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How to Manage Pests

UC Pest Management Guidelines

| More pests | More crops | About guidelines |

Plum

Susceptibility of Weeds to Herbicide Control

(Reviewed 5/06, updated 5/06)

In this Guideline:

Winter
Spring/summer
Legends
Publication
Glossary

More about weeds in plum:

Susceptibility of Winter Weeds to Herbicide Control

Customize list of weeds

ANNUAL WEEDS

barley, hare

bluegrass, annual

brome, downy

brome, ripgut

canarygrass

clovers

cudweeds

fiddlenecks

filarees

groundsel, common

henbit

mallow, little

miner's lettuce

mustards

nettle, burning

oat, wild

pineapple-weed

polypogon, rabbitfoot

radish, wild

redmaids (desert rockpurslane)

rocket, London

ryegrasses

shepherd's-purse

Preemergent

FLM	ISO	NAP	NOR	ORY	OXY	PEN	PRO	TRI	THI
—	N	C	C	C	P	C	C	C	C
C	N	C	C	C	P	C	C	C	C
—	N	C	C	C	N	C	C	C	C
—	N	C	C	C	—	C	C	C	C
—	N	C	C	C	P	C	C	C	C
C	P	P	N	N	P	N	N	N	C
—	P	C	C	N	N	N	N	N	C
—	C	C	C	C	C	C	—	C	C
C	C	C	P	N	C	N	N	P	C
C	C	C	P	N	C	N	N	N	C
C	C	N	P	P	C	C	C	C	C
C	P	P	P	P	C	N	P	N	P
—	C	—	C	C	C	—	P	C	C
C	C	P	P	N	C	N	C	N	P
C	C	P	C	P	C	C	P	P	C
C	N	C	P	P	P	P	P	P	C
—	C	C	P	N	C	N	N	N	C
—	N	—	C	C	N	—	—	C	C
—	C	N	P	N	C	N	P	N	N
C	C	—	C	C	C	C	—	C	C
—	C	C	P	N	C	N	C	N	P
—	N	C	C	C	N	C	C	C	C
C	C	P	P	N	C	C	C	N	C

Postemergent

CLE	FLU	GLY	MSM	OXY	PAR*	SET	24D*
C	C	C	N	P	P	C	N
C	N	C	C	P	P	N	N
C	P	C	P	N	P	P	N
C	P	C	P	N	P	C	N
C	C	C	N	P	P	C	N
N	N	P	N	P	P	N	P
N	N	C	N	P	N	N	P
N	N	C	N	C	C	N	P
N	P	P	N	C	P	N	P
N	N	C	N	C	C	N	P
N	N	C	N	C	C	N	P
N	N	P	N	C	N	N	N
N	N	C	N	—	C	N	N
N	N	C	N	P	C	N	C
N	N	N	N	P	P	N	P
C	C	C	N	N	P	C	N
N	N	C	N	—	P	N	N
C	C	C	N	—	P	C	N
N	N	C	N	P	P	N	C
N	N	C	—	C	C	N	C
N	N	C	N	C	C	N	C
C	C	C2	P	N	P	C	N
N	N	C	N	P	C	N	C

Combinations

ORY OXY	GLY¹ OXY
P	C
C	C
P	C
P	C
—	C
P	P
N	C
—	C
P	C
C	C
C	C
C	C
—	C
P	C
P	P
P	C
—	C
—	C
P	C
C	C
C	C
N	C
P	C

ANNUAL WEEDS

barley, hare

bluegrass, annual

brome, downy

brome, ripgut

canarygrass

clovers

cudweeds

fiddlenecks

filarees

groundsel, common

henbit

mallow, little

miner's lettuce

mustards

nettle, burning

oat, wild

pineapple-weed

polypogon, rabbitfoot

radish, wild

redmaids (desert rockpurslane)

rocket, London

ryegrasses

shepherd's-purse

Susceptibility of Spring/Summer Weeds to Herbicide Control

Customize list of weeds

ANNUAL WEEDS

barnyardgrass

chickweed, common

cockleburs

crabgrasses

fleabane, hairy

foxtails

cudweeds

filarees

goosefoot, nettleleaf

goosegrass

groundcherries

horseweed

junglerice

knotweed, common

lambsquarters, common

lettuce, prickly

lovegrass

nightshades

pigweeds

puncturevine

purslane, common

sandburs

sowthistles

sprangletops

spurge, spotted

starthistle, yellow

thistle, Russian

willowherb, panicle-leaf

witchgrass

PERENNIAL WEEDS

bermudagrass (Se)

bermudagrass (Pr)

bindweed, field

blackberries

dallisgrass (Se)

dallisgrass (Pr)

dandelion (Se)

dandelion (Pr)

dock, curly

fescues

fluvellins

johnsongrass (Se)

johnsongrass (Pr)

nutsedge, yellow

nutsedge, purple

oxalis, buttercup

plantain, buckhorn (Se)

plantain, buckhorn (Pr)

