From labels and weed guides
Best herbicides for spiny amaranth, waterhemp palmer in cotton
For spiny amaranth, waterhemp palmer in cotton, the weed guides list 17 active-ingredient groups rated good or excellent, after checking that the products are labeled for cotton.
Spiny Amaranth, Waterhemp Palmer 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, 17 active-ingredient groups are rated good or excellent for spiny amaranth, waterhemp palmer 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: 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) |
| Axill Solutions Flumi 51% WDG EPA 95055-14-93809; same active ingredients on 25 other branded products | flumioxazin | 14 | Ms Weed Guide 2025, ms cotton post: G (PDF) |
| Acumen EPA 241-337-55467; same active ingredients on 17 other branded products | pendimethalin | 3 | Ms Weed Guide 2025, ms cotton pre: G (PDF) |
| Aceto Trifluralin 4EC EPA 2749-561; same active ingredients on 13 other branded products | trifluralin | 3 | Ms Weed Guide 2025, ms cotton pre: G (PDF) |
| Agent 1.88 EPA 33270-31; same active ingredients on 13 other branded products | fomesafen | 14 | Ms Weed Guide 2025, ms cotton pre: E (PDF) |
| BLASTWAVE 240 EC EPA 103087-15; same active ingredients on 13 other branded products | oxyfluorfen | 14 | Ms Weed Guide 2025, ms cotton post: G (PDF) |
| Alligare Diuron 4L EPA 81927-44; same active ingredients on 12 other branded products | diuron | 5 | Ms Weed Guide 2025, ms cotton pre: E (PDF); Ms Weed Guide 2025, ms cotton post: E (PDF) |
| Boa EPA 83529-78; same active ingredients on 4 other branded products | lactofen | 14 | Ms Weed Guide 2025, ms cotton post: G (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) |
| 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) | |
| Zidua EPA 7969-338; same active ingredients on 1 other branded product | pyroxasulfone | 15 | Ms Weed Guide 2025, ms cotton post: 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.