From labels and weed guides

Best herbicides for wild buckwheat in seed corn

For wild buckwheat in seed corn, the weed guides list 13 active-ingredient groups rated good or excellent, after checking that the products are labeled for seed corn.

Wild Buckwheat control in seed corn

Every listed product is labeled for seed corn. 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, 13 active-ingredient groups are rated good or excellent for wild buckwheat in seed corn, showing the top 12 below.

Example productActive ingredientsMOA groupRatings checked
Alligare Dicamba 4
EPA 81927-55; same active ingredients on 32 other branded products
dicamba4ND Weed Guide 2026: E (PDF)
Comply
EPA 100-1414-55467; same active ingredients on 7 other branded products
atrazine, mesotrione, and metolachlor5, 15, 27ND Weed Guide 2026: E (PDF); ND Weed Guide 2026: G-E (PDF)
Staunch II
EPA 62719-679-55467; same active ingredients on 4 other branded products
acetochlor, clopyralid, and flumetsulam2, 4, 15ND Weed Guide 2026: E (PDF)
Orador
EPA 91234-324; same active ingredients on 3 other branded products
acetochlor, clopyralid, and mesotrione4, 15, 27ND Weed Guide 2026: G-E (PDF)
Corsican
EPA 7969-279-55467; same active ingredients on 2 other branded products
dimethenamid-p and saflufenacil14, 15ND Weed Guide 2026: G-E (PDF)
Distinct
EPA 7969-150; same active ingredients on 2 other branded products
dicamba and diflufenzopyr4, 19ND Weed Guide 2026: E (PDF)
Acuron
EPA 100-1466
atrazine, bicyclopyrone, mesotrione, and metolachlor5, 15, 27ND Weed Guide 2026: G-E (PDF)
Atrazine 4L
EPA 34704-69
atrazine5ND Weed Guide 2026: E (PDF); ND Weed Guide 2026: G-E (PDF)
Callisto Xtra
EPA 100-1359
atrazine and mesotrione5, 27ND Weed Guide 2026: G-E (PDF)
DiFlexx DUO
EPA 264-1184
dicamba and tembotrione4, 27ND Weed Guide 2026: E (PDF)
IMPACTZ
EPA 5481-612
atrazine and topramezone5, 27ND Weed Guide 2026: E (PDF)
Sharpen
EPA 7969-278
saflufenacil14ND Weed Guide 2026: G-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.