PCP #35932 · Rainbow CropSciences Inc. · Herbicide
Group 4 herbicide (clopyralid 360 g/L as monoethanolamine salt) as a solution formulation 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 |
|---|---|---|---|---|
| Apple | Perennial vetch species and labelled weeds | 0.227 L/acre | 30 d | 12 d |
| Barley | Canada thistle, common groundsel, perennial sow-thistle (top growth), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.17–0.227 L/acre | – | 12 d |
| Blueberry | Tufted vetch | 0.17 L/acre | 300 d | 12 d |
| Blueberry | Vetch; red and white clover | 0.17–0.336 L/acre | 45 d | 12 d |
| Canola | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.17–0.336 L/acre | – | 12 d |
| Canola | Canada thistle, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), common groundsel | 0.17–0.227 L/acre | – | 12 d |
| Christmas Trees | Vetch (Vicia spp.) | 0.17 L/acre | – | 12 d |
| Conifers | Labelled weeds | 0.17–0.227 L/acre | – | 12 d |
| Cranberry | Vetch | – | 60 d | 12 d |
| Fallow | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.336 L/acre | – | 12 d |
| Flax | Canada thistle, common groundsel, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa |
| 0.227–0.336 L/acre |
| – |
| 12 d |
| Forage and Pasture | Labelled weeds plus alsike clover | 0.17–0.336 L/acre | – | 12 d |
| Forage and Pasture | Labelled weeds plus alsike clover | 0.17–0.336 L/acre | – | 12 d |
| Garden Beet | Labelled weeds | 0.17–0.227 L/acre | 30 d | 12 d |
| Non-Crop Areas | Canada thistle and labelled broadleaf weeds; rates per Weeds Controlled table | 0.17–0.336 L/acre | – | 12 d |
| Non-Crop Areas | Kudzu (short-term to season-long suppression of top growth) | 0.227–0.336 L/acre | – | 12 d |
| Non-Crop Areas | Spotted and diffuse knapweed | 0.283 L/acre | – | 12 d |
| Oats | Canada thistle, common groundsel, perennial sow-thistle (top growth), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.17–0.227 L/acre | – | 12 d |
| Onion | Labelled weeds | 0.17–0.227 L/acre | 45 d | 12 d |
| Poplar | Canada thistle and other labelled weeds | 0.336 L/acre | – | 12 d |
| Rutabaga | Common ragweed | 0.227 L/acre | 83 d | 12 d |
| Saskatoon Berry | Canada thistle | 0.227 L/acre | 45 d | 12 d |
| Shelterbelts | Canada thistle | 0.336 L/acre | – | 12 d |
| Spinach | Common ragweed and common groundsel | 0.117 L/acre | 21 d | 12 d |
| Stone Fruit | Broadleaf weeds including vetch | 0.17–0.336 L/acre | 30 d | 12 d |
| Strawberry | Tufted vetch, Canada thistle; sheep sorrel and ox-eye daisy (suppression) | 0.227–0.336 L/acre | – | 12 d |
| Sugar Beet | Canada thistle | 0.227–0.336 L/acre | 90 d | 12 d |
| Turnip | Labelled weeds | 0.17–0.227 L/acre | 30 d | 12 d |
| Vegetables | Ragweed, vetch, common groundsel, Canada thistle; sheep sorrel (suppression) | 0.227 L/acre | 30 d | 12 d |
| Wheat | Canada thistle, common groundsel, perennial sow-thistle (top growth), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.17–0.227 L/acre | – | 12 d |
| Wheat | Labelled weeds; giant ragweed (emergence to five leaf stage) | 0.17–0.227 L/acre | 60 d | 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 Adigor Adjuvant 700 mL/ha | 700 mL/ha |
| Required | ADIGOR Adjuvant 420 - 560 g ae/ha plus 600 mL/ha plus Adigor Adjuvant 700 mL/ha | 700 mL/ha |
| Required | ADIGOR Adjuvant 0.1 L/ha plus 420 g ae/ha 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 Adjuvant at 0.5% v/v | 0.5% v/v |
| Required | AMIGO Adjuvant 0.19 L/ha plus Amigo Adjuvant at 0.5 v/v plus 420 - 560 g a.e./ha | 0.5% v/v |
| Required | adjuvant (or non-ionic surfactant) continue agitation and add the required amount of Merge Adjuvant or non-ionic surfactant plus fertilizer | – |
| Required | adjuvant MCPA Ester plus Achieve Liquid Herbicide ... plus Intake Adjuvant 0.5 or 1.0*% v/v | 0.5 or 1.0% v/v |
| Required | 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 | adjuvant continue agitation and add the required amount of Merge Adjuvant or non-ionic surfactant plus fertilizer | – |
| Required | adjuvant 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 | adjuvant 420 - 560 g ae/ha plus 0.5 L/ha plus Intake Adjuvant 0.5 or 1.0*% v/v | 0.5 or 1.0% v/v |
| Required | adjuvant plus 0.5 L/ha plus Intake Adjuvant 0.5 or 1.0*% v/v | 0.5 or 1.0% v/v |
| Required | adjuvant Under adverse conditions, such as dense weed population, late weed growth stage, or poor environmental conditions apply 1.0% v/v of Intake Adjuvant | 1.0% v/v |
| Required | adjuvant (as required by tank mix partner) If a tank mix partner requires the addition of an adjuvant add the recommended adjuvant and dilution rate to the tank mix | – |
| Compatible | silicone anti-foaming agent If excess foaming occurs, a silicone anti-foaming agent may be added (e.g. Halt) | – |
| Compatible | non-ionic surfactant add the required amount of Merge Adjuvant or non-ionic surfactant plus fertilizer | – |
| Compatible | silicone anti-foaming agent 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.
