How to Manage Pests

UC Pest Management Guidelines

Susceptibility of Weeds to Herbicide Control

	PREEMERGENCE
ANNUAL WEEDS barnyardgrass bluegrass, annual burclover, California chickweed, common crabgrass, large crabgrass, smooth cudweed filarees foxtail, yellow geranium, cutleaf goosegrass henbit knotweed, prostrate mallow, little (cheeseweed) medic, black pearlwort, birdseye pimpernel, scarlet purslane, common ryegrass, Italian soliva (spurweed) speedwell, Persian spurge, spotted swinecress, lesser PERENNIAL WEEDS bermudagrass catsear, common chickweed, mouseear clover, white daisy, English dallisgrass dandelion healall (selfheal) kikuyugrass knotgrass kyllinga, green nutsedge, purple nutsedge, yellow plantain, broadleaf plantain, buckhorn smutgrass sorrel, red velvetgrass, German woodsorrel, creeping yarrow, common	ATR BEN BES DCP DIT ISO NAP ORY OXA PEN PRD PRO* SID BEN ORY BEN TRI C C C C C N C C P C C C C C C C C C C C N C C C C C C N C C C N N N - C C P C P P N N P P C P N P C C C C N C C C N C C P C C C C N C C C C C C C C C P C C C C N C C C C C C C C C C N N N - C N N N N N N N N N P N N P - C C P C N N N - C C P C C C C N C C C C C C C C C - - N N P C - C - C C - N C C P P C P P N P C P C C P P C C C N N N P C N P C P P - - C C C C N P C C C C C C C C - C C C N N N - - P P C P P P N P P C N N N - C N N N N N N N N N - P N - - C - C N C - - - C C C C N C - C C C C C C - - C C C C N C C C C C C C C C - C C P C C P C N P C N C C C - C C C N N N - - C P C P P N - P P - C N P - C - C - C C - - C C C N N P C C N C P C P N - C C - N N N - - C - - P - N - - -                               N N N N N N N N N N N N N N N P N N N N N N N N N N N N N N P N N N N N N N N N N N N N N P N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N P C C C C C C C C C C P - C C N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N C C N P C C C C C C C C - C C P N N N N N N N N N N N N N N N N N N N N N N N N N N N N N C N N N N N N N N N N N N N N N N N N N N N N N N N N N N N	ANNUAL WEEDS barnyardgrass bluegrass, annual burclover, California chickweed, common crabgrass, large crabgrass, smooth cudweed filarees foxtail, yellow geranium, cutleaf goosegrass henbit knotweed, prostrate mallow, little (cheeseweed) medic, black pearlwort, birdseye pimpernel, scarlet purslane, common ryegrass, Italian soliva (spurweed) speedwell, Persian spurge, spotted swinecress, lesser PERENNIAL WEEDS bermudagrass catsear, common chickweed, mouseear clover, white daisy, English dallisgrass dandelion healall (selfheal) kikuyugrass knotgrass kyllinga, green nutsedge, purple nutsedge, yellow plantain, broadleaf plantain, buckhorn smutgrass sorrel, red velvetgrass, German woodsorrel, creeping yarrow, common

