From labels and weed guides
Best herbicides for perennial sowthistle in durum wheat
For perennial sowthistle in durum wheat, the weed guides list 3 active-ingredient groups rated good or excellent, after checking that the products are labeled for durum wheat.
Perennial Sowthistle control in durum wheat
Every listed product is labeled for durum wheat. Ratings are shown when each weed guide that rates this weed stays at good or excellent for the active-ingredient group. If a guide gives a range, the weaker end of the range has to be good or excellent.
Based on 1 weed guide, 3 active-ingredient groups are rated good or excellent for perennial sowthistle in durum wheat.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Divergence 75 WDG EPA 34704-1179; same active ingredients on 3 other branded products | sulfosulfuron | 2 | WinField Crop Protection 2026, small grains: G (PDF) |
| Commando EPA 42750-92; same active ingredients on 1 other branded product | 2,4-d and clopyralid | 4 | WinField Crop Protection 2026, small grains: G (PDF) |
| Curtail M EPA 62719-86 | clopyralid and mcpa | 4 | WinField Crop Protection 2026, small grains: G (PDF) |
Rating legend: E=excellent, G=good, F=fair, P=poor, N=no control. 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.
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Sources
Data from current labels and weed guides. Last source update: 2026-07-14.