From labels and weed guides
Best herbicides for common barnyardgrass in field corn
For common barnyardgrass in field corn, the weed guides list 38 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for field corn.
Common Barnyardgrass control in field corn
Every listed product is labeled for field corn. 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 5 weed guides, 38 active-ingredient groups are rated at least 80% control for common barnyardgrass in field corn, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 78623 58% Technical Solution EPA 524-532; same active ingredients on 82 other branded products | glyphosate | 9 | Ks Weed Guide 2026, ks corn post: G → 80–90% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Corn, mi corn post trait glyphosate: E → 90–100% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms corn post preharvest: 8 → 80–90% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms corn post: 9 → 90–100% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: E → 90–99% control (PDF); ND Weed Guide 2026: G → 80–90% control (PDF) |
| Arrow 2EC EPA 66222-60; same active ingredients on 25 other branded products | clethodim | 1 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Accordance 7EC EPA 94730-27; same active ingredients on 22 other branded products | acetochlor | 15 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Acumen EPA 241-337-55467; same active ingredients on 17 other branded products | pendimethalin | 3 | Ky Weed Guide 2025, ky corn preemergence: 8 → 80–90% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms corn pre: 8 → 80–90% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: E → 90–99% control (PDF) |
| Bicep II Magnum EPA 100-817; same active ingredients on 15 other branded products | atrazine and metolachlor | 5, 15 | Ks Weed Guide 2026, ks corn pre grid20: E → 90–100% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Corn, mi corn soil premix: E → 90–100% control (FieldMarshal policy interval) (PDF) |
| Aceto Trifluralin 4EC EPA 2749-561; same active ingredients on 13 other branded products | trifluralin | 3 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | Ms Weed Guide 2025, ms corn post directed: 8 → 80–90% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: G → 80–90% control (PDF) |
| Grapple EPA 71368-121; same active ingredients on 10 other branded products | rimsulfuron | 2 | ND Weed Guide 2026: G → 80–90% control (PDF); ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Artemis EPA 83100-48-91395; same active ingredients on 8 other branded products | mesotrione and metolachlor | 15, 27 | Ky Weed Guide 2025, ky corn preemergence: 8 → 80–90% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Corn, mi corn soil premix: E → 90–100% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Corn, mi corn soil premix p4: E → 90–100% control (FieldMarshal policy interval) (PDF) |
| Definite EPA 83529-105; same active ingredients on 7 other branded products | acetochlor, clopyralid, and flumetsulam | 2, 4, 15 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Enlist Duo EPA 62719-649; same active ingredients on 3 other branded products | 2,4-d and glyphosate | 4, 9 | Mi Weed Guide 2026 Corn, mi corn post trait enlist: E → 90–100% control (FieldMarshal policy interval) (PDF); ND Weed Guide 2026: E → 90–99% control (PDF) |
| Accent EPA 352-560; same active ingredients on 2 other branded products | nicosulfuron | 2 | Ky Weed Guide 2025, ky corn postemergence: 8 → 80–90% control (FieldMarshal policy interval) (PDF); Mi Weed Guide 2026 Corn, mi corn post: E → 90–100% control (FieldMarshal policy interval) (PDF); Ms Weed Guide 2025, ms corn post: 8 → 80–90% control (FieldMarshal policy interval) (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
- Ks Weed Guide 2026 (PDF)
- Ky Weed Guide 2025 (PDF)
- Mi Weed Guide 2026 Corn (PDF)
- Ms Weed Guide 2025 (PDF)
- ND Weed Guide 2026 (PDF)
Data from current labels and weed guides. Last source update: 2026-09-30.