From labels and weed guides
Best herbicides for pennsylvania smartweed in cotton
For pennsylvania smartweed in cotton, the weed guides list 11 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for cotton.
Pennsylvania Smartweed 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 2 weed guides, 11 active-ingredient groups are rated at least 80% control for pennsylvania smartweed in cotton.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 78623 58% Technical Solution EPA 524-532; same active ingredients on 83 other branded products | glyphosate | 9 | Ms Weed Guide 2025, ms cotton post: 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 | glufosinate | 10 | Ms Weed Guide 2025, ms cotton post: 8 → 80–90% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, cotton: G/E → 81–100% control (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: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| BLASTWAVE 240 EC EPA 103087-15; same active ingredients on 13 other branded products | oxyfluorfen | 14 | Ms Weed Guide 2025, ms cotton post: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| FIRSTSHOT SG EPA 279-9609; same active ingredients on 8 other branded products | thifensulfuron and tribenuron-methyl | 2 | WinField Crop Protection 2026, cotton: E → 91–100% control (PDF) |
| Caravel EPA 60063-58; same active ingredients on 7 other branded products | clomazone | 13 | Ms Weed Guide 2025, ms cotton pre: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Boa EPA 83529-78; same active ingredients on 4 other branded products | lactofen | 14 | Ms Weed Guide 2025, ms cotton post: 7 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Cotoran 4L EPA 66222-181; same active ingredients on 1 other branded product | fluometuron | 5 | Ms Weed Guide 2025, ms cotton pre: 7 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Reviton EPA 71512-37-74530 | tiafenacil | 14 | Ms Weed Guide 2025, ms cotton post: 7 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Sequence EPA 100-1185 | glyphosate and metolachlor | 9, 15 | Ms Weed Guide 2025, ms cotton post: 7 → 80–90% control (FieldMarshal policy interval) (PDF) |
| SOLICAM DF EPA 61842-41 | norflurazon | 12 | Ms Weed Guide 2025, ms cotton pre: 7 → 80–90% control (FieldMarshal policy interval) (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.