From labels and weed guides

Group 14 herbicides for lambsquarters in cowpea

There are 4 Group 14 active-ingredient groups rated good or excellent for lambsquarters in cowpea, with products labeled for cowpea.

Group 14 mode of action (MOA) options

Group 14 is a herbicide mode of action (MOA) group. Treat it as one resistance-management check, not as the whole program.

Every listed product is labeled for cowpea. Ratings are shown when each weed guide that rates this weed stays at good or excellent for the active-ingredient group. If a guide gives a range, the weaker end of the range has to be good or excellent.

Based on 1 weed guide, 4 active-ingredient groups are rated good or excellent for lambsquarters in cowpea.

Example productActive ingredientsMOA groupRatings checked
Axill Solutions Flumi 51% WDG
EPA 95055-14-93809; same active ingredients on 18 other branded products
flumioxazin14ND Weed Guide 2026: G-E (PDF)
Antares
EPA 82534-5-5905; same active ingredients on 16 other branded products
sulfentrazone14ND Weed Guide 2026: G-E (PDF)
Authority Elite
EPA 279-3442; same active ingredients on 9 other branded products
metolachlor and sulfentrazone14, 15ND Weed Guide 2026: E (PDF)
PETRA IMI
EPA 89168-49-91395; same active ingredients on 2 other branded products
imazethapyr and sulfentrazone2, 14ND Weed Guide 2026: E (PDF)

Rating legend: E=excellent, G=good, F=fair, P=poor, N=no control. A range such as G-E means the guide gives a range; 'a' after a rating (e.g., Ga) means the guide assumes its recommended additive.

Build the full program

Check crop, timing, state, resistance, and rotation in one plan before you make a recommendation.

Sources

Data from current labels and weed guides. Last source update: 2026-07-14.