From labels and weed guides

Best herbicides for fiddleneck in barley

For fiddleneck 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.

Fiddleneck 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 fiddleneck in barley.

Example productActive ingredientsMOA groupRatings checked
BL2
EPA 279-9624; same active ingredients on 29 other branded products
metribuzin5WinField Crop Protection 2026, small grains: E → 91–100% control (PDF)
Affinity BroadSpec
EPA 279-9601; same active ingredients on 25 other branded products
thifensulfuron and tribenuron-methyl2WinField Crop Protection 2026, small grains: G → 81–90% control (PDF)
Bison
EPA 71368-28-1381; same active ingredients on 11 other branded products
bromoxynil and mcpa4, 6WinField Crop Protection 2026, small grains: E → 91–100% control (PDF)
Carnivore
EPA 1381-249; same active ingredients on 2 other branded products
bromoxynil, fluroxypyr 1-methylheptyl ester, and mcpa4, 6WinField Crop Protection 2026, small grains: E → 91–100% control (PDF)
Agility SG
EPA 352-751
dicamba, metsulfuron-methyl, thifensulfuron, and tribenuron-methyl2, 4WinField Crop Protection 2026, small grains: G → 81–90% 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.

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Sources

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