From labels and weed guides
Group 15 herbicides for pigweed in soybeans
There are 19 Group 15 active-ingredient groups rated good or excellent for pigweed in soybeans, with products labeled for soybeans.
Group 15 mode of action (MOA) options
Group 15 is a herbicide mode of action (MOA) group. Treat it as one resistance-management check, not as the whole program.
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 3 weed guides, 19 active-ingredient groups are rated good or excellent for pigweed 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 (PDF) |
| Boundary 6.5EC EPA 100-1162; same active ingredients on 13 other branded products | metolachlor and metribuzin | 5, 15 | ND Weed Guide 2026: G-E (PDF); Sd Soybean Weed Guide 2026, sd soybean: E (PDF); WinField Crop Protection 2026, soybean pp pre: G (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 (PDF); WinField Crop Protection 2026, soybean pp pre: E (PDF) |
| Prefix EPA 100-1268; same active ingredients on 7 other branded products | fomesafen and metolachlor | 14, 15 | Sd Soybean Weed Guide 2026, sd soybean: G (PDF); WinField Crop Protection 2026, soybean pp pre: E (PDF) |
| ANNIHILATE EPA 279-3601-55467; same active ingredients on 3 other branded products | pyroxasulfone and sulfentrazone | 14, 15 | ND Weed Guide 2026: G-E (PDF); WinField Crop Protection 2026, soybean pp pre: E (PDF) |
| Arrest CS EPA 83529-84; same active ingredients on 3 other branded products | acetochlor | 15 | Sd Soybean Weed Guide 2026, sd soybean: G (PDF); WinField Crop Protection 2026, soybean pp pre: G/E (PDF); WinField Crop Protection 2026, soybean pp pre: E (PDF) |
| Corsican EPA 7969-279-55467; same active ingredients on 2 other branded products | dimethenamid-p and saflufenacil | 14, 15 | ND Weed Guide 2026: G (PDF); Sd Soybean Weed Guide 2026, sd soybean: G (PDF); WinField Crop Protection 2026, soybean burndown: E (PDF); WinField Crop Protection 2026, soybean pp pre: E (PDF) |
| Anthem EPA 279-3450; same active ingredients on 1 other branded product | fluthiacet-methyl and pyroxasulfone | 14, 15 | ND Weed Guide 2026: G-E (PDF); WinField Crop Protection 2026, soybean post: G (PDF); WinField Crop Protection 2026, soybean pp pre: G (PDF) |
| Fierce EPA 59639-193; same active ingredients on 1 other branded product | flumioxazin and pyroxasulfone | 14, 15 | ND Weed Guide 2026: G-E (PDF); Sd Soybean Weed Guide 2026, sd soybean: E (PDF); WinField Crop Protection 2026, soybean pp pre: E (PDF) |
| Forrest EPA 83529-102; same active ingredients on 1 other branded product | acetochlor and fomesafen | 14, 15 | WinField Crop Protection 2026, soybean post: E (PDF); WinField Crop Protection 2026, soybean pp pre: G (PDF) |
| Outlook EPA 7969-156; same active ingredients on 1 other branded product | dimethenamid-p | 15 | Sd Soybean Weed Guide 2026, sd soybean: G (PDF); WinField Crop Protection 2026, soybean pp pre: G (PDF) |
| Zidua EPA 7969-338; same active ingredients on 1 other branded product | pyroxasulfone | 15 | ND Weed Guide 2026: G-E (PDF); 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
Data from current labels and weed guides. Last source update: 2026-07-14.