From labels and weed guides
Best herbicides for nutsedge-purple in cotton
For nutsedge-purple in cotton, the weed guides list 2 active-ingredient groups rated good or excellent, after checking that the products are labeled for cotton.
Nutsedge-purple control in cotton
Every listed product is labeled for cotton. 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, 2 active-ingredient groups are rated good or excellent for nutsedge-purple in cotton.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Envoke EPA 100-1132; same active ingredients on 1 other branded product | 2-pyridinesulfonamide, n-[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]-3-(2,2,2-trifluoroethoxy)-, monosodium salt, monohydrate | Ms Weed Guide 2025, ms cotton post: G (PDF) | |
| Sequence EPA 100-1185 | glyphosate and metolachlor | 9, 15 | Ms Weed Guide 2025, ms cotton post: 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.