From labels and weed guides
Best herbicides for russian thistle in sorghum
For russian thistle in sorghum, the weed guides list 14 active-ingredient groups rated good or excellent, 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 stays at good or excellent for the active-ingredient group. If a guide gives a range, the weaker end of the range has to be good or excellent.
Based on 2 weed guides, 14 active-ingredient groups are rated good or excellent 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 (PDF); WinField Crop Protection 2026, sorghum: G (PDF) |
| AAtrex 4L EPA 100-497; same active ingredients on 31 other branded products | atrazine | 5 | ND Weed Guide 2026: E (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | ND Weed Guide 2026: E (PDF) |
| Broclean EPA 34704-891; same active ingredients on 5 other branded products | bromoxynil | 6 | ND Weed Guide 2026: E (PDF); WinField Crop Protection 2026, sorghum: G (PDF) |
| Harmony GT XP EPA 279-9577; same active ingredients on 3 other branded products | thifensulfuron | 2 | ND Weed Guide 2026: G-Ea (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 (PDF) |
| Express EPA 279-9594; same active ingredients on 1 other branded product | tribenuron-methyl | 2 | ND Weed Guide 2026: Ea (PDF) |
| Peak EPA 100-763; same active ingredients on 1 other branded product | prosulfuron | 2 | WinField Crop Protection 2026, sorghum: G (PDF) |
| Callisto Xtra EPA 100-1359 | atrazine and mesotrione | 5, 27 | ND Weed Guide 2026: E (PDF) |
| Huskie FX EPA 264-1208 | bromoxynil, fluroxypyr 1-methylheptyl ester, and pyrasulfotole | 4, 6, 27 | ND Weed Guide 2026: E (PDF) |
| IMIFLEX EPA 70506-355 | imazamox | 2 | ND Weed Guide 2026: G-Ea (PDF) |
| Mes-O-Sate EPA 19713-694 | glyphosate, mesotrione, and metolachlor | 9, 15, 27 | ND Weed Guide 2026: G (PDF) |
Rating legend: E=excellent, G=good, F=fair, P=poor, N=no control. 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.
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Sources
Data from current labels and weed guides. Last source update: 2026-07-14.