From labels and weed guides

Best herbicides for cutleaf eveningprimrose in barley

For cutleaf eveningprimrose in barley, the weed guides list 5 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for barley.

Cutleaf Eveningprimrose 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, 5 active-ingredient groups are rated at least 80% control for cutleaf eveningprimrose in barley.

Example productActive ingredientsMOA groupRatings checked
2,4-D Amine 4
EPA 1381-103; same active ingredients on 76 other branded products
2,4-d4Ms Weed Guide 2025, ms small grain: 9 → 90–100% control (FieldMarshal policy interval) (PDF)
Base Camp MCP Ester
EPA 2935-554; same active ingredients on 15 other branded products
mcpa4Ms Weed Guide 2025, ms small grain: 9 → 90–100% control (FieldMarshal policy interval) (PDF)
Peak
EPA 100-763; same active ingredients on 1 other branded product
prosulfuron2Ms Weed Guide 2025, ms small grain: 8 → 80–90% control (FieldMarshal policy interval) (PDF)
Huskie
EPA 264-1023
bromoxynil and pyrasulfotole6, 27Ms Weed Guide 2025, ms small grain: 8 → 80–90% control (FieldMarshal policy interval) (PDF)
Quelex
EPA 62719-661
florasulam and halauxifen-methyl2, 4Ms Weed Guide 2025, ms small grain: 9 → 90–100% 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.