From labels and weed guides
Best herbicides for shepherd's-purse in wheat
For shepherd's-purse in wheat, the weed guides list 35 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for wheat.
Shepherd's-purse 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 6 weed guides, 35 active-ingredient groups are rated at least 80% control for shepherd's-purse 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); Ms Weed Guide 2025, ms burndown: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| 2,4-D Amine 4 EPA 1381-103; same active ingredients on 76 other branded products | 2,4-d | 4 | Ks Weed Guide 2026, ks wheat post cont: E → 90–100% control (FieldMarshal policy interval) (PDF); Ky Weed Guide 2025, ky wheat postemergence: G → 80–90% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms small grain: 7 → 80–90% control (FieldMarshal policy interval) (PDF); Tn Weed Guide 2026, tn wheat: 7 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Alligare Dicamba 4 EPA 81927-55; same active ingredients on 34 other branded products | dicamba | 4 | Ks Weed Guide 2026, ks wheat post: G → 80–90% control (FieldMarshal policy interval) (PDF); Ky Weed Guide 2025, ky wheat postemergence: G → 80–90% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Small Grain, mi small grain post: G → 80–90% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms burndown: 8 → 80–90% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms small grain: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Affinity BroadSpec EPA 279-9601; same active ingredients on 26 other branded products | thifensulfuron and tribenuron-methyl | 2 | Ks Weed Guide 2026, ks wheat post: E → 90–100% control (FieldMarshal policy interval) (PDF); Ks Weed Guide 2026, ks wheat post cont: G → 80–90% control (FieldMarshal policy interval) (PDF); 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) |
| Base Camp MCP Ester EPA 2935-554; same active ingredients on 15 other branded products | mcpa | 4 | Ks Weed Guide 2026, ks wheat post cont: G → 80–90% control (FieldMarshal policy interval) (PDF); Ky Weed Guide 2025, ky wheat postemergence: G → 80–90% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Small Grain, mi small grain post: G → 80–90% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms small grain: 7 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 12 other branded products | paraquat | 22 | Ms Weed Guide 2025, ms burndown: 9 → 90–100% control (FieldMarshal policy interval) (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: E → 91–100% control (PDF) |
| 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) |
| DuPont GR1 EPA 352-884; same active ingredients on 6 other branded products | pyroxsulam | 2 | Mi Weed Guide 2026 Small Grain, mi small grain post: G → 80–90% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms small grain: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Broclean EPA 34704-891; same active ingredients on 5 other branded products | bromoxynil | 6 | Ks Weed Guide 2026, ks wheat post: G-E → 80–100% control (FieldMarshal policy interval) (PDF) |
| Divergence 75 WDG EPA 34704-1179; same active ingredients on 4 other branded products | sulfosulfuron | 2 | Ks Weed Guide 2026, ks wheat post cont: G → 80–90% control (FieldMarshal policy interval) (PDF) |
| ACCURATE EXTRA EPA 279-3558; same active ingredients on 3 other branded products | metsulfuron-methyl, thifensulfuron, and tribenuron-methyl | 2 | Ks Weed Guide 2026, ks wheat post: E → 90–100% 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
- Ks Weed Guide 2026 (PDF)
- Ky Weed Guide 2025 (PDF)
- 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.