From labels and weed guides

Best herbicides for chickweed in cotton

For chickweed in cotton, the weed guides list 4 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for cotton.

Chickweed control in cotton

Every listed product is labeled for cotton. 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 3 weed guides, 4 active-ingredient groups are rated at least 80% control for chickweed in cotton.

Example productActive ingredientsMOA groupRatings checked
Alligare Dicamba 4
EPA 81927-55; same active ingredients on 34 other branded products
dicamba4Ms Weed Guide 2025, ms burndown: 8 → 80–90% control (FieldMarshal policy interval) (PDF); Tn Weed Guide 2026, tn burndown cotton: 9 → 90–100% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, cotton: G → 81–90% control (PDF)
Actylis Glufosinate 280SL
EPA 2749-637; same active ingredients on 31 other branded products
glufosinate10Ms Weed Guide 2025, ms burndown: 9 → 90–100% control (FieldMarshal policy interval) (PDF); Tn Weed Guide 2026, tn burndown cotton: 9 → 90–100% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, cotton: E → 91–100% control (PDF)
Bonedry
EPA 82557-1; same active ingredients on 13 other branded products
paraquat22Ms Weed Guide 2025, ms burndown: 9 → 90–100% control (FieldMarshal policy interval) (PDF)
FIRSTSHOT SG
EPA 279-9609; same active ingredients on 8 other branded products
thifensulfuron and tribenuron-methyl2WinField Crop Protection 2026, cotton: E → 91–100% 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.