From labels and weed guides
Group 2 herbicides for wntr. annual mustard in corn silage
There are 9 Group 2 active-ingredient groups rated good or excellent for wntr. annual mustard in corn silage, with products labeled for corn silage.
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 corn silage. 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 1 weed guide, 9 active-ingredient groups are rated good or excellent for wntr. annual mustard in corn silage.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Definite EPA 83529-105; same active ingredients on 7 other branded products | acetochlor, clopyralid, and flumetsulam | 2, 4, 15 | ND Weed Guide 2026: E (PDF) |
| Broadleaf Blend EPA 5481-678; same active ingredients on 4 other branded products | clopyralid and flumetsulam | 2, 4 | ND Weed Guide 2026: E (PDF) |
| Equip EPA 83100-57-83979; same active ingredients on 2 other branded products | mesotrione and rimsulfuron | 2, 27 | ND Weed Guide 2026: E (PDF) |
| Resolve Q EPA 352-777; same active ingredients on 1 other branded product | rimsulfuron and thifensulfuron | 2 | ND Weed Guide 2026: E (PDF) |
| Corvus EPA 264-1066 | isoxaflutole and thiencarbazone-methyl | 2, 27 | ND Weed Guide 2026: G-E (PDF) |
| Prequel EPA 352-779 | isoxaflutole and rimsulfuron | 2, 27 | ND Weed Guide 2026: E (PDF) |
| Resolve SG EPA 352-748 | rimsulfuron | 2 | ND Weed Guide 2026: E (PDF) |
| REVULIN Q EPA 352-900 | mesotrione and nicosulfuron | 2, 27 | ND Weed Guide 2026: E (PDF) |
| Trivolt EPA 264-1211 | flufenacet, isoxaflutole, and thiencarbazone-methyl | 2, 15, 27 | ND Weed Guide 2026: G-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.
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.