From labels and weed guides
Best herbicides for common barnyardgrass in cotton
For common barnyardgrass in cotton, the weed guides list 22 active-ingredient groups rated good or excellent, after checking that the products are labeled for cotton.
Common Barnyardgrass 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 3 weed guides, 22 active-ingredient groups are rated good or excellent for common barnyardgrass in cotton, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 78623 58% Technical Solution EPA 524-532; same active ingredients on 84 other branded products | glyphosate | 9 | Ms Weed Guide 2025, ms cotton post: G (PDF); ND Weed Guide 2026: E (PDF); ND Weed Guide 2026: G (PDF); WinField Crop Protection 2026, cotton: E (PDF) |
| Arrow 2EC EPA 66222-60; same active ingredients on 37 other branded products | clethodim | 1 | Ms Weed Guide 2025, ms cotton post: E (PDF); ND Weed Guide 2026: E (PDF) |
| Actylis Glufosinate 280SL EPA 2749-637; same active ingredients on 31 other branded products | glufosinate | 10 | Ms Weed Guide 2025, ms cotton post: G (PDF); ND Weed Guide 2026: E (PDF); WinField Crop Protection 2026, cotton: G (PDF) |
| Acumen EPA 241-337-55467; same active ingredients on 17 other branded products | pendimethalin | 3 | Ms Weed Guide 2025, ms cotton pre: E (PDF); ND Weed Guide 2026: E (PDF) |
| Aceto Trifluralin 4EC EPA 2749-561; same active ingredients on 13 other branded products | trifluralin | 3 | Ms Weed Guide 2025, ms cotton pre: E (PDF); ND Weed Guide 2026: E (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | ND Weed Guide 2026: G (PDF) |
| Caravel EPA 60063-58; same active ingredients on 7 other branded products | clomazone | 13 | Ms Weed Guide 2025, ms cotton pre: E (PDF) |
| Grapple EPA 71368-121; same active ingredients on 5 other branded products | rimsulfuron | 2 | ND Weed Guide 2026: G (PDF); ND Weed Guide 2026: G-E (PDF) |
| Crusher EPA 279-3589; same active ingredients on 4 other branded products | rimsulfuron and thifensulfuron | 2 | ND Weed Guide 2026: G-E (PDF) |
| Agent GT EPA 33270-30; same active ingredients on 3 other branded products | fomesafen and glyphosate | 9, 14 | ND Weed Guide 2026: E (PDF) |
| Arrest CS EPA 83529-84; same active ingredients on 3 other branded products | acetochlor | 15 | Ms Weed Guide 2025, ms cotton pre: G (PDF); Ms Weed Guide 2025, ms cotton post: G (PDF); ND Weed Guide 2026: E (PDF) |
| Assure II EPA 352-541; same active ingredients on 3 other branded products | quizalofop-p-ethyl | 1 | 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.
Build the full program
Check crop, timing, state, resistance, and rotation in one plan before you make a recommendation.
Sources
Data from current labels and weed guides. Last source update: 2026-07-14.