From labels and weed guides
Best herbicides for woolly cupgrass in soybeans
For woolly cupgrass in soybeans, the weed guides list 8 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for soybeans.
Woolly Cupgrass control in soybeans
Every listed product is labeled for soybeans. 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, 8 active-ingredient groups are rated at least 80% control for woolly cupgrass in soybeans.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Arrow 2EC EPA 66222-60; same active ingredients on 36 other branded products | clethodim | 1 | Sd Soybean Weed Guide 2026, sd soybean: 8 → 80–90% control (PDF) |
| Actylis Glufosinate 280SL EPA 2749-637; same active ingredients on 31 other branded products | glufosinate | 10 | Sd Soybean Weed Guide 2026, sd soybean: 9 → 90–99% control (PDF) |
| Acumen EPA 241-337-55467; same active ingredients on 17 other branded products | pendimethalin | 3 | Sd Soybean Weed Guide 2026, sd soybean: 8 → 80–90% control (PDF) |
| Aceto Trifluralin 4EC EPA 2749-561; same active ingredients on 13 other branded products | trifluralin | 3 | Sd Soybean Weed Guide 2026, sd soybean: 8 → 80–90% control (PDF) |
| Assure II EPA 352-541; same active ingredients on 3 other branded products | quizalofop-p-ethyl | 1 | Sd Soybean Weed Guide 2026, sd soybean: 8 → 80–90% control (PDF) |
| Enfilade DX EPA 91234-308; same active ingredients on 3 other branded products | fluazifop-p-butyl | 1 | Sd Soybean Weed Guide 2026, sd soybean: 8 → 80–90% control (PDF) |
| Poast EPA 7969-58; same active ingredients on 1 other branded product | sethoxydim | 1 | Sd Soybean Weed Guide 2026, sd soybean: 9 → 90–99% control (PDF) |
| Sonalan HFP EPA 10163-356 | ethalfluralin | 3 | Sd Soybean Weed Guide 2026, sd soybean: 8 → 80–90% 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.