From labels and weed guides
Group 2 herbicides for smartweed in soybeans
There are 10 Group 2 active-ingredient groups rated good or excellent for smartweed in soybeans, with products labeled for soybeans.
Group 2 mode of action (MOA) options
Group 2 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 2 weed guides, 10 active-ingredient groups are rated good or excellent for smartweed in soybeans.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Axill Solutions Imazethapyr 2SL EPA 93809-3; same active ingredients on 10 other branded products | imazethapyr | 2 | Ia Weed Guide 2025, ia soybean post: E (PDF); Ia Weed Guide 2025, ia soybean pre: G-E (PDF); Sd Soybean Weed Guide 2026, sd soybean: G (PDF) |
| Abigor EPA 34704-1174; same active ingredients on 8 other branded products | imazamox | 2 | Ia Weed Guide 2025, ia soybean post: E (PDF); Sd Soybean Weed Guide 2026, sd soybean: G (PDF) |
| Antares Prime EPA 82534-10-5905; same active ingredients on 8 other branded products | cloransulam-methyl and sulfentrazone | 2, 14 | Sd Soybean Weed Guide 2026, sd soybean: G (PDF) |
| Ankur EPA 83529-98; same active ingredients on 7 other branded products | cloransulam-methyl | 2 | Sd Soybean Weed Guide 2026, sd soybean: G (PDF) |
| Accolade EPA 62719-277-279; same active ingredients on 4 other branded products | flumetsulam | 2 | Ia Weed Guide 2025, ia soybean pre: G-E (PDF); Sd Soybean Weed Guide 2026, sd soybean: 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); Sd Soybean Weed Guide 2026, sd soybean: G (PDF) |
| Harmony GT XP EPA 279-9577; same active ingredients on 4 other branded products | thifensulfuron | 2 | Ia Weed Guide 2025, ia soybean post: G-E (PDF); Sd Soybean Weed Guide 2026, sd soybean: G (PDF) |
| Enlite EPA 352-757; same active ingredients on 1 other branded product | chlorimuron, flumioxazin, and thifensulfuron | 2, 14 | Sd Soybean Weed Guide 2026, sd soybean: G (PDF) |
| Surveil EPA 62719-689 | cloransulam-methyl and flumioxazin | 2, 14 | Sd Soybean Weed Guide 2026, sd soybean: G (PDF) |
| Synchrony XP EPA 352-648 | chlorimuron and thifensulfuron | 2 | Sd Soybean Weed Guide 2026, sd soybean: G (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.
Build the full program
Check crop, timing, state, resistance, and rotation in one plan before you make a recommendation.
Sources
Data from current labels and weed guides. Last source update: 2026-07-14.