From labels and weed guides
Best herbicides for downy brome in sorghum
For downy brome in sorghum, the weed guides list 3 active-ingredient groups rated good or excellent, after checking that the products are labeled for sorghum.
Downy Brome 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 1 weed guide, 3 active-ingredient groups are rated good or excellent for downy brome in sorghum.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| AAtrex 4L EPA 100-497; same active ingredients on 31 other branded products | atrazine | 5 | ND Weed Guide 2026: G (PDF); ND Weed Guide 2026: G-E (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-E (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.