From labels and weed guides

Best herbicides for cultleaf evening-primrose in barley

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

Cultleaf Evening-primrose control in barley

Every listed product is labeled for barley. 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 cultleaf evening-primrose in barley.

Example productActive ingredientsMOA groupRatings checked
Alligare Dicamba 4
EPA 81927-55; same active ingredients on 35 other branded products
dicamba4Ms Weed Guide 2025, ms burndown: 9 → 90–100% control (FieldMarshal policy interval) (PDF)
Bonedry
EPA 82557-1; same active ingredients on 12 other branded products
paraquat22Ms Weed Guide 2025, ms burndown: 7 → 80–90% control (FieldMarshal policy interval) (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.