|
|
How to Manage Pests
UC Pest Management Guidelines
Corn
Susceptibility of Weeds to Herbicide Control
(Reviewed 1/06,
updated 7/09)
|
|
In this Guideline:
|
More about weeds in corn:
|
|
Susceptibility of Weeds to Herbicide Control
| Customize list of weeds |
| ANNUAL WEEDS |
| barley, hare |
| barnyardgrass |
| cocklebur, common |
| goosefoot |
| groundcherries |
| junglerice |
| knotweed, common |
| lambsquarters, common |
| lettuce, prickly |
| morningglories |
| nightshade, black |
| nightshade, hairy |
| oat, wild |
| pigweed, redroot |
| puncturevine |
| purslane, common |
| purslane, horse |
| shattercane |
| sprangletops |
| spurge, spotted |
| sunflower, common |
| thistle, Russian |
| velvetleaf |
| wheat (volunteer) |
| PERENNIAL WEEDS |
| bermudagrass (plant) |
| bermudagrass (seed) |
| bindweed, field (plant) |
| bindweed, field (seed) |
| datura, sacred |
| johnsongrass (plant) |
| johnsongrass (seed) |
| knapweed, Russian |
| nightshade, silverleaf |
| nutsedge, purple |
| nutsedge, yellow |
|
| PREEMERGENCE |
|---|
| ALA |
ATR* |
CAR |
EPT |
MET |
PEN |
YUK |
| C | C | N | C | C | C | N |
| C | C | N | C | C | C | N |
| N | C | P | N | N | N | C |
| N | C | — | C | N | C | C |
| N | C | C | C | N | N | C |
| N | — | N | — | N | C | N |
| N | C | — | N | N | C | C |
| P | C | C | C | P | C | C |
| N | — | — | — | N | N | C |
| P | C | C | C | P | N | C |
| C | C | C | C | C | N | C |
| C | C | C | C | P | N | C |
| — | C | N | C | — | P | N |
| P | C | C | C | P | C | C |
| N | P | — | C | N | P | C |
| C | C | N | C | P | C | C |
| C | C | N | — | C | C | C |
| P | — | N | — | P | — | N |
| C | C | N | — | C | C | N |
| N | P | P | N | N | C | P |
| N | N | P | N | N | N | C |
| N | C | — | N | N | P | C |
| N | P | C | N | N | N | C |
| N | C | N | C | N | P | N |
| |
| N | N | N | N | N | N | N |
| N | C | N | P | N | N | N |
| N | N | N | N | N | N | P |
| P | C | P | N | P | P | C |
| N | — | N | N | N | N | — |
| N | N | N | P | N | N | N |
| P | C | N | P | P | P | N |
| N | — | N | N | N | N | — |
| N | — | N | N | N | N | C |
| N | N | N | C | N | N | C |
| C | N | N | C | C | N | C |
|
| POSTEMERGENCE |
|---|
| BRO |
DIC* |
DIF |
FOR |
GLY |
HAL |
NIC |
MTZ |
PAR* |
24D* |
| N | N | N | — | C | N | — | C | C | N |
| N | N | N | C | C | P | C | P | N | N |
| C | C | C | C | C | C | N | C | C | C |
| C | C | C | — | C | — | — | C | C | C |
| C | C | C | — | C | — | — | P | C | C |
| N | N | N | — | — | N | — | — | — | N |
| C | C | C | — | C | — | — | C | P | P |
| C | C | C | C | C | P | N | C | P | C |
| P | C | C | — | C | N | — | C | C | C |
| C | C | C | P | C | P | C | N | — | C |
| C | C | C | C | C | N | N | P | C | C |
| C | C | C | C | C | N | N | N | C | C |
| N | N | N | C | C | N | P | N | C | N |
| P | C | C | C | C | P | C | C | C | C |
| C | C | C | — | C | — | C | — | C | C |
| N | C | C | — | C | P | P | P | C | C |
| N | C | C | — | P | — | — | — | — | P |
