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SHIELDEX® 400SC HERBICIDE
PCP #32943 · Isk Biosciences Corporation · Herbicide
Group 27
Group 27 HPPD inhibitor herbicide for postemergence control of broadleaf and grassy weeds in field corn, sweet corn, seed corn and popcorn. Controls or suppresses key weeds including velvetleaf, waterhemp, pigweed, foxtails, and crabgrass.
Registered uses (25)
Crop × pest × application rate combinations from the official label. Rates converted to per-acre. Always confirm against the official label PDF before applying.
| Crop | Target | Rate | PHI |
|---|---|---|---|
| Field Corn | Amaranth, Palmer | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Amaranth, Powell | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Barnyardgrass | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Cocklebur, common | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Crabgrass, large | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Fleabane, Canada | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Foxtail, giant | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Foxtail, green | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Foxtail, yellow | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Lady's thumb | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Lamb's quarters, common | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Mustard, wild | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Pigweed, redroot | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Pigweed, smooth | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Purslane, Common | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Ragweed, common | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Ragweed, giant | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Shepherd's Purse | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Smartweed, Pennsylvania | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Velvetleaf | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Waterhemp, common | 30.4–40.5 mL/acre | 45 d |
| Field Corn | Waterhemp, tall | 30.4–40.5 mL/acre | 45 d |
| Popcorn | Broadleaf and grassy weeds | 30.4–40.5 mL/acre | 45 d |
| Seed Corn | Broadleaf and grassy weeds | 30.4–40.5 mL/acre | 45 d |
| Sweet Corn | Broadleaf and grassy weeds | 30.4–40.5 mL/acre | 35 d |
About this content. This page presents the official PMRA label as published by Health Canada's Pest Management Regulatory Agency, the source of record. Always read the official label and consult your provincial pesticide- application authority before use. Report an error.