From labels and weed guides
Best herbicides for common ragweed in sorghum
For common ragweed in sorghum, the weed guides list 18 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for sorghum.
Common Ragweed 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 4 weed guides, 18 active-ingredient groups are rated at least 80% control for common ragweed in sorghum, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 2,4-D Amine 4 EPA 1381-103; same active ingredients on 75 other branded products | 2,4-d | 4 | Ks Weed Guide 2026, ks sorghum post: G-E → 80–100% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: E → 90–99% control (PDF); Tn Weed Guide 2026, tn grain sorghum: 8 → 80–90% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, sorghum: G → 81–90% control (PDF) |
| Alligare Dicamba 4 EPA 81927-55; same active ingredients on 34 other branded products | dicamba | 4 | Ks Weed Guide 2026, ks sorghum post: G → 80–90% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: E → 90–99% control (PDF); WinField Crop Protection 2026, sorghum: E → 91–100% control (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Comet EPA 71368-87; same active ingredients on 8 other branded products | fluroxypyr 1-methylheptyl ester | 4 | Ks Weed Guide 2026, ks sorghum post: E → 90–100% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: E → 90–99% control (PDF); WinField Crop Protection 2026, sorghum: E → 91–100% control (PDF) |
| Broclean EPA 34704-891; same active ingredients on 5 other branded products | bromoxynil | 6 | ND Weed Guide 2026: E → 90–99% control (PDF); WinField Crop Protection 2026, sorghum: E → 91–100% control (PDF) |
| Herbivore EPA 2749-528-1381; same active ingredients on 5 other branded products | halosulfuron-methyl | 2 | Ks Weed Guide 2026, ks sorghum post: E → 90–100% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: E → 90–99% control (PDF); ND Weed Guide 2026: G-E → 80–99% control (PDF); WinField Crop Protection 2026, sorghum: G/E → 81–100% control (PDF) |
| Comply EPA 100-1414-55467; same active ingredients on 4 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); WinField Crop Protection 2026, sorghum: G → 81–90% control (PDF) |
| Corsican EPA 7969-279-55467; same active ingredients on 2 other branded products | dimethenamid-p and saflufenacil | 14, 15 | Ks Weed Guide 2026, ks sorghum pre: G → 80–90% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: G-E → 80–99% control (PDF); WinField Crop Protection 2026, sorghum: E → 91–100% control (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) |
| Imitator + 2,4-D EPA 19713-635; same active ingredients on 2 other branded products | 2,4-d and glyphosate | 4, 9 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Daikon EPA 91234-217; same active ingredients on 1 other branded product | dicamba and halosulfuron-methyl | 2, 4 | Ks Weed Guide 2026, ks sorghum post: G → 80–90% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, sorghum: E → 91–100% control (PDF) |
| Peak EPA 100-763; same active ingredients on 1 other branded product | prosulfuron | 2 | Ks Weed Guide 2026, ks sorghum post: E → 90–100% control (FieldMarshal policy interval) (PDF); WinField Crop Protection 2026, sorghum: E → 91–100% 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
- Ks Weed Guide 2026 (PDF)
- ND Weed Guide 2026 (PDF)
- Tn Weed Guide 2026 (PDF)
- WinField Crop Protection 2026 (PDF)
Data from current labels and weed guides. Last source update: 2026-09-30.