From labels and weed guides

Best herbicides for kochia in potato

For kochia in potato, the weed guides list 1 active-ingredient group rated good or excellent, after checking that the products are labeled for potato.

Kochia control in potato

Every listed product is labeled for potato. 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 2 weed guides, 1 active-ingredient group is rated good or excellent for kochia in potato.

Example productActive ingredientsMOA groupRatings checked
Grapple
EPA 71368-121; same active ingredients on 8 other branded products
rimsulfuron2ND Weed Guide 2026: Ea (PDF); ND Weed Guide 2026: Ga (PDF); WinField Crop Protection 2026, potato: 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.