From labels and weed guides
Best herbicides for wild buckwheat in sudangrass
For wild buckwheat in sudangrass, the weed guides list 1 active-ingredient group rated good or excellent, after checking that the products are labeled for sudangrass.
Wild Buckwheat control in sudangrass
Every listed product is labeled for sudangrass. 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, 1 active-ingredient group is rated good or excellent for wild buckwheat in sudangrass.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Alligare Dicamba 4 EPA 81927-55; same active ingredients on 30 other branded products | dicamba | 4 | ND 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.
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Sources
Data from current labels and weed guides. Last source update: 2026-07-14.