From labels and weed guides
Best herbicides for horseweed in annual ryegrass
For horseweed in annual ryegrass, the weed guides list 2 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for annual ryegrass.
Horseweed control in annual ryegrass
Every listed product is labeled for annual ryegrass. 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, 2 active-ingredient groups are rated at least 80% control for horseweed in annual ryegrass.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Huskie EPA 264-1023 | bromoxynil and pyrasulfotole | 6, 27 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Huskie FX EPA 264-1208 | bromoxynil, fluroxypyr 1-methylheptyl ester, and pyrasulfotole | 4, 6, 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.