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How to Manage Pests

UC Pest Management Guidelines


Pistachio

Susceptibility of Weeds to Herbicide Control

(Reviewed 2/07, updated 2/09)

In this Guideline: More about weeds in pistachio:

Susceptibility of Spring/Summer Weeds to Herbicide Control
Customize list of weeds
 
ANNUAL WEEDS
Grasses
barnyardgrass
crabgrass, large
fescues
foxtails
lovegrasses
sprangletops
witchgrass
Broadleaves
cockleburs
cudweeds
eveningprimrose, cutleaf
fleabane, hairy
goosefoot, nettleleaf
groundcherries
horseweed
knotweed, common
lambsquarters, common
lettuce, prickly
mullein, turkey
nightshades
pigweeds
puncturevine
purslane, common
sowthistles
spurge, spotted
thistle, Russian
willowherb, panicle-leaf
PERENNIALS
Seedling
bermudagrass
bindweed, field
clovers
dallisgrass
dock, curly
johnsongrass
Established
bermudagrass
bindweed, field
clovers
dallisgrass
dock, curly
johnsongrass
nutsedge, purple
nutsedge, yellow
PREEMERGENCE

FLM

ISO1

NAP

ORY

OXY

PEN1

THI1
 
CNCCPCC
CNCCPCC
CNCCPCP
CNCCNCC
CNCCPCP
CNCCPCC
CNCCPCP
 
PNPNN
CCNPNC
CCPPPC
CCNNPNP
CCCCCCC
CCNNCNP
CCNNPNP
CCCCCCC
CCCCCCC
CCCNCNC
CCNPPC
CCNNCNP
CCCCCCC
CPPPPP
CCCCCCC
CCCPCNC
CCPPPP
CPPPPP
CCNPCP
 
 
NCCPCC
PNPCPP
CNPNPN
NPCNCC
CPPCC
NCCPCC
 
NNNNNN
NNNPNPN
NNNNN
NNNNNN
NNNNN
NNNNPN
NNNNNNP
PNNNNNC
POSTEMERGENCE

CLE1

DIQ1

FLU1

GLY

OXY

PAR

SET1

2,4-D
 
CPCCPPCN
CPCCNCCN
PCPCNCPN
CPCCNCCN
CPCCNPCN
CPCCPPCN
CPPCNCPN
 
NCNCCCNC
NCNCCCNN
NCNCPCN
NPNCPPNP
NCNCCCNC
NCNCCCNP
NCNCPCNP
NPNCNPNC
NCNCCPNC
NCNCPPNC
NPNCNCNP
NCNCCCNC
NCNCCCNP
NCNCPCNC
NCNCPNCC
NCNCCCNC
NCNCNCNN
NPNCNCNP
NPNPNPN
 
 
CPCCNCCN
NCNCNCNC
NPNCNPNN
CPCCNCCN
NCNCCCNC
CPCCNCCN
 
PNPCNPPN
NPNPNPNP
NNNPNNNN
PNPCNNPN
NNNPNNNN
PNPCNNPN
NPNPNPNN
NPNPNPNN
TANK-MIX COMBINATIONS
ORY
OXY
NAP
OXY
GLY
OXY
PAR*
ORY
 
CCCP
CCCC
CCCC
CCCC
CCCC
CCCC
CCCC
 
CPCC
PCCP
PPCP
PPCC
CCCC
CCCC
PPCP
CCCP
CCCC
CCCC
CCC
CCCC
CCCC
PPCC
CCCC
CCCC
PCCC
PPCC
CCCP
 
 
CCCC
CCCC
PPCP
PPCC
CCCC
CCCC
 
NNPN
PNPN
NNPP
NNPN
NNPN
NNPN
NNPP
NNPP
 
 
ANNUAL WEEDS
Grasses
barnyardgrass
crabgrass, large
fescues
foxtails
lovegrasses
sprangletops
witchgrass
Broadleaves
cockleburs
cudweeds
eveningprimrose, cutleaf
fleabane, hairy
goosefoot, nettleleaf
groundcherries
horseweed
knotweed, common
lambsquarters, common
lettuce, prickly
mullein, turkey
nightshades
pigweeds
puncturevine
purslane, common
sowthistles
spurge, spotted
thistle, Russian
willowherb, panicle-leaf
PERENNIALS
Seedling
bermudagrass
bindweed, field
clovers
dallisgrass
dock, curly
johnsongrass
Established
bermudagrass
bindweed, field
clovers
dallisgrass
dock, curly
johnsongrass
nutsedge, purple
nutsedge, yellow
Susceptibility of Winter Weeds to Herbicide Control
Customize list of weeds
 
ANNUAL WEEDS
Grasses
barley, hare
bluegrass, annual
bromegrasses
oat, wild
ryegrass, Italian
Broadleaves
chickweed, common
cudweeds
fiddlenecks
filarees
groundsel, common
henbit
mallow, little (cheeseweed)
mustards
nettle, burning
radish, wild
rocket, London
shepherd's-purse
PREEMERGENCE

FLM

ISO1

NAP

ORY

OXY

PEN1

THI1
 
CNCCPCC
CNCCPCC
CNCCPCC
CNCPPPP
CNCCPCC
 
CCCCPCC
CCNNNC
CCCCCCC
CCCPCPP
CCPPCNC
CCPPCCP
CCPPCPC
CCPNCPP
CCPPCCC
CPPCPC
CCPCPC
CCPNCPC
POSTEMERGENCE

CLE1

DIQ1

FLU1

GLY

OXY

PAR

SET1

2,4-D
 
CPCCNCCN
CPNCNCNN
PPPCNCPN
CPCCNCCN
CPCCNCCN
 
NCNCNCNC
NCNCCCNN
NCNCCCNC
NCNPCCNC
NCNCCCNP
NCNCCCNC
NCNPCPNC
NCNCPCNC
NPNNPPNC
NCNCPCNC
NCNCPCNC
NCNCCCNC
TANK-MIX COMBINATIONS
ORY
OXY
NAP
OXY
GLY
OXY
PAR*
ORY
 
PCCC
CCCC
PCCC
PCCC
CCCC
 
CCCC
CCCP
CCCC
CCCP
CPCP
CCCC
CCCP
PPCC
PPCP
PCCP
PCCP
PPCP
 
 
ANNUAL WEEDS
Grasses
barley, hare
bluegrass, annual
bromegrasses
oat, wild
ryegrass, Italian
Broadleaves
chickweed, common
cudweeds
fiddlenecks
filarees
groundsel, common
henbit
mallow, little (cheeseweed)
mustards
nettle, burning
radish, wild
rocket, London
shepherd's-purse

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

Chemical Legend
2,4-D = (Orchard Master, etc.)
CLE = clethodim (Select Max)
DIQ = diquat (Reglone)
FLM = flumioxazin (Chateau)
FLU = fluazifop-p-butyl (Fusilade DX)
GLY = glyphosate (Roundup PowerMax, Touchdown)
ISO = isoxaben (Gallery T&V)
 
NAP = napropamide (Devrinol)
ORY = oryzalin (Surflan, Oryzalin)
OXY = oxyfluorfen (Goal)
PAR = paraquat (Gramoxone Inteon)
PEN = pendimethalin (Prowl)
SET = sethoxydim (Poast)
THI = thiazopyr (Visor)

Comments
*   Permit required from county agricultural commissioner for purchase or use.
1   For use in nonbearing orchards only.

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Pistachio
UC ANR Publication 3461
Weeds
K. J. Hembree, UC Cooperative Extension, Fresno County
A. Shrestha, UC IPM Program, Kearney Agricultural Center, Parlier

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