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	SAF	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)		SAF	= 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.