Agriculture: Spinach Pest Management Guidelines

Susceptibility of Weeds to Herbicide Control

CLE CYC GLY MEO MET* PEL PHE SET
Broadleaves
Bindweed, field (established) N N P N P N N N
Bindweed, field (seedling) N N C N P P N
Chickweed, common N P C C C C C N
Cockleburs N N C C C N
Cudweeds N P C N C P N
Dodders N N C N N N N
Fiddlenecks N C C N C C C N
Filarees N N P N C P N
Flixweed N N C C C N
Goosefoot, nettleleaf N C C P C C N
Groundsel, common N C C N C C C N
Henbit N C C C C N
Knotweed, common N C P N C C P N
Ladysthumb N P C C P N
Lambsquarters, common N C C P C C N
Lettuce, prickly N C C N C C N
Mallow, little (cheeseweed) N P P P N C P N
Medic, black N P P N P N
Morningglories, annual N N P N P P N
Mustards N N C N C C N
Nettle, burning N P P C C C C N
Nightshade, black N P C C C C N
Nightshade, hairy N C C C C C N
Nutsedge, yellow N P P P C N N N
Pigweeds N C C C C C N
Pineapple-weed N C C C P N
Purslane, common N C C C C C C N
Radish, wild N N C N C C N
Rocket, London N P C N C C N
Shepherd's-purse N P C P C C C N
Smartweed, pale N P C P C P N
Sowthistles N C C P C C N
Sweetclover, yellow N P P N P N
Swinecress N C P C N N
Grasses
Barley, hare C C P C N P
Barnyardgrass C C C C C C N C
Bluegrass, annual C C C C C C N N
Oat, wild C C C N C N C
Ryegrass, Italian C C C C C N C
Sprangletops C C C C C N C
Ratings Legend
C = control P = partial control N = no control = no information
CLE = clethodim (Select Max) MET = metam sodium* (Vapam, Sectagon 42)
CYC = cycloate (Ro-Neet) PEL = pelargonic acid (Scythe)
GLY = glyphosate (Roundup) PHE = phenmedipham (Spin-Aid)
MEO = s-metolachor (Dual Magnum) SET = sethoxydim (Poast)
* Permit required from county agricultural commissioner for purchase or use.
Text Updated: 12/09