From labels and weed guides

Best herbicides for marshelder in cowpea

For marshelder in cowpea, the weed guides list 7 active-ingredient groups rated good or excellent, after checking that the products are labeled for cowpea.

Marshelder control in cowpea

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, 7 active-ingredient groups are rated good or excellent for marshelder in cowpea.

Example productActive ingredientsMOA groupRatings checked
Axill Solutions Imazethapyr 2SL
EPA 93809-3; same active ingredients on 10 other branded products
imazethapyr2ND Weed Guide 2026: E (PDF)
Bonedry
EPA 82557-1; same active ingredients on 8 other branded products
paraquat22ND Weed Guide 2026: G (PDF)
Abigor
EPA 34704-1174; same active ingredients on 7 other branded products
imazamox2ND Weed Guide 2026: G-E (PDF)
Bastante Max
EPA 2749-613; same active ingredients on 2 other branded products
bentazon and imazamox2, 6ND Weed Guide 2026: E (PDF)
Profine 75
EPA 2749-528; same active ingredients on 2 other branded products
halosulfuron-methyl2ND Weed Guide 2026: G-E (PDF)
Express
EPA 279-9594
tribenuron-methyl2ND Weed Guide 2026: E (PDF)
Reflex
EPA 100-993
fomesafen14ND Weed Guide 2026: G-E (PDF); ND Weed Guide 2026: G (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.

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Sources

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