From labels and weed guides
Best herbicides for russian thistle in sorghum
For russian thistle in sorghum, the weed guides list 15 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for sorghum.
Russian Thistle 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, 15 active-ingredient groups are rated at least 80% control for russian thistle 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 | ND Weed Guide 2026: G → 80–90% control (PDF); WinField Crop Protection 2026, sorghum: G → 81–90% control (PDF) |
| AAtrex 4L EPA 100-497; same active ingredients on 31 other branded products | atrazine | 5 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | ND Weed Guide 2026: E → 90–99% 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: G → 81–90% control (PDF) |
| Corsican EPA 7969-279-55467; same active ingredients on 2 other branded products | dimethenamid-p and saflufenacil | 14, 15 | ND Weed Guide 2026: E → 90–99% control (PDF); WinField Crop Protection 2026, sorghum: E → 91–100% control (PDF) |
| Harmony GT XP EPA 279-9577; same active ingredients on 2 other branded products | thifensulfuron | 2 | ND Weed Guide 2026: G-Ea → 80–99% 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: G → 80–90% control (PDF) |
| Express EPA 279-9594; same active ingredients on 1 other branded product | tribenuron-methyl | 2 | ND Weed Guide 2026: Ea → 90–99% control (PDF) |
| Peak EPA 100-763; same active ingredients on 1 other branded product | prosulfuron | 2 | WinField Crop Protection 2026, sorghum: G → 81–90% control (PDF) |
| Callisto Xtra EPA 100-1359 | atrazine and mesotrione | 5, 27 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Huskie FX EPA 264-1208 | bromoxynil, fluroxypyr 1-methylheptyl ester, and pyrasulfotole | 4, 6, 27 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| IMIFLEX EPA 70506-355 | imazamox | 2 | ND Weed Guide 2026: G-Ea → 80–99% 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.