Preemergent

FLM
ISO
NAP
NOR
ORY
OXY
PEN
PRO
TRI
THI

P N C P C P C C C C

C C C P C N C C C C

C P C C N C N N N C

P N C P C N C C C C

C P N P N P N N N C

P N C C C N C C C C

— P C C N N N N N C

C C C P N C N N P C

— C C C C C P C C C

P N — C C N C C C C

— C N C P C N C N C

C P N P N P N N N P

P N C C C P C P C C

— C C P C P C C C P

C C C P C C C C C C

— C C P N C N N N C

P N C P C P C C C C

C C N C N C N C N —

C C C P C C C N C P

C P N C P C C N P P

C C C P C C C C C C

— N C P C N C — C C

C C C P N C N P N C

— N C P C N C C P —

C C N P P P C P N P

— — — — N C N N N —

C P C C P P P P P P

C P N P P C — — — —

— N — C P C C C C C

— N C C C N C N N N

— N N P N N N N N N

P N N N N N N N N P

— — N N N N N — N N

— N C N C N C C C C

— N N N N N N N N N

— — C N P N — — — P

— N N N N N N — N N

— N N N N N N N N N

— N — C C P — C C C

— — — — — — — — — —

C N C C C N C C C C

— N N P N N N N N N

P N N P N N N N N P

N N N P N N N N N P

— C N — P C P — P C

P P — — — — — N — P

P P N N N N N N N N

Postemergent

CLE
FLU
GLY
MSM
OXY
PAR*
SET
24D*

C P C N N P C N

N N C C P C N P

N N C P C C N C

C C C C P C C N

N N C N P P N P

C C C — N C C N

N N C N P N N P

N P P N C P N P

N N C N P C N C

C C C C N P — N

N N C P C C N C

N N C N P P N C

C P C — N P C N

N N P N P C N P

N N C N C C N C

N N C N C P N C

C C C P N P C N

N N C P C C N C

N N C N C C N P

N N C P P C N C

N N P P C C N C

C P C P N P P N

N N C N C P N C

C P C N P P P N

N N C N N C N C

N N C N N C N C

N N C P P C N P

N N P — N N N C

C C C P N N C N

C C C N N P C N

P P P N N N P N

N N P P N N N P

N N C N N N N P

C C C C N N C N

P P P C N N P N

N N C N N P N C

N N P N N N N C

N N P N N N N P

P P C N N P P N

N N P — — — N —

C C C C N C C N

P P P N N N P N

N N P C N N N N

N N P C N N N N

N N C P — P N P

N N C N — C N C

N N P N — N N P

Combinations

ORY
OXY GLY¹
OXY

C C

C C

C C

C C

P C

C C

P C

C C

C C

— C

C C

P C

C C

C P

C C

C C

C C

C C

C C

P C

C P

P C

C C

— C

P C

— C

P C

C P

C C

C C

N P

P P

— C

P C

N P

— C

— P

N P

C C

— P

C C

N P

N P

N P

— C

— C

— P

ANNUAL WEEDS

barnyardgrass

chickweed, common

cockleburs

crabgrasses

fleabane, hairy

foxtails

cudweeds

filarees

goosefoot, nettleleaf

goosegrass

groundcherries

horseweed

junglerice

knotweed, common

lambsquarters, common

lettuce, prickly

lovegrass

nightshades

pigweeds

puncturevine

purslane, common

sandburs

sowthistles

sprangletops

spurge, spotted

starthistle, yellow

thistle, Russian

willowherb, panicle-leaf

witchgrass

PERENNIAL WEEDS

bermudagrass (Se)

bermudagrass (Pr)

bindweed, field

blackberries

dallisgrass (Se)

dallisgrass (Pr)

dandelion (Se)

dandelion (Pr)

dock, curly

fescues

fluvellins

johnsongrass (Se)

johnsongrass (Pr)

nutsedge, yellow

nutsedge, purple

oxalis, buttercup

plantain, buckhorn (Se)

plantain, buckhorn (Pr)

Weed Legend
Se = seedling Pr = perennial plant

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

Chemical Legend

24D = 2,4-D* (Orchard Master)

CLE = clethodim (Prism)

FLM = flumioxazin (Chateau)

FLU = fluazifop-p-butyl (Fusilade)

GLY = glyphosate (Roundup)

ISO = isoxaben (Gallery)

MSM = MSMA (MSMA 6 Plus)

NAP = napropamide (Devrinol)

NOR = norflurazon (Solicam)

ORY = oryzalin (Surflan)

OXY = oxyfluorfen (Goal)

PAR = paraquat* (Gramoxone)

PEN = pendimethalin (Prowl)

PRO = pronamide (Kerb)

SET = sethoxydim (Poast)

THI = thiazopyr (Visor)

TRI = trifluralin (Treflan)

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

¹ At rates used for annual weeds, control of perennials is less than expected with high label rates.

² Some populations in California are known to be resistant.

PUBLICATION

UC IPM Pest Management Guidelines: Plum
UC ANR Publication 3462
Weeds
A. Shrestha, UC IPM Program, Kearney Agricultural Center, Parlier
W. T. Lanini, Weed Science/Plant Sciences, UC Davis
F. J. A. Niederholzer, UC Cooperative Extension, Sutter-Yuba counties

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