From labels and weed guides
Best herbicides for broadleaf signalgrass in field corn
For broadleaf signalgrass in field corn, the weed guides list 8 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for field corn.
Broadleaf Signalgrass 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, 8 active-ingredient groups are rated at least 80% control for broadleaf signalgrass 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 | 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) |
| Actylis Glufosinate 280SL EPA 2749-637; same active ingredients on 31 other branded products | glufosinate | 10 | Ms Weed Guide 2025, ms corn post: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | Ms Weed Guide 2025, ms corn post directed: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Orador EPA 91234-324; same active ingredients on 3 other branded products | acetochlor, clopyralid, and mesotrione | 4, 15, 27 | Ms Weed Guide 2025, ms corn post: 7 → 80–90% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms corn pre: 9 → 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: 8 → 80–90% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms corn post: 8 → 80–90% 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: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Linex 4L EPA 61842-21; same active ingredients on 2 other branded products | linuron | 5 | Ms Weed Guide 2025, ms corn post directed: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Halex GT EPA 100-1282 | glyphosate, mesotrione, and metolachlor | 9, 15, 27 | Ms Weed Guide 2025, ms corn post: 9 → 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
Data from current labels and weed guides. Last source update: 2026-09-30.