From labels and weed guides
Best herbicides for horseweed in wheat
For horseweed in wheat, the weed guides list 17 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for wheat.
Horseweed control in wheat
Every listed product is labeled for wheat. 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 5 weed guides, 17 active-ingredient groups are rated at least 80% control for horseweed in wheat, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Ally XP EPA 279-9575; same active ingredients on 10 other branded products | metsulfuron-methyl | 2 | WinField Crop Protection 2026, small grains: G → 81–90% control (PDF) |
| Bite EPA 83529-74; same active ingredients on 8 other branded products | clopyralid | 4 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| COLT AS EPA 34704-1019; same active ingredients on 5 other branded products | clopyralid and fluroxypyr 1-methylheptyl ester | 4 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Carnivore EPA 1381-249; same active ingredients on 2 other branded products | bromoxynil, fluroxypyr 1-methylheptyl ester, and mcpa | 4, 6 | WinField Crop Protection 2026, small grains: G/E → 81–100% control (PDF) |
| Imitator + 2,4-D EPA 19713-635; same active ingredients on 2 other branded products | 2,4-d and glyphosate | 4, 9 | ND Weed Guide 2026: G-Ea → 80–99% control (PDF) |
| Boomer PRX EPA 62719-685-55467; same active ingredients on 1 other branded product | clopyralid, fluroxypyr 1-methylheptyl ester, and pyroxsulam | 2, 4 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Commando EPA 42750-92; same active ingredients on 1 other branded product | 2,4-d and clopyralid | 4 | ND Weed Guide 2026: G → 80–90% control (PDF); WinField Crop Protection 2026, small grains: G → 81–90% control (PDF) |
| Peak EPA 100-763; same active ingredients on 1 other branded product | prosulfuron | 2 | Ms Weed Guide 2025, ms small grain: 7 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Wolverine EPA 264-1075; same active ingredients on 1 other branded product | bromoxynil, fenoxaprop-p-ethyl, and pyrasulfotole | 1, 6, 27 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Curtail M EPA 62719-86 | clopyralid and mcpa | 4 | ND Weed Guide 2026: G → 80–90% control (PDF); WinField Crop Protection 2026, small grains: G → 81–90% control (PDF) |
| Huskie EPA 264-1023 | bromoxynil and pyrasulfotole | 6, 27 | Ms Weed Guide 2025, ms small grain: 9 → 90–100% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: G-E → 80–99% control (PDF); Tn Weed Guide 2026, tn wheat: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| Huskie Complete EPA 264-1135 | bromoxynil, pyrasulfotole, and thiencarbazone-methyl | 2, 6, 27 | ND Weed Guide 2026: G-E → 80–99% 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.
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Sources
- Ky Weed Guide 2025 (PDF)
- Ms Weed Guide 2025 (PDF)
- ND Weed Guide 2026 (PDF)
- Tn Weed Guide 2026 (PDF)
- WinField Crop Protection 2026 (PDF)
Data from current labels and weed guides. Last source update: 2026-09-30.