Almond

Pest Management Guidelines

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Susceptibility of Weeds in Almond to Herbicide Control

(Reviewed 3/09, updated 11/12)

In this Guideline:

How to customize
Winter weeds
Spring & summer weeds
Legends
Publication
Glossary

More about weeds in almond:

Susceptibility of Winter Weeds in Almond to Herbicide Control

Customize LIST OF WEEDS

ANNUAL WEEDS

barley, hare

bluegrass, annual

bromegrasses

clovers

cudweeds

filarees

groundsel, common

henbit

mallow, little

mustards

nettle, burning

oat, wild

radish, wild

redmaids

rocket, London

ryegrasses

shepherd's-purse

PREEMERGENCE
FLM	ISO	NAP	NOR	ORY	OXY	PEN	RIM	SIM	TRI
—	N	C	C	C	P	C	—	C	C
—	N	C	C	C	P	C	C	C	C
—	N	C	C	C	P	C	C	C	C
C	P	P	N	N	C	P	C	C	N
—	C	C	C	N	N	N	C	C	N
C	C	C	C	N	C	C	C	C	P
C	C	C	P	N	C	P	C	C	N
C	C	P	P	P	C	C	C	C	C
C	C	P	C	N	C	P	—	N	P
C	C	P	C	N	C	N	—	C	N
C	C	N	C	P	C	N	N	C	N
C	N	C	P	C	P	P	P	C	P
—	C	P	P	N	C	N	C	C	N
C	—	N	C	C	C	C	C	C	C
—	C	P	C	N	C	C	C	C	N
—	N	C	C	C	P	C	C	C	C
C	C	N	C	N	C	N	C	C	N

POSTEMERGENCE
GLU	GLY	OXY	PAR*	RIM	24D*
—	C	P	C	—	N
C	C	P	C	C	N
C	C	N	C	C	N
C	C	P	P	C	P
C	C	P	N	C	P
C	P	C	P	C	C
C	C	C	C	C	C
C	C	C	C	C	C
C	P	C	N	—	N
C	C	P	C	—	C
C	C	P	C	N	C
C	C	N	C	P	N
C	C	P	P	C	P
—	C	C	C	C	C
C	C	C	C	C	C
—	C²	N	C	C	N
C	C	P	C	C	C

COMBINATIONS
ORYOXY	GLY¹OXY
P	C
C	C
P	C
P	P
P	C
P	C
C	C
C	C
C	C
P	C
P	C
P	C
P	C
C	C
P	C
N	C
P	C

Susceptibility of Spring & Summer Weeds in Almond to Herbicide Control

Customize LIST OF WEEDS

ANNUAL WEEDS

barnyardgrass

chickweed, common

crabgrasses

fleabane, hairy

foxtails

goosefoot, nettleleaf

horseweed

junglerice

knotweed, common

lambsquarters, common

lettuce, prickly

mallow, little

nettle, burning

nightshades

pigweeds

puncturevine

purslane, common

sandburs

sowthistles

sprangletops

thistle, Russian

PERENNIAL SEEDLINGS

bermudagrass

bindweed, field

dallisgrass

dandelion

dock, curly

johnsongrass

PERENNIAL PLANTS

bermudagrass

bindweed, field

blackberries

dallisgrass

dandelion

dock, curly

johnsongrass

nutsedge, yellow

PREEMERGENCE
FLM	ISO	NAP	NOR	ORY	OXY	PEN	RIM	SIM
—	N	C	C	C	P	C	C	P
C	C	C	P	C	P	C	C	C
P	N	C	C	C	P	C	C	N
C	C	N	P	N	P	N	C	C
—	N	C	C	C	N	C	C	C
C	C	C	C	C	C	P	P	C
C	C	N	P	N	P	N	C	C
—	C	C	C	C	P	C	—	P
C	C	C	P	C	C	C	P	C
C	C	C	P	C	C	C	P	C
C	C	C	P	N	C	N	C	C
C	C	P	C	N	C	P	C	N
C	C	P	C	P	C	C	N	C
C	C	N	C	N	C	P	C	C
C	C	C	P	C	C	C	C	C
—	C	P	C	P	P	P	P	P
C	C	C	C	C	C	C	C	C
—	N	C	P	C	N	C	—	N
C	C	C	P	N	C	N	C	C
—	N	P	P	P	P	N	P	P
—	C	C	C	P	P	P	N	C

—	N	C	C	C	N	C	N	P
—	C	N	N	C	C	P	P	N
—	N	P	C	C	N	C	—	C
—	C	C	N	N	C	N	C	C
—	C	P	N	P	C	C	P	C
C	N	P	C	P	N	P	C	P

—	N	N	P	N	N	N	N	N
N	C	N	N	P	N	N	P	N
—	—	N	N	N	N	N	—	N
—	N	N	N	N	N	N	—	N
—	C	N	N	N	N	N	P	N
—	N	N	N	N	N	N	N	N
C	N	N	N	N	N	N	P	N
—	N	N	P	N	N	N	P	N

POSTEMERGENCE
TRI	GLU	GLY	OXY	PAR*	RIM	SET	24D*
C	C	C	N	P	C	C	N
C	C	C	P	C	C	N	P
C	C	C	P	C	C	C	N
N	C	C¹	P	P	C	N	C
C	C	C	N	C	C	C	N
C	C	C	P	C	P	N	C
N	C	C¹	P	P	C	N	C
C	—	C¹	N	P	—	C	N
C	P	P	P	P	P	N	N
C	C	C	C	P	P	N	C
N	C	C	C	P	C	N	C
P	C	P	C	N	C	N	N
N	C	N	P	P	N	N	N
N	C	C	C	C	C	N	N
C	C	C	C	C	C	N	N
P	C	C	P	C	P	N	N
C	C	C	C	C	C	N	N
C	—	C	N	P	—	C	C
N	C	C	C	P	C	N	N
P	C	C	P	P	P	P	N
P	C	C	P	C	N	N	N

C	C	C	P	C	N	C	N
C	C	C	C	C	P	N	C
C	C	C	N	N	—	N	N
N	C	C	C	N	C	N	C
C	C	C	C	C	P	N	C
C	C	C	N	C	C	C	P

N	P	C	N	P	N	P	N
P	P	P	N	P	P	N	P
N	—	C	N	N	—	N	P
N	P	C	N	N	—	P	N
N	—	P	N	N	P	N	C
N	—	P	N	N	N	N	C
P	P	C	N	N	P	P	N
N	P	P	N	N	P	N	P

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

Chemical Legend

GLY = glyphosate (Roundup)

NAP = napropamide (Devrinol)

ORY = oryzalin (Surflan)

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

FLM = flumioxazin (Chateau)

GLU = glufosinate (Rely)

GLY = glyphosate (Roundup)

ISO = isoxaben (Gallery)

NAP = napropamide (Devrinol)

NOR = norflurazon (Solicam)

ORY = oryzalin (Surflan)

OXY = oxyfluorfen (GoalTender)

PAR = paraquat* (Gramoxone Inteon)

PEN = pendimethalin (Prowl H2O)

RIM = Rimsulfuron (Matrix FNV)

SET = sethoxydim (Poast)

SIM = simazine (Princep)

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 Resistance to glyphosate is appearing.

PUBLICATION

UC IPM Pest Management Guidelines: Almond
UC ANR Publication 3431

Weeds

A. Shrestha, Kearney Agricultural Center, Parlier
J. H. Connell, UC Cooperative Extension, Butte County
Acknowledgment for contributions to Weeds:
T. S. Prather, Department of Plant, Soil, and Entomological Sciences (PSES), University of Idaho

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