From labels and weed guides
Best herbicides for pigweed in fallow
For pigweed in fallow, the weed guides list 10 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for fallow.
Pigweed control in fallow
Every listed product is labeled for fallow. 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, 10 active-ingredient groups are rated at least 80% control for pigweed in fallow.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Alligare Dicamba 4 EPA 81927-55; same active ingredients on 36 other branded products | dicamba | 4 | Ks Weed Guide 2026, ks wheat fallow pre: G-E2 → 80–100% control (FieldMarshal policy interval) (PDF) |
| AAtrex 4L EPA 100-497; same active ingredients on 32 other branded products | atrazine | 5 | Ks Weed Guide 2026, ks wheat fallow pre: G2 → 80–90% control (FieldMarshal policy interval) (PDF) |
| BL2 EPA 279-9624; same active ingredients on 29 other branded products | metribuzin | 5 | Ks Weed Guide 2026, ks wheat fallow pre: G → 80–90% control (FieldMarshal policy interval) (PDF) |
| Axill Solutions Flumi 51% WDG EPA 95055-14-93809; same active ingredients on 27 other branded products | flumioxazin | 14 | Ks Weed Guide 2026, ks wheat fallow pre: E2 → 90–100% control (FieldMarshal policy interval) (PDF) |
| Affinity BroadSpec EPA 279-9601; same active ingredients on 25 other branded products | thifensulfuron and tribenuron-methyl | 2 | WinField Crop Protection 2026, fallow: E → 91–100% control (PDF) |
| Antares EPA 82534-5-5905; same active ingredients on 17 other branded products | sulfentrazone | 14 | Ks Weed Guide 2026, ks wheat fallow pre: E → 90–100% control (FieldMarshal policy interval) (PDF) |
| Express EPA 279-9594; same active ingredients on 4 other branded products | tribenuron-methyl | 2 | WinField Crop Protection 2026, fallow: E → 91–100% control (PDF) |
| Basis Blend EPA 352-854; same active ingredients on 2 other branded products | rimsulfuron and thifensulfuron | 2 | WinField Crop Protection 2026, fallow: E → 91–100% control (PDF) |
| Agility SG EPA 352-751 | dicamba, metsulfuron-methyl, thifensulfuron, and tribenuron-methyl | 2, 4 | WinField Crop Protection 2026, fallow: E → 91–100% control (PDF) |
| Sharpen EPA 7969-278 | saflufenacil | 14 | WinField Crop Protection 2026, fallow: G → 81–90% 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: 2026-10-01.