Susceptibility of Winter Weeds in Peppers to Herbicide Control / Peppers / Agriculture: Pest Management Guidelines / UC Statewide IPM Program (UC IPM)

	BEFORE PLANTING					PREEMERGENCE OR PREPLANT INCORPORATED					AFTER PLANTING
	CAR	OXY	PAR*	PEL	GLY	MEO	MET*	NAP	BEN	TRI	CAR	CLE	HAL	PEL	PEN	SET
ANNUAL WEEDS
barley, hare	N	P	P	—	C	P	C	C	P	C	N	C	—	—	C	P
bluegrass, annual	N	P	P	C	C	C	C	C	C	C	N	C	N	C	C	N
canarygrass	N	P	P	—	C	C	C	C	C	C	N	C	—	—	C	C
burclover, California	—	P	P	—	P	—	P	P	N	N	—	—	—	—	—	N
crabgrasses	N	N	C	—	C	C	C	C	C	C	N	C	—	—	C	C
cudweeds	—	N	N	—	C	N	P	P	N	N	—	N	—	—	N	N
fiddlenecks	C	C	P	C	C	N	C	C	N	C	C	N	—	C	C	N
filarees	—	C	P	P	P	N	C	C	N	P	—	N	—	P	N	N
foxtails	N	N	C	—	C	C	C	C	C	C	N	C	—	—	C	C
henbit	—	C	C	—	C	—	C	P	N	P	—	N	—	—	C	N
knotweed, common	—	P	P	C	P	N	C	C	C	C	—	N	—	C	C	N
lettuce, prickly	—	C	P	—	C	N	C	C	N	N	—	N	P	—	N	N
London rocket	C	C	C	C	C	N	C	P	N	N	C	N	—	C	P	N
miner's lettuce	—	C	C	—	C	—	C	C	P	C	—	—	—	—	—	N
mustards	P	C	C	C	C	N	C	P	N	N	P	N	P	C	P	N
nettles	C	C	C	—	P	C	C	P	N	P	C	N	P	—	N	N
oats, wild	N	P	P	—	C	N	C	C	N	P	N	C	—	—	P	C
pineapple-weed	—	P	P	—	C	—	C	P	N	N	—	N	—	—	N	N
polypogon, rabbitfoot	N	P	C	—	C	C	C	C	C	C	N	—	—	—	C	C
radish, wild	P	C	P	—	C	N	C	P	N	N	P	N	P	—	N	N
redmaids (desert rockpurslane)	—	C	C	—	C	—	C	N	P	C	—	—	—	—	—	N
ryegrass	N	N	P	—	C	C	C	C	P	C	N	C	—	—	C	C
shepherd's-purse	P	P	C	C	C	P	C	P	N	N	P	N	C	C	P	N
sowthistles	N	C	C	—	C	P	C	C	N	N	N	N	P	—	N	N
sweetclover	N	P	P	—	P	—	N	P	N	N	N	—	N	—	—	N

Chemical Legend
BEN = bensulide (Prefar)	NAP = napropamide (Devrinol)
CAR = carfentrazone (Shark)	OXY = oxyfluorfen (GoalTender)
CLE = clethodim (Select Max)	PAR = paraquat* (Gramoxone SL 2.0)
GLY = glyphosate (Roundup)	PEL = pelargonic acid (Scythe)
HAL = halosulfuron (Sandea)	PEN = pendimethalin (Prowl H2O)
MEO = S-metolachlor (Dual Magnum)	SET = sethoxydim (Poast)
MET = metam sodium* (various trade names)	TRI = trifluralin (Treflan)

Comments
^* Permit required from county agricultural commissioner for purchase or use.
¹ Treatment must occur year before planting; not when peppers are in field.

Susceptibility of Winter Weeds in Peppers to Herbicide Control