From labels and weed guides
Best herbicides for broadleaf signalgrass in sorghum
For broadleaf signalgrass in sorghum, the weed guides list 6 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for sorghum.
Broadleaf Signalgrass control in sorghum
Every listed product is labeled for sorghum. 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, 6 active-ingredient groups are rated at least 80% control for broadleaf signalgrass in sorghum.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 78623 58% Technical Solution EPA 524-532; same active ingredients on 83 other branded products | glyphosate | 9 | WinField Crop Protection 2026, sorghum: E → 91–100% control (PDF) |
| Aceto Trifluralin 4EC EPA 2749-561; same active ingredients on 13 other branded products | trifluralin | 3 | WinField Crop Protection 2026, sorghum: E → 91–100% control (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | Ms Weed Guide 2025, ms grain sorghum post: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Facet L EPA 7969-315; same active ingredients on 5 other branded products | quinclorac | 4 | Ms Weed Guide 2025, ms grain sorghum post: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Arrest CS EPA 83529-84; same active ingredients on 3 other branded products | acetochlor | 15 | Ms Weed Guide 2025, ms grain sorghum: 8 → 80–90% control (FieldMarshal policy interval) (PDF) |
| Degree Xtra EPA 524-511; same active ingredients on 2 other branded products | acetochlor and atrazine | 5, 15 | WinField Crop Protection 2026, sorghum: G/E → 81–100% 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.