Agriculture: Citrus Pest Management Guidelines

Susceptibility of Weeds to Herbicide Control

Susceptibility Of Winter Weeds In Citrus To Herbicide Control

PREEMERGENCE
BRO* DIU* EPT1 FLA FLM IND ISO1 MES NOR* ORY OXY1 PEN RIM SIM* TRI
Mode of Action 5 7 8 2 14 29 21 27 12 3 14 3 2 5 3
ANNUAL WEEDS
barley, hare C C C C P N C C P C N P C
bluegrass, annual C C C C C C N C C P C N P C
bromegrass C C C P P C N C C P C N N C
canarygrass C C C P P N C C P C N P C
burclover, California P C N C P P C C N C N C N
cudweeds C C P C C N C N N N N C N
fiddlenecks C C C C C C C C C C N C C
filarees C C C C C C C N P C C N C C P
henbit C C C C C P C C C P C C C C P
miner's lettuce C C P N C C C N C C
mustards C C N C C C C N P N C P C C N
nettle, burning C C C C C C C C C P C N N C P
oat, wild C P C C C N C P P P C N P
polypogon, rabbitsfoot C C C N C C P N P C
radish, wild C C N C N C N C N N P N
redmaids C C C C C C C C C C
rocket, london C C P C C C C C C N P P N P N
ryegrass, Italian C C C C P C N C C P C N P C
shepherd's-purse C C P C C C C C N C P N C N
sowthistles P C C C P C C C P N C N N C N
sweetclovers P C N P P N C N C N N C N

Susceptibility Of Winter Weeds In Citrus To Herbicide Control

POSTEMERGENCE
CAR CLE1 DIQ1 FLU1 GLU GLY MES OXY1 PAR* RIM SAF1 SET
Mode of Action 14 1 22 1 10 9 27 14 22 2 14 1
ANNUAL WEEDS
barley, hare N C P C C N P C N C
bluegrass, annual N C P N C C N P C C N N
bromegrass N N C C N N C N N N
canarygrass N C P C C C N N C N N N
burclover, California N N C C N P P N N
cudweeds N C N C C N P C N N
fiddlenecks C N C N C C N C C N N
filarees N C N C P N C P N C N
henbit N C N C C N C C N N
miner's lettuce N N C C N C C N N
mustards P N C N C C C C C C C N
nettle, burning C N P N C C N P C N C N
oat, wild N C P C C C N N P P N C
polypogon, rabbitsfoot C N C N P C N C
radish, wild N N C C N P P C C N
redmaids N N C C N C C N
rocket, london C N C N C C N C C N C N
ryegrass, Italian N C P N C N N C N N
shepherd's-purse P N C N C C N P C C C N
sowthistles N N C N C C N P C N C N
sweetclovers N N C C N P P N C N
C= control P= partial control N= no control = no information
BRO* = bromacil (Hyvar) FLU1 = fluazifop-p-butyl (Fusilade) OXY1 = oxyfluorfen (Goal)
CAR = carfentrazone (Shark) GLU = glufosinate (Rely) PAR* = paraquat (Gramoxone SL)
CLE1 = clethodim (Select max) GLY = glyphosate (Roundup) PEN1 = pendimethalin (Prowl)
DIU* = diuron (Karmex) IND = indaziflam (Alion) RIM = rimsulfuron (Matrix)
DIQ1 = diquat (Reglone) ISO1 = isoxaben (Trellis) SAF1 = saflufenacil (Treevix)
EPT1 = eptc (Eptam) MES = mesotrione (Broadworks) SET = sethoxydim (Poast)
FLA = flazasulfuron (Mission) NOR* = norflurazon (Solicam) SIM* = simazine (Princep)
FLM = flumioxazin (Chateau) ORY = oryzalin (Surflan) TRI = trifluralin (Treflan)
* Permit required from county agricultural commissioner for purchase or use.
1 for use on nonbearing citrus only.

