PCP #35788 · Yongnong Biosciences Co., Ltd. · Herbicide
Group 4 clopyralid herbicide for control of perennial and annual broadleaved weeds (primarily Canada thistle, scentless chamomile, sow-thistle, wild buckwheat) in field crops, Christmas tree plantations, pasture, rangeland, vegetable and fruit crops, and non-cropland.
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 | – |
| Balsam Fir | Vetch (Vicia spp.) | 0.17 L/acre | – | – |
| Barley | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.17–0.227 L/acre | – | – |
| Blueberry | Tufted vetch | 0.17 L/acre | 300 d | – |
| Blueberry | Vetch, red and white clover | 0.17–0.336 L/acre | 45 d | – |
| Canola | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.17–0.336 L/acre | – | – |
| Canola | Canada thistle, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), common groundsel | 0.17–0.227 L/acre | – | – |
| Conifers | Labeled 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 | – | – |
| Grasses | Labelled weeds plus alsike clover | 0.17–0.336 L/acre | – | – |
| Kohlrabi | Ragweed, vetch, common groundsel, Canada thistle, sheep sorrel (suppression) |
| 0.227 L/acre |
| 30 d |
| – |
| Non-crop Farmland | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.336 L/acre | – | – |
| Non-cropland | Canada thistle and labelled weeds | 0.17–0.336 L/acre | – | – |
| Oats | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.17–0.227 L/acre | – | – |
| Poplar | Canada thistle and other labelled weeds | 0.336 L/acre | – | – |
| Rangeland | Labelled weeds plus alsike clover | 0.17–0.336 L/acre | – | – |
| Rutabaga | Common ragweed | 0.227 L/acre | 83 d | – |
| Shelterbelts | Canada thistle | 0.336 L/acre | – | – |
| Strawberry | Tufted vetch, Canada thistle, sheep sorrel (suppression), ox-eye daisy (suppression) | 0.227–0.336 L/acre | – | – |
| Sugar Beet | Canada thistle | 0.227–0.336 L/acre | 90 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 control), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.17–0.227 L/acre | – | – |
Adjuvant requirements, compatibility notes, and mixing restrictions from the official label. Always confirm against the official label PDF before mixing.
| Guidance | Adjuvant | Rate |
|---|---|---|
| Required | ADIGOR Adjuvant Adigor | 700 mL/ha |
| Required | Merge Adjuvant | 0.75-1.0 L/ha |
| Required | Amigo Adjuvant, EMPIRE ADJUVANT, EMPIRE II ADJUVANT, or TONTO ADJUVANT | 0.5% v/v |
| Required | Intake Adjuvant | 0.5% v/v |
| Required | Chem Spray Adjuvant | 0.8 - 1.0% v/v |
| Required | Agral 90 or AgSurf | 0.25% v/v |
| Required | Chem Spray Adjuvant | 0.8% v/v |
| Required | Agral 90 Adjuvant | 0.2% v/v |
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.