From labels and weed guides
Best herbicides for morningglory in alfalfa
For morningglory in alfalfa, the weed guides list 4 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for alfalfa.
Morningglory control in alfalfa
Every listed product is labeled for alfalfa. 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, 4 active-ingredient groups are rated at least 80% control for morningglory in alfalfa.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| ABUNDIT Edge EPA 352-922; same active ingredients on 81 other branded products | glyphosate | 9 | Ks Weed Guide 2026, ks alfalfa post: G → 80–90% control (FieldMarshal policy interval) (PDF) |
| Axill Solutions Imazethapyr 2SL EPA 93809-3; same active ingredients on 10 other branded products | imazethapyr | 2 | Ks Weed Guide 2026, ks alfalfa post: G → 80–90% control (FieldMarshal policy interval) (PDF); Ks Weed Guide 2026, ks alfalfa dormant: G → 80–90% control (FieldMarshal policy interval) (PDF) |
| Abigor EPA 34704-1174; same active ingredients on 8 other branded products | imazamox | 2 | Ks Weed Guide 2026, ks alfalfa post: G → 80–90% control (FieldMarshal policy interval) (PDF) |
| Velpar AlfaMax EPA 61842-45; same active ingredients on 1 other branded product | diuron and hexazinone | 5 | Ks Weed Guide 2026, ks alfalfa dormant: G → 80–90% control (FieldMarshal policy interval) (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.