Clopi Herbicide
PCP #32422 · Sharda Cropchem Limited · 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, vegetables, fruits, and non-crop areas.
Registered uses (32)
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 |
|---|---|---|---|
| Apple | Perennial vetch species | 0.272 L/acre | 30 d |
| Balsam Fir | Vetch (Vicia spp.) | 0.204 L/acre | — |
| Barley | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.204–0.272 L/acre | — |
| Blueberry | Red and white clover | 0.403 L/acre | 45 d |
| Blueberry | Tufted vetch | 0.204 L/acre | 300 d |
| Blueberry | Vetch | 0.204 L/acre | 45 d |
| Broccoli | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d |
| Cabbage | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d |
| Canola | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.204–0.403 L/acre | — |
| Canola | Canada thistle, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), common groundsel | 0.204–0.272 L/acre | — |
| Cauliflower | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d |
| Chinese Broccoli | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d |
| Chinese Radish | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d |
| Conifers | Labelled weeds | 0.204–0.272 L/acre | — |
| Cranberry | Vetch | — | 60 d |
| Flax | Canada thistle, common groundsel, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.272–0.403 L/acre | — |
| Grass Seed | Weeds on label plus alsike clover | 0.204–0.403 L/acre | — |
| Kohlrabi | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d |
| Mustard Cabbage | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d |
| Nappa Cabbage | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d |
| Non-Crop | Labelled weeds including Canada thistle | 0.204–0.403 L/acre | — |
| Non-Crop | Spotted and diffuse knapweed | 0.34 L/acre | — |
| Oats | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.204–0.272 L/acre | — |
| Poplar | Canada thistle and other labelled weeds | 0.403 L/acre | — |
| Rangeland | Weeds on label plus alsike clover | 0.204–0.403 L/acre | — |
| Rutabaga | Common ragweed | 0.272 L/acre | 83 d |
| Shelterbelt | Canada thistle | 0.403 L/acre | — |
| Strawberry | Tufted vetch, Canada thistle, suppression of sheep sorrel and ox-eye daisy | 0.272–0.403 L/acre | — |
| Sugarbeet | Canada thistle | 0.272–0.403 L/acre | 90 d |
| Summerfallow | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.403 L/acre | — |
| Wheat | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.204–0.272 L/acre | — |
| Wheat | Labelled weeds; giant ragweed | 0.204–0.272 L/acre | 60 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.