From labels and weed guides
Best herbicides for kochia in potato
For kochia in potato, the weed guides list 2 active-ingredient groups with every rating at least 80% control, 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 has a lower interval bound of at least 80% control for the active-ingredient group. If a guide gives a range, its lower bound must be at least 80%.
Based on 2 weed guides, 2 active-ingredient groups are rated at least 80% control for kochia in potato.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Grapple EPA 71368-121; same active ingredients on 8 other branded products | rimsulfuron | 2 | ND Weed Guide 2026: Ea → 90–99% control (PDF); ND Weed Guide 2026: Ga → 80–90% control (PDF); WinField Crop Protection 2026, potato: G → 81–90% control (PDF) |
Rating bands: E 90-100%, G 80-89%, F 70-79%, P under 70%, N none. Policy intervals are marked in the source ratings. 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. Read the rating method.
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Sources
Data from current labels and weed guides. Last source update: 2026-09-30.