From labels and weed guides
Best herbicides for seedling johnsongrass in field corn
For seedling johnsongrass in field corn, the weed guides list 10 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for field corn.
Seedling Johnsongrass 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 5 weed guides, 10 active-ingredient groups are rated at least 80% control for seedling johnsongrass 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 | Ks Weed Guide 2026, ks corn post: E → 90–100% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Corn, mi corn post trait glyphosate: E → 90–100% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms corn post: 9 → 90–100% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms corn post preharvest: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| Accordance 7EC EPA 94730-27; same active ingredients on 22 other branded products | acetochlor | 15 | WinField Crop Protection 2026, corn pp pre: E → 91–100% control (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); Mi Weed Guide 2026 Corn, mi corn post trait enlist: E → 90–100% control (FieldMarshal policy interval) (PDF) |
| Accent EPA 352-560; same active ingredients on 2 other branded products | nicosulfuron | 2 | Ky Weed Guide 2025, ky corn postemergence: 9 → 80–90% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Corn, mi corn post: E → 90–100% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms corn post: 9 → 90–100% control (FieldMarshal policy interval) (PDF) |
| DuPont Steadfast EPA 352-608; same active ingredients on 2 other branded products | nicosulfuron and rimsulfuron | 2 | Ky Weed Guide 2025, ky corn postemergence: 9 → 80–90% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Corn, mi corn post premix: E → 90–100% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, corn post: G/E → 81–100% control (PDF) |
| Capreno EPA 264-1063 | tembotrione and thiencarbazone-methyl | 2, 27 | Ks Weed Guide 2026, ks corn post: G → 80–90% control (FieldMarshal policy interval) (PDF); Ky Weed Guide 2025, ky corn postemergence: 8 → 80–90% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Corn, mi corn post premix: E → 90–100% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms corn post: 9 → 90–100% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, corn post: G → 81–90% control (PDF); WinField Crop Protection 2026, corn pp pre: G → 81–90% control (PDF) |
| Halex GT EPA 100-1282 | glyphosate, mesotrione, and metolachlor | 9, 15, 27 | Ks Weed Guide 2026, ks corn post: E → 90–100% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Corn, mi corn post trait glyphosate: E → 90–100% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms corn post: 9 → 90–100% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, corn post: E → 91–100% control (PDF) |
| Reviton EPA 71512-37-74530 | tiafenacil | 14 | Ks Weed Guide 2026, ks corn pre grid20: G → 80–90% control (FieldMarshal policy interval) (PDF) |
| REVULIN Q EPA 352-900 | mesotrione and nicosulfuron | 2, 27 | Mi Weed Guide 2026 Corn, mi corn post premix: E → 90–100% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, corn post: G/E → 81–100% control (PDF) |
| Sequence EPA 100-1185 | glyphosate and metolachlor | 9, 15 | Mi Weed Guide 2026 Corn, mi corn post trait glyphosate: E → 90–100% 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
- Ks Weed Guide 2026 (PDF)
- Ky Weed Guide 2025 (PDF)
- Mi Weed Guide 2026 Corn (PDF)
- Ms Weed Guide 2025 (PDF)
- WinField Crop Protection 2026 (PDF)
Data from current labels and weed guides. Last source update: 2026-09-30.