Table 3.7.1 Effectiveness of selected corn herbicides on annual weeds
Effectiveness of selected corn herbicides on broadleaf annual weeds
| Herbicides | Wild Buckwheat | Common Lambsquarters | Wild Mustard | Redroot Pigweed | Common Ragweed | Velvetleaf |
|---|---|---|---|---|---|---|
| Preplant-incorporated | ||||||
| *§ Dual II Magnum/*§ Cinch | Poor | Poor | Poor | Fair | Poor | None |
| Pre-emergence | ||||||
| *§ AAtrex/*atrazine 1 | Excel | Excel 1 | Excel | Excel 1 | Excel 1 | Fair |
| Callisto | Poor | Excel | Good | Excel | Fair | Excel |
| *§ Dual II Magnum/*§ Cinch | Poor | Poor | Poor | Good | Poor | None |
| *§ Harness/*§ Surpass NXT | Poor | Fair | Poor | Excel | Fair | Poor |
| *§ Outlook | Poor | Poor | None | Good | Poor | None |
| *§ Princep 1 | Good | Good 1 | Good | Good 1 | Good 1 | Fair |
| Prowl | Fair | Excel | Fair | Fair | Poor | Good |
| *§ Sharpen | Good | Good | Good | Good | Good | Good |
| Postemergence | ||||||
| Accent Q | -- | Poor | Good | Good | Poor | Poor |
| Aim | -- | Good | Fair | Good | Poor | Excel |
| * Atrazine + oil1 | Excel | Excel1 | Excel | Excel1 | Fair1 | Good |
| Banvel/Clarity/DiDlexx | Excel | Excel | Good | Good | Good | Good |
| * Beacon | -- | Fair | Good | Good | Excel | Good |
| Buctril | Good | Excel | Fair | Poor | Fair | Good |
| Callisto | Poor | Excel | Good | Excel | Fair | Excel |
| Impact | -- | Excel | Excel | Excel | Excel | Excel |
| Laudis | Fair | Excel | Excel | Excel | Excel | Excel |
| NorthStar | Good | Good | Good | Good | Excel | Good |
| Permit | -- | Poor | Fair | Good | Excel | Excel |
| Prowl | -- | Good | Poor | Good | None | Excel |
| Resolve Q | -- | Fair | Good | Good | Fair | Fair |
| Resource | -- | Poor | Fair | Poor | Fair | Excel |
| Spirit | -- | Good | Good | Good | Excel | Good |
| * Status | Excel | Excel | Good | Good | Good | Good |
| Steadfast Q | -- | Fair | Good | Good | Poor | Good |
| Yukon | -- | Excel | Excel | Excel | Excel | Excel |
| * Restricted-use pesticide; may be purchased and used only by certified applicators or someone under the direct supervision of a certified applicator. | ||||||
| § Not for use in Nassau and Suffolk Counties; pesticide labels that indicate “Not for use on Long Island, NY” mean that use is prohibited in Nassau and Suffolk Counties only. | ||||||
| 1 Effectiveness ratings for *atrazine and *§ Princep are not accurate for triazine-resistant lambsquarters, pigweed, and ragweed. | ||||||
Effectiveness of selected corn herbicides on annual grass weeds
| Herbicides | Barnyard grass | Large Crabgrass | Foxtails | Fall Panicum | Witchgrass | Corn tolerance |
|---|---|---|---|---|---|---|
| Preplant-incorporated | ||||||
| *§ Dual II Magnum/*§ Cinch | Good | Good | Good | Good | Good | Good |
| Pre-emergence | ||||||
| *§ AAtrex/*atrazine 1 | Good | Poor | Fair | Poor | Excel | Excel |
| Callisto | None | Fair | None | None | None | Excel |
| *§ Harness/*§ Surpass NXT | Excel | Excel | Excel | Excel | Excel | Good |
| *§ Micro-Tech | Excel | Excel | Excel | Excel | Excel | Good |
| *§ Outlook | Excel | Excel | Excel | Excel | Excel | Good |
| *§ Princep 1 | Good | Good | Good | Good | Good | Excel |
| Prowl | Excel | Excel | Excel | Excel | Excel | Good |
| *§ Sharpen | None | None | None | None | None | Good |
| Postemergence | ||||||
| Accent Q | Good | Fair | Good | Fair | -- | Good |
| Aim | None | None | None | None | None | Good |
| * Atrazine + oil1 | Poor | Fair | Poor | Fair | Good | Good |
| Banvel/Clarity/DiDlexx | None | None | None | None | None | Fair/Good |
| * Beacon | Poor | Poor | Fair | Fair | -- | Good |
| Buctril | None | None | None | None | None | Good |
| Callisto | None | Good | None | None | None | Excel |
| Impact | Good | Good | Fair | Fair | -- | Good |
| Laudis | Good | Good | Good | None | -- | Good |
| NorthStar | Poor | Poor | Fair | Fair | -- | Fair |
| Permit | None | None | None | None | None | Good |
| Prowl | Fair | Fair | Fair | Fair | Fair | Good |
| Resolve Q | Good | Fair | Good | Good | -- | Fair |
| Resource | None | None | None | None | None | Good |
| Spirit | None | None | None | None | None | Good |
| * Status | Poor | Poor | Poor | Poor | Poor | Excel |
| Steadfast Q | Good | Fair | Good | Good | Good | Good |
| Yukon | None | None | None | None | None | Good |
| * Restricted-use pesticide; may be purchased and used only by certified applicators or someone under the direct supervision of a certified applicator. | ||||||
| § Not for use in Nassau and Suffolk Counties; pesticide labels that indicate “Not for use on Long Island, NY” mean that use is prohibited in Nassau and Suffolk Counties only. | ||||||
| 1 Effectiveness ratings for *atrazine and *§ Princep are not accurate for triazine-resistant lambsquarters, pigweed, and ragweed. | ||||||