From labels and weed guides
Best herbicides for russian thistle in soybeans
For russian thistle in soybeans, the weed guides list 29 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for soybeans.
Russian Thistle 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 2 weed guides, 29 active-ingredient groups are rated at least 80% control for russian thistle in soybeans, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Actylis Metribuzin EPA 2749-660; same active ingredients on 32 other branded products | metribuzin | 5 | ND Weed Guide 2026: G-E → 80–99% control (PDF); WinField Crop Protection 2026, soybean pp pre: G → 81–90% control (PDF) |
| Actylis Glufosinate 280SL EPA 2749-637; same active ingredients on 31 other branded products | glufosinate | 10 | ND Weed Guide 2026: G-E → 80–99% control (PDF); WinField Crop Protection 2026, soybean burndown, Q17 rating table, pp. 13, 14, 16, 106, 107, 108, 459, 460: G → 81–90% control (PDF); WinField Crop Protection 2026, soybean post, U04 rating table, pp. 16, 108, 190, 246, 264, 304, 347, 374, 390, 407, 426, 474, 518, 568: G → 81–90% control (PDF) |
| Antares EPA 82534-5-5905; same active ingredients on 19 other branded products | sulfentrazone | 14 | ND Weed Guide 2026: G-E → 80–99% control (PDF); WinField Crop Protection 2026, soybean pp pre: E → 91–100% control (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| BLASTWAVE 240 EC EPA 103087-15; same active ingredients on 12 other branded products | oxyfluorfen | 14 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Authority Elite EPA 279-3442; same active ingredients on 9 other branded products | metolachlor and sulfentrazone | 14, 15 | ND Weed Guide 2026: G-E → 80–99% control (PDF); WinField Crop Protection 2026, soybean pp pre: G → 81–90% control (PDF) |
| Abigor EPA 34704-1174; same active ingredients on 8 other branded products | imazamox | 2 | ND Weed Guide 2026: G-Ea → 80–99% control (PDF); WinField Crop Protection 2026, soybean post: G → 81–90% control (PDF) |
| Antares Prime EPA 82534-10-5905; same active ingredients on 8 other branded products | cloransulam-methyl and sulfentrazone | 2, 14 | 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 | WinField Crop Protection 2026, soybean pp pre: G → 81–90% control (PDF) |
| Authority Assist EPA 279-3330; same active ingredients on 5 other branded products | imazethapyr and sulfentrazone | 2, 14 | ND Weed Guide 2026: G-E → 80–99% control (PDF); WinField Crop Protection 2026, soybean pp pre: G/E → 81–100% control (PDF) |
| Authority Maxx EPA 279-9560; same active ingredients on 5 other branded products | chlorimuron and sulfentrazone | 2, 14 | WinField Crop Protection 2026, soybean pp pre: E → 91–100% control (PDF) |
| Accolade EPA 62719-277-279; same active ingredients on 4 other branded products | flumetsulam | 2 | WinField Crop Protection 2026, soybean pp pre: 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
Data from current labels and weed guides. Last source update: 2026-09-30.