From labels and weed guides
Best herbicides for downy brome in popcorn
For downy brome in popcorn, the weed guides list 2 active-ingredient groups rated good or excellent, after checking that the products are labeled for popcorn.
Downy Brome control in popcorn
Every listed product is labeled for popcorn. 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, 2 active-ingredient groups are rated good or excellent for downy brome in popcorn.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Acuron EPA 100-1466 | atrazine, bicyclopyrone, mesotrione, and metolachlor | 5, 15, 27 | ND Weed Guide 2026: G (PDF) |
| Enlist Duo EPA 62719-649 | 2,4-d and glyphosate | 4, 9 | ND Weed Guide 2026: G-E (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.