Lettuce

Agricultural pest management


Prickly lettuce, Lactuca serriola.

Susceptibility of Weeds in Lettuce to Herbicide Control

(Reviewed 4/17, updated 4/17)

In this Guideline: More about weeds in lettuce:

Susceptibility of Weeds in lettuce to Herbicide Control
BEN BSL CAR CLE GLY MET* PAR* PEL PRO* SET
ANNUAL WEEDS
Barnyardgrass C C N C C C C C P C
Bluegrass, annual C C N C C C C C C N
Burclover, California N N C P P P N
Canarygrasses P C N C C C C C C
Chickweed C P P N C C C C C N
Crabgrasses C C N C C C C C C
Cupgrass C C C C C P P C
Fiddleneck C P C N C C P C C N
Goosefoot, nettleleaf C C N C C P C N
Groundcherries N N C N C P C P N
Groundsel, common N N N C C C C N N
Henbit N N N C C C P N
Junglerice C C N C C C C P C
Knotweed, common C P N C C P C P N
Lambsquarters, common C C N C C P P C N
Lettuce, prickly N N N C C P N N
Mallows N N C N P P N P P N
Mustards N N P N C P C C C N
Nettle, burning P C C N N C P C C N
Nightshade, hairy N N C N C P C C N
Oat, wild P N N C C C P C C
Pigweeds C C N C C C P P N
Purslane, common C C N N C C C C C N
Rocket, London N N C N C C C C C N
Shepherd's-Purse N N P N C C C C C N
Sowthistles N N N N C C C N N
Sweetclovers N N N C P P P N
Swinecress, lesser N N C C N N N
Volunteer cereals N N N C C C P C P
PERENNIAL WEEDS
Nutsedge, Purple N N N N P N N N N N
Nutsedge, Yellow N N N N P P N N N N

Ratings Legend
C = control     P = partial control     N = no control     = no information
Chemical Legend
BEN = benefin (Balan) MET = metam sodium* (Vapam, etc.)
BSL = bensulide (Prefar) PAR = paraquat* (Gramoxone)
CAR = carfentrazone (Shark) PEL = pelargonic acid (Scythe)
CLE = clethodim (Select Max) PRO = pronamide* (Kerb)
GLY = glyphosate (Roundup) SET = sethoxydim (Poast)
*Permit required from county agricultural commissioner for purchase or use.

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Lettuce
UC ANR Publication 3450

Weeds

R. F. Smith, UC Cooperative Extension, Monterey County
S. A. Fennimore, Weed Science/Plant Sciences, UC Davis/Salinas
M. LeStrange, UC Cooperative Extension, Tulare County

Acknowledgment for contributions to Weeds:
D. W. Cudney, Botany, UC Riverside
W. E. Bendixen, UC Cooperative Extension, Santa Barbara County
C. E. Bell, UC Cooperative Extension, San Diego County
W. T. Lanini, Weed Science/Plant Sciences, UC Davis

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