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How to Manage Pests
UC Pest Management Guidelines
Onion and Garlic
Susceptibility of Weeds to Herbicide
Control
(Reviewed 1/07,
updated 5/10)
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In this Guideline:
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More about weeds in onion and garlic:
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Susceptibility of Weeds of Onion and Garlic to Herbicide Control
| Customize list of weeds |
| ANNUAL WEEDS |
| barley, hare |
| barnyardgrass |
| bluegrass, annual |
| burclover, California |
| canarygrass |
| cereals |
| chickweed, common |
| crabgrasses |
| cudweeds |
| dodders |
| fiddlenecks |
| filarees |
| fleabane, hairy |
| foxtails |
| goosefoot |
| groundcherries |
| groundsel |
| henbit |
| horseweed |
| knotweed, common |
| lambsquarters, common |
| lettuce, prickly |
| lovegrasses |
| mallow, little (cheeseweed) |
| morningglories |
| mustards |
| nettles |
| nightshade, black |
| nightshade, hairy |
| oat, wild |
| panicum, fall |
| pigweeds |
| puncturevine |
| purslane, common |
| radish, wild |
| rocket, London |
| ryegrasses |
| shepherd's-purse |
| sowthistles |
| sunflowers |
| sweetclovers |
| thistle, Russian |
| PERENNIAL WEEDS |
| bermudagrass (plant) |
| bermudagrass (seedling) |
| bindweed, field (plant) |
| bindweed (seedling) |
| dock, curly (plant) |
| dock, curly (seedling) |
| johnsongrass (plant) |
| johnsongrass (seedling) |
| nutsedge, purple |
| nutsedge, yellow |
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|---|
| BEN |
BRO |
CLE |
DCP |
DIM |
ETH |
FLU |
GLY |
MET* |
OXY |
PAR* |
PEN |
SET |
| P | N | — | C | C | C | C | C | C | P | P | P | C |
| C | N | C | C | C | P | C | C | C | P | P | C | C |
| C | N | C | C | C | C | N | C | C | P | P | C | N |
| N | N | N | — | — | — | N | P | N | P | P | N | N |
| C | N | C | C | — | C | C | C | C | P | P | C | C |
| N | N | — | C | — | C | C | C | C | P | P | P | C |
| P | N | N | C | C | C | N | C | C | N | C | C | N |
| C | N | — | C | C | P | C | C | C | N | C | C | C |
| N | C | N | N | — | C | N | C | C | N | N | N | N |
| N | N | N | C | — | N | N | C | C | N | C | N | N |
| N | C | N | C | — | C | N | C | C | C | P | C | N |
| N | P | N | P | — | P | N | P | C | C | P | N | N |
| N | C | N | N | — | P | N | C | C | P | C | N | N |
| C | N | C | C | C | C | C | C | C | N | C | C | C |
| P | C | N | C | — | C | N | C | C | C | C | C | N |
| N | C | N | C | C | C | N | C | C | C | C | P | N |
| N | C | N | N | — | P | N | C | C | C | C | N | N |
| N | C | N | P | — | P | N | C | C | C | C | C | N |
| N | C | N | N | — | P | N | C | C | P | P | N | N |
| C | P | N | P | — | C | N | C | C | P | P | C | N |
| P | C | N | C | C | C | N | C | C | C | P | C | N |
| N | C | N | N | — | C | N | C | C | C | P | N | N |
| C | N | — | C | — | — | C | C | C | C | P | C | C |
| N | P | N | N | — | P | N | P | N | C | N | P | N |
| N | C | N | N | — | C | N | C | P | C | P | N | N |
| N | C | N | P | — | N | N | C | C | C | C | N | N |
| N | C | N | P | C | P | N | N | C | C | P | N | N |
| N | C | N | P | P | P | N | C | P | C | C | N | N |
| N | C | N | P | P | C | N | C | C | C | C | N | N |
| N | N | C | P | — | C | C | C | C | P | P | P | C |
| C | N | — | C | — | — | C | C | C | N | P | C | C |
| C | C | N | C | C | P | N | C | C | C | C | C | N |
| N | C | N | P | — | C | N | C | C | C | C | P | N |
| C | N | N | C | C | C | N | C | C | C | C | C | N |
| N | C | N | N | — | N | N | C | C | P | C | N | N |
