From labels and weed guides
Best herbicides for common ragweed in rapeseed
For common ragweed in rapeseed, the weed guides list 2 active-ingredient groups rated good or excellent, after checking that the products are labeled for rapeseed.
Common Ragweed control in rapeseed
Every listed product is labeled for rapeseed. 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, 2 active-ingredient groups are rated good or excellent for common ragweed in rapeseed.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Buccaneer K EPA 42750-122-55467; same active ingredients on 37 other branded products | glyphosate | 9 | ND Weed Guide 2026: G-Ea (PDF); ND Weed Guide 2026: G-E (PDF) |
| Stigmata EPA 91234-60 | clopyralid | 4 | ND Weed Guide 2026: G-E (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.