From labels and weed guides
Best herbicides for shepherd's-purse in barley
For shepherd's-purse in barley, the weed guides list 21 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for barley.
Shepherd's-purse control in barley
Every listed product is labeled for barley. 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 3 weed guides, 21 active-ingredient groups are rated at least 80% control for shepherd's-purse in barley, 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 | Ms Weed Guide 2025, ms small grain: 7 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Alligare Dicamba 4 EPA 81927-55; same active ingredients on 35 other branded products | dicamba | 4 | 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 25 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) |
| Base Camp MCP Ester EPA 2935-554; same active ingredients on 15 other branded products | mcpa | 4 | 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) |
| Express EPA 279-9594; same active ingredients on 4 other branded products | tribenuron-methyl | 2 | Mi Weed Guide 2026 Small Grain, mi small grain post: G → 80–90% 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: G → 80–90% control (FieldMarshal policy interval) (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: E → 91–100% control (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: E → 90–100% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, small grains: E → 91–100% 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
Data from current labels and weed guides. Last source update: 2026-09-30.