Citrus

Pest Management Guidelines


Susceptibility of Weeds to Herbicide Control

(Reviewed 9/08, updated 9/08)

In this Guideline: More about weeds in citrus:

Susceptibility of Spring/Summer Weeds to Herbicide Control
Customize list of weeds
ANNUAL WEEDS
barnyardgrass
chickweed, common
cockleburs
crabgrass, large
cudweeds
eveningprimrose, cutleaf
fleabane, hairy
foxtails
goosefoot, nettleleaf
groundcherries
groundsel, common
horseweed
knotweeds
lambsquarters, common
lettuce, prickly
lovegrasses
mallow, little (cheeseweed)
morningglory, annual
mullein, turkey
nettle, burning
nightshades
pigweeds
pineapple-weed
polypogon, rabbitsfoot
puncturevine
purslane, common
sandburs
sowthistles
speedwells
sprangletops
spurge, spotted
thistle, Russian
witchgrass
PERENNIAL WEEDS
bermudagrass (seedling)
bermudagrass (perennial)
bindweed, field (seedling)
bindweed, field (perennial)
dallisgrass (seedling)
dallisgrass (perennial)
johnsongrass (seedling)
johnsongrass (perennial)
nutsedge, yellow
nutsedge, purple
PREEMERGENCE
BRO* DIU* EPT1 FLM ISO1 NAP NOR* ORY OXY1 PEN1 SIM* THI TRI
PCCCCPCPCPCC
CCCCCCCCPCCC
CCNCCNPNCN
PCCCCPCPCNCC
CCPCCCNNNCN
CPCPNPPPCCP
CCCCCNPNPNNN
CCCCCPCNCNCC
CCCCCCCCCCCC
CCCCCNCNCNCPP
CNCCCCPNNCCN
CCCCCNPNPNCN
CCPCCCCCCCCC
CCCCCCPCCCCC
CCCPCCPNCCN
PCCCCPCPCNC
CPNCCPPPCPPN
CCCCPCPCNCC
CNNNPNNN
CCCCCPCPCNCP
CCCCCNCNCNCN
CCCCCCPCCCCPC
CCPCCCNNCN
CCCCCCPPC
CPCCPCPPPPP
CCCCCCPCCCCCC
PCCCCPCNNC
PCCPCCPNCNCCN
CNNCCCPCP
NNPPCCCCNC
PNNCCNPPPPNCN
CNPCCPCPPPCP
CCCPCPCPNC
 
NNCNNCCCCCPC
NNNNNNPNNNNN
PCNCNPPNPCCC
NNNCNNNNNNPP
CNCNCNCNCCC
CNNNNNNNNNNN
CCCCNCCCNCCN
PNNNNNCCNNNN
CNPNNNPNNNNPN
CNPNNNPNNNNPN
POSTEMERGENCE
CAR CLE1 DIQ1 FLU1 GLY MSM*1 OXY1 PAR* SET
NCPCCNNPC
PNCNCCPCN
PNCNNPCNN
NCCCCCPCC
NCNCNPCN
NCNCNPCN
PNPNCNPCN
NCPCCPNCC
NCNCNPCN
CNCNCPCCN
NCNCNCN
PNCNCNPCN
NPNCNPPN
NCNCNCPN
NCNCNCCN
NCPCCPNC
CNCNPNCNN
CNPNCPCPN
NPCCNPN
CNPNCNPCN
PNCNCPCCN
NCNCNCCN
NNCNCN
CCCNNCC
NCNNPPPN
NNCNCPCCN
NPCCPNP
NNCNCNCCN
NNCNCN
NNNNCNCN
PNNNCNPCN
NPNCNPPN
NCPCPNC
 
