From labels and weed guides
Best herbicides for mayweed in wheat
For mayweed in wheat, the weed guides list 16 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for wheat.
Mayweed 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 4 weed guides, 16 active-ingredient groups are rated at least 80% control for mayweed in wheat, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| ABUNDIT Edge EPA 352-922; same active ingredients on 79 other branded products | glyphosate | 9 | Mi Weed Guide 2026 Small Grain, mi small grain burndown: E → 90–100% control (FieldMarshal policy interval) (PDF) |
| Affinity BroadSpec EPA 279-9601; same active ingredients on 26 other branded products | thifensulfuron and tribenuron-methyl | 2 | Mi Weed Guide 2026 Small Grain, mi small grain post: E → 90–100% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, small grains: E → 91–100% control (PDF) |
| Bison EPA 71368-28-1381; same active ingredients on 11 other branded products | bromoxynil and mcpa | 4, 6 | 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 | Mi Weed Guide 2026 Small Grain, mi small grain post: G → 80–90% control (FieldMarshal policy interval) (PDF) |
| DuPont GR1 EPA 352-884; same active ingredients on 6 other branded products | pyroxsulam | 2 | Ms Weed Guide 2025, ms small grain: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| COLT AS EPA 34704-1019; same active ingredients on 5 other branded products | clopyralid and fluroxypyr 1-methylheptyl ester | 4 | Mi Weed Guide 2026 Small Grain, mi small grain post: G → 80–90% control (FieldMarshal policy interval) (PDF) |
| Express EPA 279-9594; same active ingredients on 5 other branded products | tribenuron-methyl | 2 | Mi Weed Guide 2026 Small Grain, mi small grain post: E → 90–100% control (FieldMarshal policy interval) (PDF) |
| Harmony GT XP EPA 279-9577; same active ingredients on 3 other branded products | thifensulfuron | 2 | Mi Weed Guide 2026 Small Grain, mi small grain post: E → 90–100% control (FieldMarshal policy interval) (PDF) |
| Boomer PRX EPA 62719-685-55467; same active ingredients on 1 other branded product | clopyralid, fluroxypyr 1-methylheptyl ester, and pyroxsulam | 2, 4 | Mi Weed Guide 2026 Small Grain, mi small grain post: G → 80–90% control (FieldMarshal policy interval) (PDF) |
| Commando EPA 42750-92; same active ingredients on 1 other branded product | 2,4-d and clopyralid | 4 | Mi Weed Guide 2026 Small Grain, mi small grain post: G → 80–90% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, small grains: E → 91–100% control (PDF) |
| GLEAN XP EPA 279-9600; same active ingredients on 1 other branded product | chlorsulfuron | 2 | WinField Crop Protection 2026, small grains: G → 81–90% control (PDF) |
| Agility SG EPA 352-751 | dicamba, metsulfuron-methyl, thifensulfuron, and tribenuron-methyl | 2, 4 | WinField Crop Protection 2026, small grains: G/E → 81–100% 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
- Mi Weed Guide 2026 Small Grain (PDF)
- Ms Weed Guide 2025 (PDF)
- Tn Weed Guide 2026 (PDF)
- WinField Crop Protection 2026 (PDF)
Data from current labels and weed guides. Last source update: 2026-09-30.