Susceptibility Of Spring And Summer Weeds In Citrus To Herbicide Control

PREEMERGENCE
BRO* DIU* EPT1 FLA FLM1 IND ISO1 MES NOR ORY OXY1 PEN1 RIM SIM* TRI
Mode of Action 5 7 8 2 14 29 21 27 12 3 14 3 2 5 3
ANNUAL WEEDS
barnyardgrass P C C P C C N P C P C C P C
chickweed, common C C C C C C C C C C P C N C C
cockleburs C C N P C N P N P C N
crabgrass, large P C C C C C P P C P C C N C
cudweeds C C P C C N C N N N N C N
vening primrose, cutleaf C P C P C C N P P P N C P
fleabane, hairy C C C C C C C C P N P N C N N
foxtails C C C C C C N P C N C C N C
goosefoot, nettleleaf C C C C C C C N C C C C N C C
groundcherries C C C C C C C C N C N N C P
groundsel, common C N C C C C C C P N N C C N
horseweed C C C C C C C C P N P N C C N
knotweeds C C P P C N C C C C N C C
lambsquarters, common C C C C C C C C P C C C P C C
lettuce, prickly C C C C P P C C P N C N C N
lovegrasses P C C C C C N P C P C N N C
mallow, little (cheeseweed) C P N C C C C C P P C P C P N
morningglory, annual C C C P C C C P C N N C C
mullein, turkey C N N N P N N N N
nettle, burning C C C C C C C C C P C N N C P
nightshades C C C C C C C C C N C N P C N
pigweeds C C C C C C C C P C C C C C C
pineapple-weed C C P C C C N N N C N
polypogon, rabbitsfoot C C C N C C P N P C
puncturevine C P C C C C C P P P C P P
purslane, common C C C C C C C C P C C C C C C
sandburs P C C C C N P C N N N C
sowthistles P C C C P C C C P N C N N C N
speedwells C N N C N C P N C P
sprangletops N N P C P C N C C C N N C
spurge, spotted P N N C C C N P P P P C N N
thistle, Russian C N P C C C C N C P P P N C P
witchgrass C C C C P N P C P N C
PERENNIAL WEEDS
bermudagrass (seedling) N N C P N N N C C C C N P C
bermudagrass (perennial) N N N N N N N N P N N N N N N
bindweed, field (seedling) P C N C P P N P N C C
bindweed, field (perennial) N N N N N C C N N N N N N P
dallisgrass (seedling) C N C P N N N C N C N C C
dallisgrass (perennial) C N N N N N N N N N N N N N N
johnsongrass (seedling) C C C P C N N C C N C N C N
johnsongrass (perennial) P N N N N N N N C C N N N N N
nutsedge, yellow C N P P N N N N P N N N P N N
nutsedge, purple C N P P N N N N P N N N N N N

Susceptibility Of Spring And Summer Weeds In Citrus To Herbicide Control

POSTEMERGENCE
CAR CLE1 DIQ1 FLU1 GLU GLY MES OXY1 PAR* RIM SAF SET
Mode of Action 14 1 22 1 10 9 27 14 22 2 14 1
ANNUAL WEEDS
barnyardgrass N C P C C C N N P C N C
chickweed, common P N C N C C C P C C N
cockleburs P N C N C N C C N P C N
crabgrass, large N C C C C C C P C C N C
cudweeds N C N C C N P C N N
evening primrose, cutleaf N C N C C N P C N N
fleabane, hairy P N P N C C N P C N C N
foxtails N C P C C C N N C C N C
goosefoot, nettleleaf N C N C C N P C N C N
groundcherries C N C N C C N C C N C N
groundsel, common N C N C C N C N C N
horseweed P N C N C C P P C N C N
knotweeds N P N C C N P P N N
lambsquarters, common N C N C C C C P P C N
lettuce, prickly N C N C C N C C N C N
lovegrasses N C P C C C N N C N N
mallow, little (cheeseweed) C N C N C P N C N P C N
morningglory, annual C N P N C C P C P N C N
mullein, turkey N P C C C N P N N
nettle, burning C N P N C C N P C N C N
nightshades P N C N C C C C C P C N
pigweeds N C N P C C C C C C N
pineapple-weed N N C C N C N N
polypogon, rabbitsfoot C C C C N N C N C
puncturevine N C N C N N P P N C N
purslane, common N N C N C C N C C C C N
sandburs N P C C C N N P N N
sowthistles N N C N C C N C C N C N
speedwells N N N C N C N N
sprangletops N N N N C C N C N N N
spurge, spotted P N N N N C N P C N C N
thistle, Russian N P N C C N P P N C N
witchgrass N C P C C N N C N
PERENNIAL WEEDS
bermudagrass (seedling) N C P P N C N C P N N C
bermudagrass (perennial) N P N P N C N N N N N P
bindweed, field (seedling) N N N C P P N C N
bindweed, field (perennial) N N C P P P N N N N
dallisgrass (seedling) N P P N N C N C N N N C
dallisgrass (perennial) N N N N C C N N N N N
johnsongrass (seedling) N C P C C C N C C P N C
johnsongrass (perennial) N C N N N C N N N N N C
nutsedge, yellow N N P N C P N N N P N N
nutsedge, purple N N P N C P N N N N N N
C= control P= partial control N= no control = no information
BRO* = bromacil (Hyvar) FLA = flazasulfuron (Mission) GLY = glyphosate (Roundup) PEN = pendimethalin (Prowl)
CAR = carfentrazone (Shark) FLM1 = flumioxazin (Chateau) MES = mesotrione (Broadworks) RIM = rimsulfuron (Matrix)
CLE1 = clethodim (Select Max) FLU1 = fluazifop-p-butyl (Fusilade) NOR = norflurazon (Solicam) SAF = saflufenacil (Treevix)
DIU* = diuron (Karmex) GLU = glufosinate (Rely) ORY = oryzalin (Surflan) SET = sethoxydim (Poast)
DIQ1 = diquat (Reglone) GLY = glyphosate (Roundup) OXY1 = oxyfluorfen (Goal) SIM* = simazine (Princep)
EPT1 = EPTC (Eptam) IND = indaziflam (Alion) PAR* = paraquat (Gramoxone SL) TRI = trifluralin (Treflan)
* Permit required from county agricultural commissioner for purchase or use.
1 use on nonbearing citrus only.
Text Updated: 04/19