NCPPCNCPC
NPNPCNNNP
NNCNPPN
NNPNPNN
NPPNCCCNC
NNNNCCNN
NCPCCCCCC
NCNNCNNNC
NNPNPCNNN
NNPNPPNNN
 
ANNUAL WEEDS
barnyardgrass
chickweed, common
cockleburs
crabgrass, large
cudweeds
eveningprimrose, cutleaf
fleabane, hairy
foxtails
goosefoot, nettleleaf
groundcherries
groundsel, common
horseweed
knotweeds
lambsquarters, common
lettuce, prickly
lovegrasses
mallow, little (cheeseweed)
morningglory, annual
mullein, turkey
nettle, burning
nightshades
pigweeds
pineapple-weed
polypogon, rabbitsfoot
puncturevine
purslane, common
sandburs
sowthistles
speedwells
sprangletops
spurge, spotted
thistle, Russian
witchgrass
PERENNIAL WEEDS
bermudagrass (seedling)
bermudagrass (perennial)
bindweed, field (seedling)
bindweed, field (perennial)
dallisgrass (seedling)
dallisgrass (perennial)
johnsongrass (seedling)
johnsongrass (perennial)
nutsedge, yellow
nutsedge, purple
Susceptibility of Winter Weeds to Herbicide Control
Customize list of weeds
ANNUAL WEEDS
barley, hare
bluegrass, annual
bromegrass
canarygrass
burclover, California
cudweeds
fiddlenecks
filarees
henbit
miner's lettuce
mustards
nettle, burning
oat, wild
polypogon, rabbitsfoot
radish, wild
redmaids (desert rockpurslane)
rocket, London
ryegrass, Italian
shepherd's-purse
sowthistles
sweetclovers
PREEMERGENCE
BRO* DIU* EPT1 FLM ISO1 NAP NOR* ORY OXY1 PEN1 SIM* THI TRI
CCCPCCCPCPCC
CCCCCCCPCPCC
CCCPCCCPCNC
CCCPCCCPCPCC
PCNPPCNCCN
CCPCCCNNNCN
CCCCCCCCCCCC
CCCCCCPCCNCCP
CCCCCPCPCCCP
CCPCCCCCC
CCNCCPPNCPCPN
CCCCCPCPCNCP
CPCCCCPPPNP
CCCCCCPPC
CCNCNCNCNPN
CCCNCCCCC
CCPCCPCNPPPN
CCCPCCCPCPC
CCPCNCNCPCCN
PCCPCCPNCNCCN
PCNPPCNCNCN
POSTEMERGENCE
CAR CLE1 DIQ1 FLU1 GLY MSM*1 OXY1 PAR* SET
NCPCCNPCC
NCPNCCPCN
NNCPNCN
NCPCCNNCN
NNCNPPN
NCNCNPCN
CNCNCNCCN
NCNPNCPN
NCNCNCCN
NNCNCCN
PNCNCNCCN
CNPNCNPCN
NCPCCNNPC
CCPPCC
NNCNPPN
NNCPCCN
CNCNCNCCN
NCPCNNC
PNCNCNPCN
NNCNCNPCN
NNCNPPN
 
ANNUAL WEEDS
barley, hare
bluegrass, annual
bromegrass
canarygrass
burclover, California
cudweeds
fiddlenecks
filarees
henbit
miner's lettuce
mustards
nettle, burning
oat, wild
polypogon, rabbitsfoot
radish, wild
redmaids (desert rockpurslane)
rocket, London
ryegrass, Italian
shepherd's-purse
sowthistles
sweetclovers

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

Chemical Legend
BRO* = bromacil (Hyvar)
CAR = carfentrazone (Shark)
CLE1 = clethodim (Select Max)
DIQ1 = diquat (Reglone)
DIU* = diuron (Karmex)
EPT1 = EPTC (Eptam)
FLM = flumioxazin (Chateau)
FLU1 = fluazifop-p-butyl (Fusilade)
GLY = glyphosate (Roundup)
ISO1 = isoxaben (Gallery)
MSM*1 = MSMA
 
NAP = napropamide (Devrinol)
NOR* = norflurazon (Solicam)
ORY = oryzalin (Surflan)
OXY1 = oxyfluorfen (Goal)
PAR* = paraquat (Gramoxone Inteon)
PEN1 = pendimethalin (Prowl)
SET = sethoxydim (Poast)
SIM* = simazine (Princep)
THI = thiazopyr (Visor)
TRI = trifluralin (Treflan)
 

Comments
*   Permit required from county agricultural commissioner for purchase or use.
1   For use on nonbearing citrus only.

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Citrus
UC ANR Publication 3441

Weeds
  • N. V. O'Connell, UC Cooperative Extension, Tulare County
Acknowledgment for contributions to Weeds:
  • A. Shrestha, UC IPM Program, Kearney Agricultural Center, Parlier
  • T. S. Prather, Dept. PSES, Univ. of Idaho
  • D. W. Cudney, Botany and Plant Sciences, UC Riverside

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