PCP #34779 · Viking Crop Production Partners Inc. · Herbicide
Group 4 herbicide containing clopyralid for control of Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle, volunteer alfalfa, and other broadleaf weeds in cereals, canola, flax, forage grasses, sugar beets, various vegetables, fruits, and non-crop areas.
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 |
|---|---|---|---|---|
| Apple | Perennial vetch species | 0.227 L/acre | 30 d | – |
| Barley | Canada thistle, common groundsel, perennial sow-thistle (top growth), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.113–0.17 L/acre | – | 12 d |
| Blueberry | Red and white clover | 0.336 L/acre | 45 d | – |
| Blueberry | Tufted vetch | 0.17 L/acre | 304 d | – |
| Blueberry | Vetch | 0.17 L/acre | 45 d | – |
| Broccoli | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.227 L/acre | 30 d | – |
| Cabbage | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.227 L/acre | 30 d | – |
| Canola | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.17–0.336 L/acre | – | 12 d |
| Canola | Canada thistle, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), common groundsel | 0.17–0.227 L/acre | – | – |
| Cauliflower | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.227 L/acre | 30 d | – |
| Chinese Broccoli | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel |
| 0.227 L/acre |
| 30 d |
| – |
| Chinese Radish | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.227 L/acre | 30 d | – |
| Christmas Trees | Vetch (Vicia spp.) | 0.17 L/acre | – | – |
| Conifers | Labelled weeds | 0.17–0.227 L/acre | – | – |
| Cranberry | Vetch | – | 60 d | – |
| Flax | Canada thistle, common groundsel, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.227–0.336 L/acre | – | – |
| Forage Grasses | Weeds listed on label plus alsike clover | 0.17–0.336 L/acre | – | – |
| Kohlrabi | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.227 L/acre | 30 d | – |
| Mustard Cabbage | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.227 L/acre | 30 d | – |
| Nappa Cabbage | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.227 L/acre | 30 d | – |
| Oats | Canada thistle, common groundsel, perennial sow-thistle (top growth), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.113–0.17 L/acre | – | 12 d |
| Poplar | Canada thistle and other labelled weeds | 0.336 L/acre | – | – |
| Rangeland | Spotted and diffuse knapweed | 0.283 L/acre | – | – |
| Rangeland | Weeds on label plus alsike clover | 0.17–0.336 L/acre | – | – |
| Rights-of-way | Depends on weeds present and Canada thistle control level required | 0.17–0.336 L/acre | – | – |
| Rutabaga | Common ragweed | 0.227 L/acre | 83 d | 12 d |
| Shelterbelts | Canada thistle | 0.336 L/acre | – | – |
| Strawberry | Tufted vetch, Canada thistle; suppression of sheep sorrel and ox-eye daisy | 0.227–0.336 L/acre | – | – |
| Sugar Beet | Canada thistle | 0.227–0.336 L/acre | 90 d | 12 d |
| Summerfallow | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.336 L/acre | – | – |
| Wheat | Canada thistle, common groundsel, perennial sow-thistle (top growth), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.113–0.17 L/acre | – | 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 Refine Extra 20 g/ha + Agral 90 Adjuvant 0.2% v/v plus 420 g ae/ha | 0.2% v/v |
| Required | AMIGO Adjuvant Select 0.19 L/ha plus Amigo® at 0.5% v/v | 0.5% v/v |
| Required | MERGE® ADJUVANT Poast Ultra 0.32 - 0.47 L/ha plus Merge® Adjuvant 0.75-1.0L/ha | 0.75-1.0 L/ha |
| Required | adjuvant Starane II plus MCPA Ester plus Achieve Liquid... plus Turbocharge 0.5 % v/v | 0.5% v/v |
| Recommended | adjuvant If a tank-mix partner requires the addition of an adjuvant add the recommended adjuvant and dilution rate to the tank-mix. | – |
| Compatible | MERGE® ADJUVANT add the required amount of Merge adjuvant or non-ionic surfactant plus fertilizer (Odyssey WDG tank-mix) | – |
| Compatible | non-ionic surfactant continue agitation and add the required amount of Merge adjuvant or non-ionic surfactant plus fertilizer | – |
| Compatible | silicone anti-foaming agent If excess foaming occurs, a silicone anti-foaming agent may be added (e.g. Halt®) | – |
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.