| N | C | N | P | — | N | N | C | C | C | C | C | N |
| P | N | — | C | C | N | C | C | C | N | P | C | C |
| N | C | N | N | — | N | N | C | C | C | P | N | N |
| N | C | N | P | — | C | N | C | C | C | P | N | N |
| N | C | N | P | — | N | N | C | C | C | P | N | N |
| N | N | N | N | — | — | N | P | N | P | P | N | N |
| N | C | N | N | — | P | N | C | C | P | C | P | N |
| |
| N | N | P | N | — | N | P | C | P | N | N | N | P |
| N | N | C | C | — | — | C | C | C | N | P | C | C |
| N | N | N | N | N | N | N | P | P | N | N | N | N |
| N | P | N | N | — | N | N | C | P | N | P | P | N |
| N | N | N | N | — | N | N | — | C | N | N | N | N |
| P | C | N | C | — | — | N | C | C | C | C | C | N |
| N | N | C | N | — | N | C | C | C | N | N | N | C |
| C | N | C | C | C | C | C | C | C | N | C | C | C |
| N | N | N | N | — | P | N | P | N | N | N | N | N |
| N | N | N | N | P | P | N | P | P | N | N | N | N |
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| ANNUAL WEEDS |
| barley, hare |
| barnyardgrass |
| bluegrass, annual |
| burclover, California |
| canarygrass |
| cereals |
| chickweed, common |
| crabgrasses |
| cudweeds |
| dodders |
| fiddlenecks |
| filarees |
| fleabane, hairy |
| foxtails |
| goosefoot |
| groundcherries |
| groundsel |
| henbit |
| horseweed |
| knotweed, common |
| lambsquarters, common |
| lettuce, prickly |
| lovegrasses |
| mallow, little (cheeseweed) |
| morningglories |
| mustards |
| nettles |
| nightshade, black |
| nightshade, hairy |
| oat, wild |
| panicum, fall |
| pigweeds |
| puncturevine |
| purslane, common |
| radish, wild |
| rocket, London |
| ryegrasses |
| shepherd's-purse |
| sowthistles |
| sunflowers |
| sweetclovers |
| thistle, Russian |
| PERENNIAL WEEDS |
| bermudagrass (plant) |
| bermudagrass (seedling) |
| bindweed, field (plant) |
| bindweed (seedling) |
| dock, curly (plant) |
| dock, curly (seedling) |
| johnsongrass (plant) |
| johnsongrass (seedling) |
| nutsedge, purple |
| nutsedge, yellow |
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Ratings Legend
| C | = control |
P | = partial control |
N | = no control |
— | = no information |
Chemical Legend
| BEN = bensulide (Prefar) |
| BRO = bromoxynil (Buctril) |
| CLE = clethodim (Select Max) |
| DCP = DCPA (Dacthal) |
| DIM = dimethenamid (Outlook) |
| ETH = ethofumesate (Norton) |
| FLU = fluazifop-P-butyl (Fusilade) |
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| GLY = glyphosate (Roundup) |
| MET = metam sodium* (Vapam, etc.) |
| OXY = oxyfluorfen (Goal, GoalTender) |
| PAR = paraquat* (Gramoxone Inteon) |
| PEN = pendimethalin (Prowl, Prowl H2O) |
| SET = sethoxydim (Poast) |
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Comments
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* Permit required from county agricultural commissioner for purchase or use.
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![[Precautions]](/IMAGES/btn-precautions_bul.gif)
![[UC Peer Reviewed]](/IMAGES/logo-ucpeerreviewed.jpg)
UC IPM Pest Management Guidelines: Onion and Garlic
UC ANR Publication 3453
Weeds
R. Smith, UC Cooperative Extension, Monterey County
S. A. Fennimore, Vegetable Crops/Weed Science, UC Davis/Salinas
S. Orloff, UC Cooperative Extension, Siskiyou County
G. J. Poole, UC Cooperative Extension, Los Angeles County
Acknowledgment for contributions to Weeds:
C. E. Bell, UC Cooperative Extension, San Diego County
D. W. Cudney, Botany and Plant Sciences, UC Riverside
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