From labels and weed guides
Best herbicides for redroot pigweed in hairy vetch
For redroot pigweed in hairy vetch, the weed guides list 2 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for hairy vetch.
Redroot Pigweed control in hairy vetch
Every listed product is labeled for hairy vetch. 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 redroot pigweed in hairy vetch.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| AgSaver Glyphosate 53.8% EPA 83772-12; same active ingredients on 27 other branded products | glyphosate | 9 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Crop Protect Direct Paraquat 3SL EPA 101458-2 | paraquat | 22 | 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.