From labels and weed guides
Best herbicides for pigweed in wheat
For pigweed in wheat, the weed guides list 25 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for wheat.
Pigweed 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 2 weed guides, 25 active-ingredient groups are rated at least 80% control for pigweed 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) |
| 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) |
| Alligare Dicamba 4 EPA 81927-55; same active ingredients on 34 other branded products | dicamba | 4 | Ks Weed Guide 2026, ks wheat post: G-E → 80–100% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Small Grain, mi small grain post: G → 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: G-E2 → 80–100% control (FieldMarshal policy interval) (PDF); Ks Weed Guide 2026, ks wheat post cont: E2 → 90–100% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Small Grain, mi small grain post: E → 90–100% control (FieldMarshal policy interval) (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) |
| AIM EC EPA 279-3241; same active ingredients on 12 other branded products | carfentrazone-ethyl | 14 | Ks Weed Guide 2026, ks wheat post: G → 80–90% control (FieldMarshal policy interval) (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) |
| Broclean EPA 34704-891; same active ingredients on 5 other branded products | bromoxynil | 6 | Ks Weed Guide 2026, ks wheat post: 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: G-E2 → 80–100% control (FieldMarshal policy interval) (PDF) |
| Cimarron Plus EPA 101563-183; same active ingredients on 3 other branded products | chlorsulfuron and metsulfuron-methyl | 2 | Ks Weed Guide 2026, ks wheat post: E2 → 90–100% control (FieldMarshal policy interval) (PDF); Ks Weed Guide 2026, ks wheat preemergence: G-E → 80–100% control (FieldMarshal policy interval) (PDF) |
| Harmony GT XP EPA 279-9577; same active ingredients on 3 other branded products | thifensulfuron | 2 | Ks Weed Guide 2026, ks wheat post: E2 → 90–100% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Small Grain, mi small grain post: E → 90–100% 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 | Ks Weed Guide 2026, ks wheat post: G → 80–90% 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
Data from current labels and weed guides. Last source update: 2026-10-01.