From labels and weed guides
Best herbicides for waterhemp / palmer in seed corn
For waterhemp / palmer in seed corn, the weed guides list 17 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for seed corn.
Waterhemp / Palmer control in seed corn
Every listed product is labeled for seed corn. 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, 17 active-ingredient groups are rated at least 80% control for waterhemp / palmer in seed corn, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| ARGOS EPA 74530-71; same active ingredients on 22 other branded products | mesotrione | 27 | ND Weed Guide 2026: G → 80–90% control (PDF); ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Comply EPA 100-1414-55467; same active ingredients on 7 other branded products | atrazine, mesotrione, and metolachlor | 5, 15, 27 | ND Weed Guide 2026: E → 90–99% control (PDF); ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Corsican EPA 7969-279-55467; same active ingredients on 2 other branded products | dimethenamid-p and saflufenacil | 14, 15 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Distinct EPA 7969-150; same active ingredients on 2 other branded products | dicamba and diflufenzopyr | 4, 19 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Balance Flexx EPA 264-1067; same active ingredients on 1 other branded product | isoxaflutole | 27 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Acuron EPA 100-1466 | atrazine, bicyclopyrone, mesotrione, and metolachlor | 5, 15, 27 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Acuron Flexi EPA 100-1568 | bicyclopyrone, mesotrione, and metolachlor | 15, 27 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Callisto Xtra EPA 100-1359 | atrazine and mesotrione | 5, 27 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Corvus EPA 264-1066 | isoxaflutole and thiencarbazone-methyl | 2, 27 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| DiFlexx DUO EPA 264-1184 | dicamba and tembotrione | 4, 27 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| IMPACTZ EPA 5481-612 | atrazine and topramezone | 5, 27 | ND Weed Guide 2026: E → 90–99% 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.