N | P | N |
| C | C | C | C | C | C | C |
| C | — | C | P | N | C | N |
| C | C | C | P | C | C | C |
| N | — | C | P | P | P | P |
| C | C | C | C | C | C | C |
| C | N | C | C | N | C | N |
| C | — | C | C | C | C | C |
| C | N | C | C | N | C | N |
| C | C | C | P | C | P | C |
| N | C | C | N | C | N | C |
| C | P | C | C | N | N | N |
| C | P | C | C | N | C | N |
| N | — | C | C | P | C | P |
| N | C | C | P | — | N | C |
| N | N | C | P | N | P | N |
| C | N | P | C | N | C | N |
| N | P | C | P | P | P | P |
| — | — | — | — | — | — | — |
| — | P | C | — | N | — | N |
| C | — | C | P | C | P | C |
| |
| N | N | P | N | N | N | N |
| N | N | C | N | C | P | C |
| N | N | P | N | N | N | N |
| P | N | P | N | N | P | N |
| N | — | P | N | N | N | N |
| N | N | P | N | N | N | N |
| N | C | P | N | P | N | P |
| N | — | P | N | N | N | N |
| N | N | P | N | N | N | N |
| N | N | P | N | N | N | N |
| N | P | C | N | N | N | N |
| N | — | P | N | N | N | N |
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| POSTEMERGENT |
|---|
| CAR |
CLE |
FLM |
FLU |
GLU |
GLY |
MSM |
PAR* |
PRS |
PYR |
TSS |
SET |
| N | — | — | — | — | — | — | — | — | N | N | — |
| N | C | — | C | — | C | N | C | N | N | N | C |
| N | C | C | P | C | C | N | N | N | N | N | C |
| N | C | C | N | C | C | C | C | N | N | N | N |
| N | P | — | P | C | C | P | C | N | N | N | P |
| N | C | — | C | C | C | N | C | N | N | N | C |
| C | N | C | N | C | C | C | C | — | C | C | N |
| — | N | C | N | C | C | N | P | N | — | — | N |
| P | N | — | N | C | C | P | C | C | C | C | N |
| N | C | C | C | C | C | N | C | N | N | N | C |
| — | N | — | N | C | C | N | N | N | — | — | N |
| N | C | — | C | C | C | P | C | N | N | N | C |
| N | P | — | P | — | C | N | C | N | N | N | P |
| C | N | — | N | C | C | N | C | N | C | — | N |
| C | N | — | N | C | P | N | P | — | — | — | N |
| N | C | — | C | — | C | C | C | N | N | N | — |
| N | N | C | N | C | C | N | C | — | N | N | N |
| N | C | — | N | C | C | P | C | N | N | N | C |
| — | N | — | N | C | C | N | C | C | — | — | N |
| C | N | C | N | C | C | P | C | P | C | — | N |
| C | N | C | N | C | C | N | C | — | C | — | N |
| — | N | C | N | C | C | N | C | — | — | — | N |
| P | N | C | N | C | C | N | C | — | P | P | N |
| N | C | C | C | C | C | N | P | N | N | N | C |
| — | N | — | N | C | C | N | P | C | — | — | N |
| C | N | C | N | C | P | N | P | N | C | — | N |
| — | N | — | N | C | C | N | C | N | — | — | N |
| N | C | — | C | — | C | N | C | N | N | N | C |
| C | N | C | N | C | P | N | N | N | C | — | N |
| — | N | — | N | — | C | N | C | — | — | — | N |
| C | N | C | N | C | C | P | P | P | C | C | N |
| P | N | — | N | C | C | N | C | C | C | — | N |
| C | N | C | N | C | C | N | C | P | C | — | N |
| P | N | C | N | C | C | P | C | C | C | — | N |
| N | C | C | C | C | C | N | P | N | N | N | C |
| C | N | C | N | C | C | N | C | C | C | C | N |
| N | N | — | N | C | C | N | C | — | — | — | N |
| N | C | — | C | — | C | N | C | N | N | — | C |
| — | N | C | N | C | C | P | C | P | — | — | N |
| N | N | C | N | C | C | P | C | P | C | C | N |
| P | N | — | N | C | C | N | P | — | — | — | N |
| — | N | C | N | — | C | P | C | — | — | — | N |
| C | N | — | N | C | C | N | C | C | — | — | N |
| N | C | — | C | — | C | P | C | N | N | N | C |
| N | C | — | C | C | C | C | C | N | N | N | C |
| P | N | C | N | C | C | N | C | C | — | — | N |
| N | N | C | N | C | C | N | C | — | C | — | N |
| N | N | — | N | — | C | N | C | — | — | — | N |
| N | C | — | C | C | C | N | C | N | N | N | C |
| P | N | — | N | C | C | N | C | N | N | — | N |
| — | N | — | N | C | C | N | P | C | — | — | N |
