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UC Pest Management Guidelines


Field bindweed, Convolvulus arvensis.

Onion and Garlic

Susceptibility of Weeds to Herbicide Control

(Reviewed 1/07, updated 5/10)

In this Guideline: More about weeds in onion and garlic:

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
 
BEN BRO CLE DCP DIM ETH FLU GLY MET* OXY PAR* PEN SET
PNCCCCCCPPPC
CNCCCPCCCPPCC
CNCCCCNCCPPCN
NNNNPNPPNN
CNCCCCCCPPCC
NNCCCCCPPPC
PNNCCCNCCNCCN
CNCCPCCCNCCC
NCNNCNCCNNNN
NNNCNNCCNCNN
NCNCCNCCCPCN
NPNPPNPCCPNN
NCNNPNCCPCNN
CNCCCCCCCNCCC
PCNCCNCCCCCN
NCNCCCNCCCCPN
NCNNPNCCCCNN
NCNPPNCCCCCN
NCNNPNCCPPNN
CPNPCNCCPPCN
PCNCCCNCCCPCN
NCNNCNCCCPNN
CNCCCCCPCC
NPNNPNPNCNPN
NCNNCNCPCPNN
NCNPNNCCCCNN
NCNPCPNNCCPNN
NCNPPPNCPCCNN
NCNPPCNCCCCNN
NNCPCCCCPPPC
CNCCCCNPCC
CCNCCPNCCCCCN
NCNPCNCCCCPN
CNNCCCNCCCCCN
NCNNNNCCPCNN
NCNPNNCCCCCN
PNCCNCCCNPCC
NCNNNNCCCPNN
NCNPCNCCCPNN
NCNPNNCCCPNN
NNNNNPNPPNN
NCNNPNCCPCPN
 
NNPNNPCPNNNP
NNCCCCCNPCC
NNNNNNNPPNNNN
NPNNNNCPNPPN
NNNNNNCNNNN
PCNCNCCCCCN
NNCNNCCCNNNC
CNCCCCCCCNCCC
NNNNPNPNNNNN
NNNNPPNPPNNNN
 
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

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)
 
GLY = glyphosate (Roundup)
MET = metam sodium* (Vapam, etc.)
OXY = oxyfluorfen (Goal, GoalTender)
PAR = paraquat* (Gramoxone Inteon)
PEN = pendimethalin (Prowl, Prowl H2O)
SET = sethoxydim (Poast)
 

Comments
*   Permit required from county agricultural commissioner for purchase or use.

[Precautions]

PUBLICATION

[UC Peer Reviewed]

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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