From labels and weed guides
Group 27 herbicides for marshelder in corn silage
There are 12 Group 27 active-ingredient groups rated good or excellent for marshelder in corn silage, with products labeled for corn silage.
Group 27 mode of action (MOA) options
Group 27 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, 12 active-ingredient groups are rated good or excellent for marshelder in corn silage.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Comply EPA 100-1414-55467; same active ingredients on 13 other branded products | atrazine, mesotrione, and metolachlor | 5, 15, 27 | ND Weed Guide 2026: E (PDF) |
| Orador EPA 91234-324; same active ingredients on 3 other branded products | acetochlor, clopyralid, and mesotrione | 4, 15, 27 | ND Weed Guide 2026: E (PDF) |
| DuPont BL4 EPA 352-842; same active ingredients on 2 other branded products | mesotrione | 27 | 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) |
| Balance Flexx EPA 264-1067; same active ingredients on 1 other branded product | isoxaflutole | 27 | ND Weed Guide 2026: G (PDF) |
| Acuron EPA 100-1466 | atrazine, bicyclopyrone, mesotrione, and metolachlor | 5, 15, 27 | ND Weed Guide 2026: E (PDF) |
| Acuron Flexi EPA 100-1568 | bicyclopyrone, mesotrione, and metolachlor | 15, 27 | ND Weed Guide 2026: E (PDF) |
| Corvus EPA 264-1066 | isoxaflutole and thiencarbazone-methyl | 2, 27 | ND Weed Guide 2026: G-E (PDF) |
| DiFlexx DUO EPA 264-1184 | dicamba and tembotrione | 4, 27 | ND Weed Guide 2026: E (PDF) |
| IMPACTZ EPA 5481-612 | atrazine and topramezone | 5, 27 | 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.
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Sources
Data from current labels and weed guides. Last source update: 2026-07-14.