From labels and weed guides

Best herbicides for sunflower in rapeseed

For sunflower in rapeseed, the weed guides list 2 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for rapeseed.

Sunflower control in rapeseed

Every listed product is labeled for rapeseed. 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 sunflower in rapeseed.

Example productActive ingredientsMOA groupRatings checked
Buccaneer K
EPA 42750-122-55467; same active ingredients on 37 other branded products
glyphosate9ND Weed Guide 2026: G-E → 80–99% control (PDF)
Stigmata
EPA 91234-60
clopyralid4ND Weed Guide 2026: G-E → 80–99% 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.

Build the full program

Check crop, timing, state, resistance, and rotation in one plan before you make a recommendation.

Sources

Data from current labels and weed guides. Last source update: 2026-09-30.