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How to Manage Pests

UC Pest Management Guidelines

| More pests | More crops | About guidelines |

Tomato

Susceptibility of Weeds to Herbicide Control

(Reviewed 1/08, updated 5/08)

In this Guideline: More about weeds in tomato:
Susceptibility of Weeds to Herbicide Control
  FALL BED PREPLANT POSTPLANT LAYBY
Customize list of weeds
ANNUAL WEEDS
Broadleaves
broomrape
chickweed, common
dodders
fleabane, hairy
goosefoot, nettleleaf
groundcherries
groundsel, common
horseweed
jimsonweed
knotweed, prostrate
lambsquarters, common
lettuce, prickly
mallow, little (cheeseweed)
mustards
nettle, burning
nightshade, hairy
nightshade, black
pigweeds
purslane, common
rocket, London
shepherd's-purse
sowthistles
sweetclovers
thistle, Russian
tobacco, Indian
velvetleaf
Grasses
barnyardgrass
canarygrasses
cereals, volunteer
crabgrass, large
lovegrasses
oat, wild
PERENNIAL WEEDS
Seedlings
bermudagrass
bindweed, field
johnsongrass
Established
bermudagrass
bindweed, field
datura, sacred
johnsongrass
nutsedge, purple
nutsedge, yellow
Preemerg.
MTR NAP OXY
 
NN—
CCP
NNC
NNP
CCC
PNC
PCC
—NP
NNC
NCC
CCC
CCC
PCC
CPC
CPC
PNC
NNC
CCC
PCC
CPC
CPC
CCC
CPC
CPP
—NC
PNC
 
PCP
—CP
PCN
CCP
PCP
PCP
 
 
NCN
NNN
NPN
 
NNN
NNN
NNN
NNN
NNN
PPN
Postemerge.
GLY PAR*
 
CN
CC
CC
CC
CC
CC
CC
CC
CC
CP
CP
CC
PP
CC
NC
CC
CC
CC
CC
CC
CC
CC
CP
CP
CC
CC
 
CC
CC
CC
CC
CC
CP
 
 
CC
CC
CC
 
CN
CN
CP
PN
PN
PN
Preemerg.
MEO MET* NAP PEN TRI
 
—CN—P
CCCCC
NCNPN
NCNNN
PCCCC
CCNNN
NCCNN
NCNNN
—CNNN
NCCCC
PCCCC
NCCNN
PNCPN
NCPPN
CCPNP
CCNPN
CPNPN
CCCCC
CCCCC
NCPPN
PCPPN
PCCNN
NNPNP
PCPPC
—CNNN
PCNNN
 
CCCCC
CCCCC
NCCCN
CCCCC
CCCCC
NCCPN
 
 
NCCCN
NCNNN
CCPCC
 
NPNNN
NPNNN
—NNNN
NPNNN
NNNNN
PPPNN
Preemerg.
MEO RIM
 
——
CC
NN
N—
PP
CC
NC
N—
——
NC
PC
NP
PC
NC
—C
CC
CC
CC
CC
NC
PC
PP
——
PP
——
PP
 
CC
C—
NC
CP
CP
NP
 
 
NN
PN
CP
 
NN
—P
——
NN
NP
PP
Postemerge.
CLE HAL MTR RIM SET
 
NNN—N
NCCCN
NPNPN
N—P—N
NCCPN
N—PPN
NCCPN
N—C—N
N—N—N
N—PPN
NPCPN
NNPPN
N—PPN
NCCCN
NCCCN
NNPPN
NNPPN
NCCPN
NPPCN
NCCCN
NPCCN
NCCPN
N—PNN
N—PPN
N—N—N
NCCPN
 
CNPCC
CNN—C
CNNCC
CNNCC
CNNPC
CNNPC
 
 
CNN—C
NNNPN
CNNPC
 
PNNNP
N—NPN
—NP—N
PNNNC
NCNNN
NCNNN
Preemerg.
DCP EPT MEO PEN TRI
 
—N——P
CCCCC
PPNPN
—PNNN
CCPCC
CCCNN
NCNNN
—PNNN
—C—NN
PPNCC
CCPCC
—CNNN
PPPPN
PNNPN
PP—NP
PCCPN
PPCPN
CCCCC
CCCCC
PPNPN
PPPPN
PCPNN
NN—NN
CNPPC
—C—NN
NPPNN
 
CCCCC
CCCCC
PCNPN
CCCCC
CCCCC
PCNPC
 
 
CCNCC
N—PNC
CCCCC
 
NNNNN
NN—NN
—P—NN
NCNNN
NCNNN
NCPNN
 
ANNUAL WEEDS
Broadleaves
broomrape
chickweed, common
dodders
fleabane, hairy
goosefoot, nettleleaf
groundcherries
groundsel, common
horseweed
jimsonweed
knotweed, prostrate
lambsquarters, common
lettuce, prickly
mallow, little (cheeseweed)
mustards
nettle, burning
nightshade, hairy
nightshade, black
pigweeds
purslane, common
rocket, London
shepherd's-purse
sowthistles
sweetclovers
thistle, Russian
tobacco, Indian
velvetleaf
Grasses
barnyardgrass
canarygrasses
cereals, volunteer
crabgrass, large
lovegrasses
oat, wild
PERENNIAL WEEDS
Seedlings
bermudagrass
bindweed, field
johnsongrass
Established
bermudagrass
bindweed, field
datura, sacred
johnsongrass
nutsedge, purple
nutsedge, yellow

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

Chemical Legend
CLE = clethodim (Select Max)
DCP = DCPA (Dacthal)
EPT = EPTC (Eptam)
GLY = glyphosate (Roundup, Touchdown)
HAL = halosulfuron (Sandea)
MEO = metolachlor (Dual Magnum)
MET = metam* (Vapam, etc.)
MTR = metribuzin (Sencor)
 
NAP = napropamide (Devrinol)
OXY = oxyfluorfen (Goal)
PAR = paraquat* (Gramoxone Max)
PEN = pendimethalin (Prowl H20)
RIM = rimsulfuron (Matrix)
SET = sethoxydim (Poast)
TRI = trifluralin (Treflan, etc.)
 

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

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Tomato
UC ANR Publication 3470
Weeds
W. T. Lanini, Weed Science/Plant Sciences, UC Davis
G. Miyao, UC Cooperative Extension, Solano/Yolo counties
K. J. Hembree, UC Cooperative Extension, Fresno Co.
Acknowledgments for contributions to the weed section:
B. J. Mullen, UC Cooperative Extension, San Joaquin Co.
J. P. Orr, UC Cooperative Extension, Sacramento Co.
W. E. Bendixen, UC Cooperative Extension, Santa Barbara Co.

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