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How to Manage Pests

UC Pest Management Guidelines

| More pests | More crops | About guidelines |

Floriculture and Ornamental Nurseries

Susceptibility of Weeds to Herbicide Control

(Reviewed 3/09, updated 3/09)

In this Guideline: More about weeds in floriculture and ornamental nurseries:
Susceptibility of Weeds to Herbicide Control
Customize list of weeds
ANNUAL WEEDS
barnyardgrass
bittercress, lesser-seeded
bluegrass, annual
burclover, California
chickweed, common
crabgrasses
cudweeds
filarees
fleabane
goosefoot, nettleleaf
groundsel, common
henbit
horseweed
junglerice
lambsquarter
lettuce, prickly
mallow, little (cheeseweed)
mustard
nettle, stinging
nightshade, black
nightshade, hairy
pearlwort
pigweeds
purslane, common
radish, wild
rocket, London
shepherd's-purse
sowthistle, common
sprangletops
spurge, prostrate or spotted
spurry, corn
willowherbs
BIENNIAL WEEDS
oxtongue, bristly
PERENNIAL WEEDS
bermudagrass (plant)
bermudagrass (seedling)
bindweed, field (plant)
bindweed, field (seedling)
buttercup, yellow
johnsongrass (plant)
johnsongrass (seedling)
nutsedge, yellow
nutsedge, purple
woodsorrel, creeping (plant)
woodsorrel, creeping (seedling)
MISCELLANEOUS
liverwort
PREEMERGENT
DCP FLM ISX MET NAP ORY OXA OXY PEN PRO TRI
C—NCCCCPCCC
P—CPPPCCPPP
C—NCCCCPCCC
N—CNNNNCNNN
CCCCCCNPCCC
CPNCCCCNCCC
N—CNPNCCNNN
P—CNCPCCNNN
NCPNNNPPNNN
C—CPCCCCCCC
NCCNCPPCNNN
PCCNNCCCCCC
NCPNPNPPNNN
C—NCCCCPCCC
CCCPCCCCCCC
N—CNCPPCNNN
PCCNPPPCPPP
P—CNPNCCNNN
PCCCPPCCPPP
PCCCNNCCNNN
PCCCNNCCNNN
P—CPCCNPCCC
C—CCCCCCCCC
CCCCCCCCCCC
N—CNNNCCNNN
P—CNCNCCNNN
NCCPPNCCNNN
PCCPCNCCNNN
C—NCCCPNCCC
P—CNNCCCCCC
P—CCCCNPCCC
NCPNNPPCNNN
 
N—NNNNNNNNN
 
N—NNNNNNNNN
C—NCCCPNCCC
N—NNNNPNNNN
N—NNNPCCPPC
N—NNNNNNNNN
N—NNNNNNNNN
P—NCCCNNPCC
NPNPPNNNNNN
NNNPNNNNNNN
N—NNNNNNNNN
C—CNNCCCCCC
 
—C————PP———
POSTEMERGENT
CLE DIQ FLU GLU GLY PEL SET
CCCCCCC
NPNCCPN
CCNCCCN
NPNCCPN
NCNCCCN
CPCCCPC
NPNCCPN
NNNCPNN
NNNCCNN
NNNCCNN
NNNCCNN
NNNCCNN
NNNCCNN
CPCCCPC
NPNCCPN
NNNCCNN
NNNPPNN
NPNCCPN
NPNCCPN
NPNCCPN
NPNCCPN
NNNCCNN
NPNCCPN
NCNCCCN
NCNCCCN
NNNCCNN
NPNCCPN
NPNCCPN
NNNCCNN
NCNCCCN
NPNCCPN
NPNCCPN
 
NNNPCNN
 
CNPPCNP
CCCCCCC
NNNPPNN
NCNCCPN
NNNPCNN
CNPPCNP
CCCCCCC
NNNNPNN
NNNNPNN
NNNPCNN
NCNCCCN
 
———————
 
ANNUAL WEEDS
barnyardgrass
bittercress, lesser-seeded
bluegrass, annual
burclover, California
chickweed, common
crabgrasses
cudweeds
filarees
fleabane
goosefoot, nettleleaf
groundsel, common
henbit
horseweed
junglerice
lambsquarter
lettuce, prickly
mallow, little (cheeseweed)
mustard
nettle, stinging
nightshade, black
nightshade, hairy
pearlwort
pigweeds
purslane, common
radish, wild
rocket, London
shepherd's-purse
sowthistle, common
sprangletops
spurge, prostrate or spotted
spurry, corn
willowherbs
BIENNIAL WEEDS
oxtongue, bristly
PERENNIAL WEEDS
bermudagrass (plant)
bermudagrass (seedling)
bindweed, field (plant)
bindweed, field (seedling)
buttercup, yellow
johnsongrass (plant)
johnsongrass (seedling)
nutsedge, yellow
nutsedge, purple
woodsorrel, creeping (plant)
woodsorrel, creeping (seedling)
MISCELLANEOUS
liverwort

Ratings Legend
C= control P= partial control N= no control —= no information

Chemical Legend
CLE = clethodim (Envoy)
DCP = DCPA (Dacthal)
DIQ = diquat (Reward)
FLM = flumioxazin (Broadstar/Sureguard)
FLU = fluazifop-p-butyl (Fusilade)
GLU = glufosinate (Finale)
GLY = glyphosate (Roundup Pro, Touchdown)
ISX = isoxaben (Gallery)
MET = metolachlor (Pennant)
 
NAP = napropamide (Devrinol)
ORY = oryzalin (Surflan)
OXA = oxadiazon (Ronstar)
OXY = oxyfluorfen (Goal)
PEL = pelargonic acid (Scythe)
PEN = pendimethalin (Pre-M, Pendulum)
PRO = prodiamine (Endurance, Barricade)
SET = sethoxydim (Vantage)
TRI = trifluralin (Treflan)

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Floriculture and Ornamental Nurseries
UC ANR Publication 3392
Weeds
C. A. Wilen, UC IPM Program, UC Cooperative Extension, San Diego County
Acknowledgment for contributions to Weeds:
C. L. Elmore, Vegetable Crops/Weed Science, UC Davis

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Statewide IPM Program, Agriculture and Natural Resources, University of California
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