PCP #32265 · Sharda Cropchem Limited · Herbicide
Group 4 pyridine carboxylic acid herbicide (clopyralid 300 g/L as the triisopropanolamine salt) for control of perennial and annual broadleaved weeds including Canada thistle, vetch, alsike clover, common ragweed, wild buckwheat, scentless chamomile, common groundsel and volunteer alfalfa in field crops, vegetables, fruit, Christmas trees, forage grasses, 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 |
|---|---|---|---|---|
| Apple | Perennial vetch species | 0.271 L/acre | 30 d | 12 d |
| Apple | Perennial vetch species | 0.272 L/acre | 30 d | 12 d |
| Balsam Fir | Labelled weeds | 0.204–0.272 L/acre | – | 12 d |
| Balsam Fir | Spotted knapweed, diffuse knapweed | 0.34 L/acre | – | 12 d |
| Balsam Fir | Vetch (Vicia spp.) | 0.204 L/acre | – | 12 d |
| Barley | Canada thistle (top growth at 0.504 L/ha; season-long control at 0.672 L/ha), common groundsel, perennial sow-thistle (top growth), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.204–0.272 L/acre | – | 12 d |
| Blueberry | Red and white clover | 0.403 L/acre | 45 d | 12 d |
| Blueberry | Vetch | 0.204 L/acre | 45 d | 12 d |
| Broccoli | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d | 12 d |
| Cabbage | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d | 12 d |
| Canola | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.272 L/acre | – | 12 d |
| Canola |
| Canada thistle, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), common groundsel |
| 0.204–0.272 L/acre |
| – |
| 12 d |
| Cauliflower | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d | 12 d |
| Chinese Broccoli | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d | 12 d |
| Chinese Radish | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d | 12 d |
| Cranberry | Vetch | 2.4 % v/v | 60 d | 12 d |
| Fallow | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.403 L/acre | – | 12 d |
| Flax | Canada thistle, common groundsel, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.272–0.403 L/acre | – | 12 d |
| Forage Grasses | Labelled weeds plus alsike clover | 0.204–0.403 L/acre | 0 d | 12 d |
| Fraser Fir | Labelled weeds | 0.204–0.272 L/acre | – | 12 d |
| Kohlrabi | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d | 12 d |
| Lowbush Blueberry | Tufted vetch | 0.204 L/acre | 300 d | 12 d |
| Mustard Cabbage | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d | 12 d |
| Nappa Cabbage | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.272 L/acre | 30 d | 12 d |
| Non-Crop Areas | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.403 L/acre | – | 12 d |
| Non-Crop Areas | Labelled weeds; rate depends on weeds present and level of Canada thistle control required | 0.204–0.403 L/acre | – | 12 d |
| Non-Crop Areas | Spotted knapweed, diffuse knapweed | 0.34 L/acre | – | 12 d |
| Oats | Canada thistle (top growth at 0.504 L/ha; season-long control at 0.672 L/ha), common groundsel, perennial sow-thistle (top growth), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.204–0.272 L/acre | – | 12 d |
| Pasture | Spotted knapweed, diffuse knapweed | 0.34 L/acre | 0 d | 12 d |
| Poplar | Canada thistle and other labelled weeds | 0.403 L/acre | – | 12 d |
| Rangeland | Labelled weeds plus alsike clover | 0.204–0.403 L/acre | 0 d | 12 d |
| Rangeland | Labelled weeds plus alsike clover | 0.204–0.403 L/acre | 0 d | 12 d |
| Rutabaga | Common ragweed | 0.272 L/acre | 83 d | 12 d |
| Shelterbelt | Canada thistle | 0.403 L/acre | – | 12 d |
| Strawberry | Canada thistle | 0.272–0.403 L/acre | – | 12 d |
| Strawberry | Sheep sorrel (suppression), ox-eye daisy (suppression) | 0.403 L/acre | – | 12 d |
| Strawberry | Tufted vetch | 0.272 L/acre | – | 12 d |
| Sugar Beet | Canada thistle | 0.272–0.403 L/acre | 90 d | 12 d |
| Wheat | Canada thistle (top growth at 0.504 L/ha; season-long control at 0.672 L/ha), common groundsel, perennial sow-thistle (top growth), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.204–0.272 L/acre | – | 12 d |
| Wheat | Giant ragweed (emergence to the five leaf stage) | 0.272 L/acre | 60 d | 12 d |
| Wheat | Labelled weeds | 0.204–0.272 L/acre | 60 d | 12 d |
| White Pine | Labelled weeds | 0.204–0.272 L/acre | – | 12 d |
| White Spruce | Labelled weeds | 0.204–0.272 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 100 EC ... 420 - 560 g ae/ha plus 600 mL/ha plus Adigor 700 mL/ha | 700 mL/ha |
| Required | ADIGOR Adjuvant MCPA Ester Plus Axial 100 EC ... 600 mL/ha plus Adigor 700 mL/ha | 700 mL/ha |
| Required | AGRAL® 90 NON-IONIC WETTING AND SPREADING AGENT Refine Extra plus 2,4-D Ester or MCPA Ester ... 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 Adjuvant at 0.5% v/v | 0.5% v/v |
| 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 | 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 0.75-1.0 L/ha | 0.75-1.0 L/ha |
| Required | MERGE® ADJUVANT After the Pyralid Herbicide is dissolved, continue agitation and add the required amount of Merge adjuvant or non-ionic surfactant plus fertilizer. | – |
| Required | SCORE® Adjuvant Liquid MCPA Ester plus Horizon 240 EC ... 230 - 290 mL/ha + Score Adjuvant 0.8 - 1.0% v/v | 0.8 - 1.0% v/v |
| Required | SCORE® Adjuvant Liquid Starane II plus MCPA Ester plus Horizon 240 EC ... 230 mL/ha + Score Adjuvant 0.8% v/v | 0.8% v/v |
| 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 | Score Adjuvant MCPA Ester plus Horizon 240 EC ... 230 - 290 mL/ha + Score Adjuvant 0.8 - 1.0% v/v | 0.8 - 1.0% v/v |
| Required | Score Adjuvant Starane II plus MCPA Ester plus Horizon 240 EC ... 230 mL/ha + Score Adjuvant 0.8% v/v | 0.8% v/v |
| Required | Agral 90 Adjuvant Refine Extra plus 2,4-D Ester or MCPA Ester ... 20 g/ha + Agral 90 Adjuvant 0.2% v/v plus 420 g ae/ha | 0.2% v/v |
| Required | non-ionic surfactant add the required amount of Merge adjuvant or non-ionic surfactant plus fertilizer | – |
| Recommended | surfactant/adjuvant If a tank-mix partner requires the addition of an adjuvant add the recommended adjuvant and dilution rate to the tank-mix. | – |
| 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 | SURE-MIX™ SURFACTANT When tank mixing with Refine Extra ... Add the surfactant last. | – |
| Compatible | Merge adjuvant continue agitation and add the required amount of Merge adjuvant or non-ionic surfactant plus fertilizer | – |
| 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.
