PCP #32795 · Corteva Agriscience Canada Company · Herbicide
Group 4 liquid concentrate herbicide containing 600 g/L clopyralid (present as the dimethylamine salt) for control of perennial and annual broadleaved weeds including Canada thistle, wild buckwheat, scentless chamomile, common groundsel and volunteer alfalfa in field crops, vegetables, fruit, forage grasses, Christmas trees, pasture, rangeland 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 |
|---|---|---|---|---|
| Balsam Fir | Spotted and diffuse knapweed | 0.17 L/acre | – | 12 d |
| Balsam Fir | vetch (Vicia spp.) | 0.101 L/acre | – | 12 d |
| Barley | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.101–0.138 L/acre | – | 12 d |
| Beet | Labelled weeds | 0.101–0.138 L/acre | 30 d | 12 d |
| Blueberry | red and white clover | 0.202 L/acre | 45 d | 12 d |
| Blueberry | vetch | 0.101 L/acre | 45 d | 12 d |
| Broccoli | Labelled weeds | 0.138 L/acre | 30 d | 12 d |
| Brussels Sprouts | Labelled weeds | 0.138 L/acre | 30 d | 12 d |
| Cabbage | Labelled weeds | 0.138 L/acre | 30 d | 12 d |
| Canary Seed | Canada thistle (control for 6-8 weeks) | 0.069 L/acre | 60 d | 12 d |
| Canola |
| Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa |
| 0.138 L/acre |
| – |
| 12 d |
| Canola | Canada thistle, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), common groundsel | 0.101–0.138 L/acre | – | 12 d |
| Cauliflower | Labelled weeds | 0.138 L/acre | 30 d | 12 d |
| Chinese Broccoli | Labelled weeds | 0.138 L/acre | 30 d | 12 d |
| Chinese Radish | Labelled weeds | 0.138 L/acre | 30 d | 12 d |
| Conifer | Post emergence weed control | 0.101–0.138 L/acre | – | 12 d |
| Corn | Canada thistle (top growth), vetch (Vicia spp.), alsike clover | 0.101 L/acre | 40 d | 12 d |
| Cranberry | vetch (wiper); labelled weeds (broadcast) | 0.101–0.202 L/acre | 60 d | 12 d |
| Durum Wheat | Labelled weeds; giant ragweed (emergence to the five leaf stage) at 0.34 L/ha | 0.101–0.138 L/acre | 60 d | 12 d |
| Fallow | Canada thistle (season-long control of top growth with a reduction in population in the following year), kudzu (for up to season long suppression of top growth), and other labelled weeds | 0.202 L/acre | – | 12 d |
| Flax | Canada thistle, common groundsel, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.138–0.202 L/acre | – | 12 d |
| Grass Seed Production | Labelled broadleaf weeds | 0.101–0.202 L/acre | – | 12 d |
| Kohlrabi | Labelled weeds | 0.138 L/acre | 30 d | 12 d |
| Lowbush Blueberry | tufted vetch | 0.101 L/acre | 300 d | 12 d |
| Mustard Cabbage | Labelled weeds | 0.138 L/acre | 30 d | 12 d |
| Nappa Cabbage | Labelled weeds | 0.138 L/acre | 30 d | 12 d |
| Non-Crop Areas | Canada thistle (season-long control of top growth with a reduction in population in the following year), kudzu (for up to season long suppression of top growth), and other labelled weeds | 0.202 L/acre | – | 12 d |
| Non-Crop Areas | Spotted and diffuse knapweed | 0.17 L/acre | – | 12 d |
| Non-Crop Areas | Weeds present depending on level of Canada thistle control required | 0.101–0.202 L/acre | – | 12 d |
| Oats | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.101–0.138 L/acre | – | 12 d |
| Onion | Labelled weeds | 0.17–0.227 L/acre | 45 d | 12 d |
| Pasture | Weeds on the label plus alsike clover | 0.101–0.202 L/acre | – | 12 d |
| Pome Fruit | Labelled weeds | 0.138 L/acre | 30 d | 12 d |
| Poplar | Canada thistle and other labelled weeds | 0.202 L/acre | – | 12 d |
| Rangeland | Weeds on the label plus alsike clover | 0.101–0.202 L/acre | – | 12 d |
| Rutabaga | common ragweed | 0.138 L/acre | 83 d | 12 d |
| Rye | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.101–0.138 L/acre | – | 12 d |
| Saskatoon Berry | Canada thistle | 0.227 L/acre | 45 d | 12 d |
| Shelterbelts | Labelled weeds | 0.202 L/acre | – | 12 d |
| Spinach | common ragweed and common groundsel | 70.4 mL/acre | 21 d | 12 d |
| Stone Fruit | Broadleaf weeds including vetch | 0.101–0.202 L/acre | 30 d | 12 d |
| Strawberry | Labelled weeds | 0.138–0.202 L/acre | – | 12 d |
| Sugar Beet | Canada thistle | 0.138–0.202 L/acre | 90 d | 12 d |
| Turnip | Labelled weeds | 0.101–0.138 L/acre | 30 d | 12 d |
| Turnip | Labelled weeds | 0.101–0.138 L/acre | 15 d | 12 d |
| Wheat | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.101–0.138 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 | ADIGOR Adjuvant MCPA Ester plus Axial 100EC Herbicide ... plus 600 mL/ha plus Adigor Adjuvant 700 mL/ha | 700 mL/ha |
| Required | AMIGO Adjuvant Select Emulsifiable Concentrate Post Emergence Herbicide ... 0.19 L/ha plus Amigo at 0.5% v/v | 0.5% v/v |
| Required | Merge Adjuvant Poast Ultra Liquid Emulsifiable Herbicide ... 0.32 - 0.47 L/ha plus Merge Adjuvant 0.75-1.0 L/ha | 0.75-1.0 L/ha |
| Required | Merge Adjuvant add the required amount of Merge Adjuvant or non-ionic surfactant plus fertilizer | – |
| Required | Turbocharge Adjuvant MCPA Ester plus Liquid Achieve SC Herbicide ... plus 0.5 L/ha plus Turbocharge Adjuvant 0.5% v/v | 0.5% v/v |
| Compatible | Halt 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.