| N | N | N | C | C | N | C | — | — | N |
| N | N | N | — | C | N | — | N | — | N |
| C | P | P | — | C | N | — | C | C | C |
| C | C | C | C | C | C | P | P | — | C |
| C | C | C | — | C | — | — | C | P | C |
| C | C | C | C | P | C | N | C | — | C |
| N | N | N | — | C | N | N | C | C | N |
| |
| N | N | N | N | C | N | N | N | N | N |
| N | N | N | N | C | N | — | N | P | N |
| N | P | P | N | C | — | — | P | N | P |
| P | C | C | N | C | — | — | P | P | C |
| N | — | — | C | C | N | C | — | N | — |
| N | N | N | C | C | N | C | N | N | N |
| N | N | N | C | C | N | C | N | P | N |
| N | — | — | — | C | — | — | — | N | — |
| N | C | C | — | C | N | — | — | N | C |
| N | N | N | N | P | C | N | N | N | N |
| N | N | N | N | P | C | N | P | N | N |
|
| |
| ANNUAL WEEDS |
| barley, hare |
| barnyardgrass |
| cocklebur, common |
| goosefoot |
| groundcherries |
| junglerice |
| knotweed, common |
| lambsquarters, common |
| lettuce, prickly |
| morningglories |
| nightshade, black |
| nightshade, hairy |
| oat, wild |
| pigweed, redroot |
| puncturevine |
| purslane, common |
| purslane, horse |
| shattercane |
| sprangletops |
| spurge, spotted |
| sunflower, common |
| thistle, Russian |
| velvetleaf |
| wheat (volunteer) |
| PERENNIAL WEEDS |
| bermudagrass (plant) |
| bermudagrass (seed) |
| bindweed, field (plant) |
| bindweed, field (seed) |
| datura, sacred |
| johnsongrass (plant) |
| johnsongrass (seed) |
| knapweed, Russian |
| nightshade, silverleaf |
| nutsedge, purple |
| nutsedge, yellow |
|
Ratings Legend
| C | = control |
P | = partial control |
N | = no control |
— | = no information |
Chemical Legend
| 24D = 2,4-D* |
| ALA = alachlor* (Micro-Tech) |
| ATR = atrazine* (AAtrex, etc.) |
| BRO = bromoxynil (Buctril) |
| CAR = carfentrazone (Shark) |
| DIC = dicamba* (Banvel, Clarity) |
| DIF = diflufenzopyr (Distinct) |
| EPT = EPTC (Eradicane) |
| FOR = foramsulfuron (Option) |
| |
| GLY = glyphosate** (Roundup) |
| HAL = halosulfuron (Sandea) |
| MET = s-metolachlor (Dual Magnum) |
| MTZ = metribuzin (Sencor) |
| NIC = nicosulfuron (Accent) |
| PAR = paraquat* (Gramoxone Inteon) |
| PEN = pendimethalin (Prowl, Prowl H2O) |
| YUK = halsulfuron/dicamba (Yukon) |
| |
|
Comments
|
* Permit required from county agricultural commissioner for purchase or use.
|
|
** Only for transgenic varieties of corn that contain specific herbicide-resistant genes.
|
![[Precautions]](/IMAGES/btn-precautions_bul.gif)
![[UC Peer Reviewed]](/IMAGES/logo-ucpeerreviewed.jpg)
UC IPM Pest Management Guidelines: Corn
UC ANR Publication 3443
Weeds
S. D. Wright, UC Cooperative Extension, Tulare County
W. M. Canevari, UC Cooperative Extension, San Joaquin County
D. J. Munier, UC Cooperative Extension, Glenn County
Acknowledgement for contributions to Weeds:
M. L. Campbell-Mathews, UC Cooperative Extension, Stanislaus County
R. N. Vargas, UC Cooperative Extension, Madera County
Top of page
|
