PCP #35378 · Interprovincial Cooperative Limited · Herbicide
Group 4 liquid clopyralid herbicide (600 g/L, 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, 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 |
|---|---|---|---|---|
| Balsam Fir | Spotted and diffuse knapweed | 0.17 L/acre | – | 12 d |
| Balsam Fir | Vetch | 0.101 L/acre | – | 12 d |
| Barley | Canada thistle (top growth at 0.25 L/ha); season-long thistle control at 0.34 L/ha | 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, wild buckwheat |
| 0.101–0.138 L/acre |
| – |
| 12 d |
| Canola | Canada thistle, wild buckwheat, scentless chamomile, common groundsel, volunteer alfalfa; perennial sow-thistle (top growth suppression) | 0.069–0.202 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 | Labelled weeds | 0.101–0.138 L/acre | – | 12 d |
| Corn | Perennial and annual broadleaved weeds | 0.101 L/acre | 40 d | 12 d |
| Corn | Perennial and annual broadleaved weeds | 0.069 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 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 (up to season long suppression of top growth) | 0.202 L/acre | – | 12 d |
| Flax | Perennial and annual broadleaved weeds | 0.138–0.202 L/acre | – | 12 d |
| Grass Seed Production | Perennial and annual broadleaved weeds | 0.101–0.202 L/acre | – | 12 d |
| Kohlrabi | Labelled weeds | 0.138 L/acre | 30 d | 12 d |
| Lowbush Blueberry | Labelled weeds | 101 mL/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 | Perennial and annual broadleaved weeds; Canada thistle (rate-dependent control); spotted and diffuse knapweed at 0.42 L/ha | 0.101–0.202 L/acre | – | 12 d |
| Oats | Canada thistle (top growth at 0.25 L/ha); season-long thistle control at 0.34 L/ha | 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; spotted and diffuse knapweed at 0.42 L/ha | 0.101–0.202 L/acre | – | 12 d |
| Pome Fruit | Labelled weeds | 0.138 L/acre | 30 d | 12 d |
| Poplar | Labelled weeds | 0.202 L/acre | – | 12 d |
| Rangeland | Weeds on the label plus alsike clover; spotted and diffuse knapweed at 0.42 L/ha | 0.101–0.202 L/acre | – | 12 d |
| Rutabaga | Common ragweed | 0.138 L/acre | 83 d | 12 d |
| Saskatoon Berry | Labelled weeds | 0.227 L/acre | 45 d | 12 d |
| Shelterbelts | Labelled weeds | 0.202 L/acre | – | 12 d |
| Spinach | Labelled weeds | 70.4 mL/acre | 21 d | 12 d |
| Stone Fruit | Labelled weeds | 0.101–0.202 L/acre | 30 d | 12 d |
| Strawberry | Labelled weeds | 0.138–0.202 L/acre | – | 12 d |
| Sugar Beet | Perennial and annual broadleaved weeds | 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 (top growth at 0.25 L/ha); season-long thistle control at 0.34 L/ha | 0.101–0.138 L/acre | – | 12 d |
| Wheat | Canada thistle (top growth at 0.25 L/ha); season-long thistle control at 0.34 L/ha | 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 | AMIGO Adjuvant Select plus MCPA Ester ... 0.19 L/ha plus Amigo Adjuvant at 0.5 v/v plus 420 - 560 g a.e./ha | 0.5% v/v |
| Required | SURE-MIX™ SURFACTANT Note 2: When tank mixing with Refine Extra ... Add the surfactant last. | – |
| Required | Merge Adjuvant Poast Ultra plus MCPA Ester ... 0.32 - 0.47 L/ha plus Merge Adjuvant 0.75-1.0 L/ha plus 420 - 560 g ai/ha | 0.75-1.0 L/ha |
| Required | Merge adjuvant continue agitation and add the required amount of Merge adjuvant or non-ionic surfactant plus fertilizer (Odyssey WDG tank mix mixing instructions) | – |
| Recommended | ADIGOR Adjuvant Note 1: If a tank mix partner requires the addition of an adjuvant add the recommended adjuvant and dilution rate to the tank mix. | – |
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.
