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.
Crop × pest × application rate combinations from the official label. Rates converted to per-acre. PHI is the pre-harvest interval; REI is the restricted-entry interval. Always confirm against the official label PDF before applying.
| Crop | Target | Rate | PHI | REI |
|---|---|---|---|---|
| Blueberry | Weed control/suppression | 24.3 g/acre | 21 d | 12 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 | 12 d |
| Potato | Young actively growing annual grasses and broadleaf weeds | 24.3 g/acre | – | 12 d |
| Tomato | All weeds listed on label plus hairy nightshade (up to 4 leaf stage) | 24.3 g/acre | 30 d | 12 d |
| Tomato | Hairy nightshade | 24.3 g/acre | 30 d | 12 d |
| Tomato | Triazine resistant lamb's quarters, hairy nightshade, plus other broadleaf weeds | 56.7 g/acre | 30 d | 12 d |
Adjuvant requirements, compatibility notes, and mixing restrictions from the official label. Always confirm against the official label PDF before mixing.
| Guidance | Adjuvant | Rate |
|---|---|---|
| Required | AGRAL 90 Agral 90 | 2 L per 1000 L spray solution (0.2% v/v) |
| Required |
| AGRAL 90 must be applied with a non-ionic surfactant, either Citowett Plus, Agral 90 or Ag-Surf at 2 L per 1000 L spray solution (0.2% v/v) |
| 2 L per 1000 L spray solution (0.2% v/v) |
| Required | AGRAL 90 apply Prism Herbicide as a single post-emergent spray at a rate of 140 grams/hectare + 0.2% v/v non-ionic surfactant (Agral 90) to field tomatoes | 0.2% v/v |
| Required | Activate Plus NIS NIS | 2 L per 1000 L spray solution (0.2% v/v) |
| Required | CITOWETT PLUS Citowett Plus | 2 L per 1000 L spray solution (0.2% v/v) |
| Required | CITOWETT PLUS must be applied with a non-ionic surfactant, either Citowett Plus, Agral 90 or Ag-Surf at 2 L per 1000 L spray solution (0.2% v/v) | 2 L per 1000 L spray solution (0.2% v/v) |
| Required | WEEDAWAY AG-SURF II Ag-Surf | 2 L per 1000 L spray solution (0.2% v/v) |
| Required | WeedAway® Ag-Surf must be applied with a non-ionic surfactant, either Citowett Plus, Agral 90 or Ag-Surf at 2 L per 1000 L spray solution (0.2% v/v) | 2 L per 1000 L spray solution (0.2% v/v) |
| Required | non-ionic surfactant Prism Herbicide 25% Dry Flowable must be applied with a non-ionic surfactant | 2 L per 1000 L spray solution (0.2% v/v) |
| Required | non-ionic surfactant Apply Prism Herbicide 25% Dry Flowable at a rate of 60 grams/hectare + 0.2% v/v non-ionic surfactant (Citowett Plus, Agral 90 or Ag-Surf) to transplanted processing tomatoes | 0.2% v/v |
| Required | non-ionic surfactant apply Prism Herbicide 25% Dry Flowable at a rate of 60 grams/hectare + 0.2% v/v non-ionic surfactant (Citowett Plus, Agral 90 or Ag-Surf) | 0.2% v/v |
| Recommended | non-ionic surfactant make a single application early postemergence to actively growing weeds at a rate of 60 g/ha plus a recommended non-ionic surfactant such as Citowett Plus, Agral 90, or Ag-Surf at 2 L per 1000 L spray solution (0.2 % v/v) | 2 L per 1000 L spray solution (0.2% v/v) |
| Compatible | AGRAL 90 Prism | 2 L/1000 L |
| Compatible | CROP ZONE CZ 90 PRISM | 2 L/1000 L |
| Compatible | Keysal 90 PRISM | 2 L/1000 L |
About this content. This page presents the official PRD label as published by Health Canada's Pesticides Regulatory Directorate (formerly the 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.
