From labels and weed guides
Best herbicides for lambsquarters in cotton
For lambsquarters in cotton, the weed guides list 9 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for cotton.
Lambsquarters 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, 9 active-ingredient groups are rated at least 80% control for lambsquarters in cotton.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Alligare Dicamba 4 EPA 81927-55; same active ingredients on 34 other branded products | dicamba | 4 | ND Weed Guide 2026: E → 90–99% control (PDF); ND Weed Guide 2026: G → 80–90% control (PDF) |
| Axill Solutions Flumi 51% WDG EPA 95055-14-93809; same active ingredients on 25 other branded products | flumioxazin | 14 | Ks Weed Guide 2026, ks cotton directed post: E → 90–100% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| BLASTWAVE 240 EC EPA 103087-15; same active ingredients on 13 other branded products | oxyfluorfen | 14 | ND Weed Guide 2026: G → 80–90% control (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Agent GT EPA 33270-30; same active ingredients on 3 other branded products | fomesafen and glyphosate | 9, 14 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Harmony GT XP EPA 279-9577; same active ingredients on 3 other branded products | thifensulfuron | 2 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Fever Prime EPA 89167-87-89391; same active ingredients on 2 other branded products | glufosinate and metolachlor | 10, 15 | Ks Weed Guide 2026, ks cotton post: G → 80–90% control (FieldMarshal policy interval) (PDF) |
| Reviton EPA 71512-37-74530 | tiafenacil | 14 | Ks Weed Guide 2026, ks cotton pre: G → 80–90% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Sharpen EPA 7969-278 | saflufenacil | 14 | ND Weed Guide 2026: E → 90–99% 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.
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: 2026-09-30.