From labels and weed guides
Best herbicides for wheat in field corn
For wheat in field corn, the weed guides list 3 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for field corn.
Wheat control in field corn
Every listed product is labeled for field 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 2 weed guides, 3 active-ingredient groups are rated at least 80% control for wheat in field corn.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 78623 58% Technical Solution EPA 524-532; same active ingredients on 82 other branded products | glyphosate | 9 | Tn Weed Guide 2026, tn burndown corn: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| Arrow 2EC EPA 66222-60; same active ingredients on 25 other branded products | clethodim | 1 | Tn Weed Guide 2026, tn burndown corn: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| Enlist Duo EPA 62719-649; same active ingredients on 3 other branded products | 2,4-d and glyphosate | 4, 9 | Ky Weed Guide 2025, ky corn burndown: 9 → 80–90% 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.