From labels and weed guides
Best herbicides for redroot pigweed in alfalfa
For redroot pigweed in alfalfa, the weed guides list 12 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for alfalfa.
Redroot Pigweed 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, 12 active-ingredient groups are rated at least 80% control for redroot pigweed 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 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Actylis Metribuzin EPA 2749-660; same active ingredients on 29 other branded products | metribuzin | 5 | ND Weed Guide 2026: G → 80–90% control (PDF); ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Axill Solutions Flumi 51% WDG EPA 95055-14-93809; same active ingredients on 23 other branded products | flumioxazin | 14 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Acumen EPA 241-337-55467; same active ingredients on 17 other branded products | pendimethalin | 3 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Aceto Trifluralin 4EC EPA 2749-561; same active ingredients on 13 other branded products | trifluralin | 3 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| AIM EC EPA 279-3241; same active ingredients on 12 other branded products | carfentrazone-ethyl | 14 | ND Weed Guide 2026: G → 80–90% control (PDF) |
| Axill Solutions Imazethapyr 2SL EPA 93809-3; same active ingredients on 10 other branded products | imazethapyr | 2 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Abigor EPA 34704-1174; same active ingredients on 8 other branded products | imazamox | 2 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Epitome EPA 2749-636; same active ingredients on 3 other branded products | eptc | 15 | ND Weed Guide 2026: G → 80–90% control (PDF) |
| Venturous 3ME EPA 524-591-55467; same active ingredients on 1 other branded product | acetochlor | 15 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Sharpen EPA 7969-278 | saflufenacil | 14 | ND Weed Guide 2026: E → 90–99% 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.