From labels and weed guides
Best herbicides for quackgrass in corn silage
For quackgrass in corn silage, the weed guides list 3 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for corn silage.
Quackgrass control in corn silage
Every listed product is labeled for corn silage. Ratings are shown when each weed guide that rates this weed has a lower interval bound of at least 80% control for the active-ingredient group. If a guide gives a range, its lower bound must be at least 80%.
Based on 1 weed guide, 3 active-ingredient groups are rated at least 80% control for quackgrass in corn silage.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Equip EPA 83100-57-83979; same active ingredients on 2 other branded products | mesotrione and rimsulfuron | 2, 27 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Resolve Q EPA 352-777; same active ingredients on 1 other branded product | rimsulfuron and thifensulfuron | 2 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| REVULIN Q EPA 352-900 | mesotrione and nicosulfuron | 2, 27 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
Rating bands: E 90-100%, G 80-89%, F 70-79%, P under 70%, N none. Policy intervals are marked in the source ratings. 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. Read the rating method.
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Sources
Data from current labels and weed guides. Last source update: 2026-09-30.