Susceptibility of Weeds to Herbicide Control

	POSTEMERGENCE
ANNUAL WEEDS barnyardgrass bluegrass, annual burclover, California chickweed crabgrass, large crabgrass, smooth cudweed filarees foxtail, yellow geranium, cutleaf goosegrass henbit knotweed, prostrate mallow, little (cheeseweed) medic, black pearlwort, birdseye pimpernel, scarlet purslane, common ryegrass, Italian soliva (spurweed) speedwell, Persian spurge, spotted swinecress. lesser PERENNIAL WEEDS bermudagrass catsear, common chickweed, mouseear clover, white daisy, English dallisgrass dandelion healall (selfheal) kikuyugrass knotgrass kyllinga, green nutsedge, purple nutsedge, yellow plantain, broadleaf plantain, buckhorn red sorrel smutgrass velvetgrass, German woodsorrel, creeping yarrow, common	BTZ BRO CLO DIC* DIT DSM ETH FLU GLY HAL MEC MSM QUI TRY 24A* 24E* 24D* MEC 24D* MEC DIC* 24D* TRY N N N N - N P C C N N C N N N N N N N N N N N P N C N C N N N N N N N N N N - N C C - N - N C N C N C P P P C C C - P C C - N C N C N C N - P P C C C C N N N N C C P C C N N C P N N N N N N N N N N C C P C C N N C P N N N N N N N N - C - N C N C N C N - - N P P P P - C P C - P P P P - - N - - C C C C C N N N N - - C P C N N - N N N N N N N - - - C - N - N C N C N - C C C C C C N N N N - N N C C N N C N N N N N N N C - C C - N P N C N C N - - P C C C C - - - C - N C N P N C N - - P C C C C - C C C - N P N P N C N - - C C C C C - N C C - N - N P N C N C C P P C C C - - - C - N - N C - C N - - - - - C - - - - C - N - N C - C N - C C C C C C C C - C - N C N C - C N - C C C C C C N N N N - N N C P - N N N N N N N N N - C C P - N - N C - C N - - C C C C C - - - - - N - N C - - - - N N N P P N - C - P - N N N C - P N - C P P P P C - C - P - N N N C - N - - - N N P P P                                       N N N N N N N C C N N N N N N N N N N N N C C N N - N C N P N - - C C C C C N N C C N N - N C N C N - - P P C C C N N C C N N C N P N C N C C P P C C C N N P P N N - N C N N N N N N N N P P N N N N N C N P C N N C N N N N N N N N N C P N N N N C N P N N P C C C C C N N - P N N - N C N - N - P N N N C P N N N N N P - C C N N P P N N N N N N N N - N N N - C C N N N - N N N N N N N N N N N P - N C P N P N N N N N N N N N N N N N P N P C N P N N N N N N N P N N N N P P N P C N P N N N P N N N N N C P N N N N C N P N - P C C C C P N N C P N N N N C N P N - P C C C C P N N C C N N - N C N N N - - N N P C P - - - C - N - N P N C N - - P C C C C N N N N N N - P C N N N - N N N N N N N N N N N N - N C N P N - C N N N P C N N - C N N - N C N P N - - P C P C P	ANNUAL WEEDS barnyardgrass bluegrass, annual burclover, California chickweed crabgrass, large crabgrass, smooth cudweed filarees foxtail, yellow geranium, cutleaf goosegrass henbit knotweed, prostrate mallow, little (cheeseweed) medic, black pearlwort, birdseye pimpernel, scarlet purslane, common ryegrass, Italian soliva (spurweed) speedwell, Persian spurge, spotted swinecress. lesser PERENNIAL WEEDS bermudagrass catsear, common chickweed, mouseear clover, white daisy, English dallisgrass dandelion healall (selfheal) kikuyugrass knotgrass kyllinga, green nutsedge, purple nutsedge, yellow plantain, broadleaf plantain, buckhorn red sorrel smutgrass velvetgrass, German woodsorrel, creeping yarrow, common

RATINGS LEGEND

C

= control

P

= partial control

N

= no control

-

= no information

CHEMICAL LEGEND
ATR = atrazine (Drexel Atrazine)	ETH = ethofumesate (Prograss)	PEN = pendimethalin (Pre-M, Pendulum)
BEN = benefin (Balan)	FLU = fluazifop (Fusilade 2000)	PRD = prodiamine (Barricade)
BES = bensulide (Presan)	GLY = glyphosate (Roundup)	PRO = pronamide* (Kerb)
BRO = bromoxynil (Buctril)	HAL = halosulfuron (Manage)	QUI = quinclorac (Drive)
BTZ = bentazon (Basagran)	ISO = isoxaben (Gallery)	SID = siduron (Tupersan)
CLO = clopyralid (Stinger, Lontrel)	MEC = mecoprop (MCPP)	TRI = trifluralin (Team 2G)
DCP = DCPA (Dacthal W-75 for Turf)	MSM = MSMA	TRY = triclopyr (Turflon)
DIC = dicamba* (Banvel 4-S)	NAP = napropamide (Devrinol)	24A = 2,4-D amine*
DIT = dithiopyr (Dimension)	ORY = oryzalin (Surflan)	24D = 2,4-D*
DSM = DSMA (Methar)	OXA = oxadiazon (Ronstar)	24E = 2,4-D ester*

COMMENTS

* Permit required from county agricultural commissioner for purchase or use.

Many of these products are available for use by licensed applicators only and cannot be used by home gardeners.

PUBLICATION

UC IPM Pest Management Guidelines: Turfgrass
UC ANR Publication 3365-T
Weeds
C. L. Elmore, Vegetable Crops/Weed Science, UC Davis
C. A. Wilen, UC IPM Program, UC Cooperative Extension, San Diego Co.
D. W. Cudney, Botany and Plant Sciences, UC Riverside
V. A. Gibeault, Botany and Plant Sciences, UC Riverside
M. A. Harivandi, UC Cooperative Extension, Alameda Co.

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