From labels and weed guides

Best herbicides for ryegrass in cotton

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

Ryegrass 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, 1 active-ingredient group is rated good or excellent for ryegrass in cotton.

Example productActive ingredientsMOA groupRatings checked
Actylis Glufosinate 280SL
EPA 2749-637; same active ingredients on 31 other branded products
glufosinate10WinField Crop Protection 2026, cotton: 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.