From labels and weed guides

Best herbicides for common lambsquarters in barley

For common lambsquarters in barley, the weed guides list 11 active-ingredient groups rated good or excellent, after checking that the products are labeled for barley.

Common Lambsquarters control in barley

Every listed product is labeled for barley. 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, 11 active-ingredient groups are rated good or excellent for common lambsquarters 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: G/E (PDF)
Affinity BroadSpec
EPA 279-9601; same active ingredients on 26 other branded products
thifensulfuron and tribenuron-methyl2WinField Crop Protection 2026, small grains: E (PDF)
AIM EC
EPA 279-3241; same active ingredients on 12 other branded products
carfentrazone-ethyl14WinField Crop Protection 2026, small grains: G/E (PDF)
Bison
EPA 71368-28-1381; same active ingredients on 11 other branded products
bromoxynil and mcpa4, 6WinField Crop Protection 2026, small grains: E (PDF)
Ally XP
EPA 279-9575; same active ingredients on 10 other branded products
metsulfuron-methyl2WinField Crop Protection 2026, small grains: G (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 (PDF)
Commando
EPA 42750-92; same active ingredients on 1 other branded product
2,4-d and clopyralid4WinField Crop Protection 2026, small grains: E (PDF)
Agility SG
EPA 352-751
dicamba, metsulfuron-methyl, thifensulfuron, and tribenuron-methyl2, 4WinField Crop Protection 2026, small grains: E (PDF)
Curtail M
EPA 62719-86
clopyralid and mcpa4WinField Crop Protection 2026, small grains: E (PDF)
Quelex
EPA 62719-661
florasulam and halauxifen-methyl2, 4WinField Crop Protection 2026, small grains: E (PDF)
Sharpen
EPA 7969-278
saflufenacil14WinField Crop Protection 2026, small grains: 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.