From labels and weed guides
Best herbicides for waterhemp in soybeans
For waterhemp in soybeans, the weed guides list 22 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for soybeans.
Waterhemp control in soybeans
Every listed product is labeled for soybeans. 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 5 weed guides, 22 active-ingredient groups are rated at least 80% control for waterhemp in soybeans, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Brawl EPA 100-816-55467; same active ingredients on 40 other branded products | metolachlor | 15 | WinField Crop Protection 2026, soybean pp pre: G → 81–90% control (PDF) |
| Authority Elite EPA 279-3442; same active ingredients on 9 other branded products | metolachlor and sulfentrazone | 14, 15 | Mi Weed Guide 2026 Soybeans, mi soybean soil premix: G → 80–90% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: G-E → 80–99% control (PDF); WinField Crop Protection 2026, soybean pp pre: E → 91–100% control (PDF) |
| Aquesta MTZ EPA 91234-49; same active ingredients on 5 other branded products | metribuzin and sulfentrazone | 5, 14 | Mi Weed Guide 2026 Soybeans, mi soybean soil premix: G → 80–90% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, soybean pp pre: E → 91–100% control (PDF) |
| Authority Maxx EPA 279-9560; same active ingredients on 5 other branded products | chlorimuron and sulfentrazone | 2, 14 | Ky Weed Guide 2025, ky soybean preemergence: 8 → 80–90% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Soybeans, mi soybean soil premix: G → 80–90% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, soybean pp pre: E → 91–100% control (PDF) |
| ANNIHILATE EPA 279-3601-55467; same active ingredients on 3 other branded products | pyroxasulfone and sulfentrazone | 14, 15 | Mi Weed Guide 2026 Soybeans, mi soybean soil premix: G → 80–90% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: G-E → 80–99% control (PDF); WinField Crop Protection 2026, soybean pp pre: E → 91–100% control (PDF) |
| Flu-Rimuron EPA 85678-48; same active ingredients on 2 other branded products | chlorimuron and flumioxazin | 2, 14 | Ky Weed Guide 2025, ky soybean preemergence: 8 → 80–90% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Soybeans, mi soybean soil premix p4: G → 80–90% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, soybean pp pre: G/E → 81–100% control (PDF) |
| Linex 4L EPA 61842-21; same active ingredients on 2 other branded products | linuron | 5 | WinField Crop Protection 2026, soybean pp pre: G → 81–90% control (PDF) |
| Antares Complete EPA 5905-623; same active ingredients on 1 other branded product | metolachlor, metribuzin, and sulfentrazone | 5, 14, 15 | Ky Weed Guide 2025, ky soybean preemergence: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Dimetric Charged EPA 71368-125-1381; same active ingredients on 1 other branded product | flumioxazin and metribuzin | 5, 14 | Mi Weed Guide 2026 Soybeans, mi soybean soil premix: E → 90–100% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, soybean pp pre: G/E → 81–100% control (PDF) |
| Enlite EPA 352-757; same active ingredients on 1 other branded product | chlorimuron, flumioxazin, and thifensulfuron | 2, 14 | Ky Weed Guide 2025, ky soybean preemergence: 8 → 80–90% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Soybeans, mi soybean soil premix: G → 80–90% control (FieldMarshal policy interval) (PDF); Sd Soybean Weed Guide 2026, sd soybean: 8 → 80–90% control (PDF); WinField Crop Protection 2026, soybean pp pre: G → 81–90% control (PDF) |
| Fierce EPA 59639-193; same active ingredients on 1 other branded product | flumioxazin and pyroxasulfone | 14, 15 | Mi Weed Guide 2026 Soybeans, mi soybean soil premix: E → 90–100% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: G-E → 80–99% control (PDF); Sd Soybean Weed Guide 2026, sd soybean: 9 → 90–99% control (PDF); WinField Crop Protection 2026, soybean pp pre: E → 91–100% control (PDF) |
| Forrest EPA 83529-102; same active ingredients on 1 other branded product | acetochlor and fomesafen | 14, 15 | Mi Weed Guide 2026 Soybeans, mi soybean soil premix p4: G → 80–90% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Soybeans, mi soybean post: G → 80–90% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, soybean pp pre: G → 81–90% control (PDF); WinField Crop Protection 2026, soybean post: 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
- Ky Weed Guide 2025 (PDF)
- Mi Weed Guide 2026 Soybeans (PDF)
- ND Weed Guide 2026 (PDF)
- Sd Soybean Weed Guide 2026 (PDF)
- WinField Crop Protection 2026 (PDF)
Data from current labels and weed guides. Last source update: 2026-09-30.