PRISM™ HERBICIDE
PCP #23983 · Corteva Agriscience Canada Company · Herbicide
Group 2 ALS inhibitor herbicide containing 25% rimsulfuron as dry flowable formulation for post-emergent control of annual grasses, quackgrass, and broadleaf weeds in potatoes, tomatoes, and highbush blueberries. Requires non-ionic surfactant for efficacy. Rapidly stops growth of susceptible species with symptoms appearing within 5-7 days.
Registered uses (6)
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 |
|---|---|---|---|
| Blueberry | Weed control/suppression | 24.3 g/acre | 21 d |
| Potato | Quackgrass, annual grasses, redroot pigweed, barnyard grass, fall panicum, green foxtail, lamb's-quarters (suppression only), yellow foxtail, witchgrass | 24.3 g/acre | 30 d |
| Potato | Young actively growing annual grasses and broadleaf weeds | 24.3 g/acre | — |
| Tomato | All weeds listed on label plus hairy nightshade (up to 4 leaf stage) | 24.3 g/acre | 30 d |
| Tomato | Hairy nightshade | 24.3 g/acre | 30 d |
| Tomato | Triazine resistant lamb's quarters, hairy nightshade, plus other broadleaf weeds | 56.7 g/acre | 30 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.