From labels and weed guides
Best herbicides for purple nutsedge in field corn
For purple nutsedge in field corn, the weed guides list 5 active-ingredient groups rated good or excellent, after checking that the products are labeled for field corn.
Purple Nutsedge control in field corn
Every listed product is labeled for field corn. 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, 5 active-ingredient groups are rated good or excellent for purple nutsedge in field corn.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 78623 58% Technical Solution EPA 524-532; same active ingredients on 83 other branded products | glyphosate | 9 | Ms Weed Guide 2025, ms corn post: G (PDF); Ms Weed Guide 2025, ms corn post preharvest: G (PDF) |
| Comply EPA 100-1414-55467; same active ingredients on 13 other branded products | atrazine, mesotrione, and metolachlor | 5, 15, 27 | Ms Weed Guide 2025, ms corn pre: G (PDF); Ms Weed Guide 2025, ms corn post: G (PDF) |
| Acuron EPA 100-1466 | atrazine, bicyclopyrone, mesotrione, and metolachlor | 5, 15, 27 | Ms Weed Guide 2025, ms corn pre: G (PDF); Ms Weed Guide 2025, ms corn post: G (PDF) |
| Gambit EPA 81880-27-10163 | halosulfuron-methyl and prosulfuron | 2 | Ms Weed Guide 2025, ms corn post: G (PDF) |
| Halex GT EPA 100-1282 | glyphosate, mesotrione, and metolachlor | 9, 15, 27 | Ms Weed Guide 2025, ms corn post: 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.