From labels and weed guides
Best herbicides for common ragweed in soybeans
For common ragweed in soybeans, the weed guides list 18 active-ingredient groups rated good or excellent, after checking that the products are labeled for soybeans.
Common Ragweed control in soybeans
Every listed product is labeled for soybeans. Ratings are shown when each weed guide that rates this weed stays at good or excellent for the active-ingredient group. If a guide gives a range, the weaker end of the range has to be good or excellent.
Based on 5 weed guides, 18 active-ingredient groups are rated good or excellent for common ragweed in soybeans, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 2,4-D Amine 4 EPA 1381-103; same active ingredients on 76 other branded products | 2,4-d | 4 | ND Weed Guide 2026: E (PDF); WinField Crop Protection 2026, soybean post: G (PDF) |
| Alligare Dicamba 4 EPA 81927-55; same active ingredients on 28 other branded products | dicamba | 4 | ND Weed Guide 2026: E (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | Ms Weed Guide 2025, ms soybean post directed: G (PDF); ND Weed Guide 2026: G-E (PDF); WinField Crop Protection 2026, soybean burndown: E (PDF) |
| BLASTWAVE 240 EC EPA 103087-15; same active ingredients on 12 other branded products | oxyfluorfen | 14 | ND Weed Guide 2026: G (PDF) |
| FIRSTSHOT SG EPA 279-9609; same active ingredients on 11 other branded products | thifensulfuron and tribenuron-methyl | 2 | WinField Crop Protection 2026, soybean burndown: E (PDF) |
| Authority Maxx EPA 279-9560; same active ingredients on 5 other branded products | chlorimuron and sulfentrazone | 2, 14 | Ms Weed Guide 2025, ms soybean pre: G (PDF); WinField Crop Protection 2026, soybean pp pre: G (PDF) |
| Classic EPA 352-436; same active ingredients on 4 other branded products | chlorimuron | 2 | Ia Weed Guide 2025, ia soybean post: G-E (PDF); Ms Weed Guide 2025, ms soybean post: G (PDF); Sd Soybean Weed Guide 2026, sd soybean: G (PDF); WinField Crop Protection 2026, soybean post: G (PDF) |
| Herbivore EPA 2749-528-1381; same active ingredients on 3 other branded products | halosulfuron-methyl | 2 | ND Weed Guide 2026: E (PDF); ND Weed Guide 2026: G-E (PDF) |
| Canopy EX EPA 352-635; same active ingredients on 2 other branded products | chlorimuron and tribenuron-methyl | 2 | WinField Crop Protection 2026, soybean pp pre: G (PDF) |
| Flu-Rimuron EPA 85678-48; same active ingredients on 2 other branded products | chlorimuron and flumioxazin | 2, 14 | Ms Weed Guide 2025, ms soybean pre: E (PDF); WinField Crop Protection 2026, soybean pp pre: E (PDF) |
| Linex 4L EPA 61842-21; same active ingredients on 2 other branded products | linuron | 5 | Ms Weed Guide 2025, ms soybean post directed: G (PDF); WinField Crop Protection 2026, soybean pp pre: G (PDF) |
| Dimetric Charged EPA 71368-125-1381; same active ingredients on 1 other branded product | flumioxazin and metribuzin | 5, 14 | WinField Crop Protection 2026, soybean pp pre: E (PDF) |
Rating legend: E=excellent, G=good, F=fair, P=poor, N=no control. 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.
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Sources
- Ia Weed Guide 2025 (PDF)
- Ms Weed Guide 2025 (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: 2026-07-14.