| — | N | — | N | C | C | C | P | N | — | — | N |
| — | — | — | — | — | — | — | — | — | — | — | — |
| C | N | — | N | C | C | P | C | C | C | — | N |
| N | C | — | C | C | C | P | C | N | N | N | C |
| |
| N | P | — | P | P | C | N | N | N | N | N | P |
| N | C | — | C | C | C | N | P | N | N | N | C |
| P | N | N | N | P | P | N | N | P | P | — | N |
| C | N | N | N | C | C | C | C | P | C | — | N |
| — | N | — | N | — | C | N | C | P | — | — | N |
| N | C | — | C | C | C | P | N | N | N | N | C |
| N | C | — | C | C | C | C | C | N | N | C | C |
| — | N | — | N | — | P | N | N | — | — | — | N |
| — | N | N | N | — | P | N | N | P | — | — | N |
| N | N | N | N | P | P | P | N | N | N | P | N |
| N | N | P | N | P | P | C | N | N | N | P | N |
| — | N | N | N | — | P | N | N | N | — | — | N |
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| ANNUAL WEEDS |
| barley, foxtail |
| barley, hare |
| barnyardgrass |
| bluegrass, annual |
| bromegrasses |
| canarygrass |
| chickweeds |
| clovers |
| cockleburs |
| crabgrass, large |
| cudweeds |
| cupgrasses |
| fescues |
| fiddlenecks |
| filarees |
| fingergrasses |
| fleabane, hairy |
| foxtails (bristlegrass) |
| goosefoot, nettleleaf |
| groundcherries |
| groundsels |
| henbit |
| horseweed |
| junglerice |
| knotweed, common |
| lambsquarters, common |
| lettuce, prickly |
| lovegrasses |
| mallow, little (cheeseweed) |
| miner's lettuce |
| morningglory |
| mustards |
| nettles |
| nightshades |
| oat, wild |
| pigweeds |
| pineapple-weed |
| polypogon, rabbitsfoot |
| puncturevine |
| purslane, common |
| radish, wild |
| redmaids (desert rockpurslane) |
| rocket, London |
| ryegrasses |
| sandburs |
| shepherd's-purse |
| sowthistles |
| speedwells |
| sprangletops |
| spurges |
| sunflower, common |
| thistle, Russian |
| thornapple, Chinese |
| velvetleaf |
| witchgrass |
| PERENNIAL WEEDS |
| bermudagrass (established) |
| bermudagrass (seedling) |
| bindweed, field (established) |
| bindweed, field (seedling) |
| datura, sacred |
| johnsongrass (established) |
| johnsongrass (seedling) |
| knapweed, Russian |
| nightshade, silverleaf |
| nutsedge, purple |
| nutsedge, yellow |
| sida, alkali |
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Ratings Legend
| C | = control |
P | = partial control |
N | = no control |
— | = no information |
Chemical Legend
| BRO = bromoxynil (Buctril) |
| CAR = carfentrazone (Shark) |
| CLE = clethodim (Select Max) |
| DIU = diuron (Karmex) |
| FLM = flumioxazin (Chateau) |
| FLU = fluazifop-p-butyl (Fusilade) |
| GLU = gluphosinate (Ignite) |
| GLY = glyphosate (Roundup) |
| MEO = metolachlor (Dual Magnum) |
| MET = metam-sodium* (Vapam) |
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| MSM = MSMA |
| OXY = oxyfluorfen (Goal) |
| PAR = paraquat* (Gramoxone Inteon) |
| PEN = pendimethalin (Prowl) |
| PRM = prometryn (Caparol) |
| PRS = pyrithiobac sodium (Staple) |
| PYR = pyraflufen ethyl (ET) |
| SET = sethoxydim (Poast) |
| TRI = trifluralin (Treflan) |
| TSS = trifloxysulfuron sodium (Envoke) |
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Comments
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* Permit required from county agricultural commissioner for purchase or use.
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UC IPM Pest Management Guidelines: Cotton
UC ANR Publication 3444
Weeds
S. D. Wright, UC Cooperative Extension, Tulare County
D. J. Munier, UC Cooperative Extension, Glenn County
Acknowledgment for contributions to Weeds:
R. N. Vargas, UC Cooperative Extension, Madera County
T. S. Prather, Plant, Soil, and Entomological Sciences, Univ. of Idaho, Moscow, Idaho
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