PCP #31039 · Corteva Agriscience Canada Company · Herbicide
Group 4 herbicide containing clopyralid as monoethanolamine salt for control of broadleaf weeds including Canada thistle, scentless chamomile, wild buckwheat, vetch, and volunteer alfalfa in canola, flax, cereals, forage grasses, vegetables, fruits, and non-crop areas.
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 | 113 g/acre | 30 d | – |
| Barley | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 85–113 g/acre | – | 12 d |
| Blueberry | red and white clover | 168 g/acre | – | – |
| Blueberry | vetch | 85 g/acre | – | – |
| Canola | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 85–168 g/acre | – | – |
| Canola | Canada thistle, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), common groundsel | 85–113 g/acre | – | – |
| Christmas Trees | vetch (Vicia spp.) | 85 g/acre | – | – |
| Cranberry | vetch | – | 60 d | – |
| Flax | Canada thistle, common groundsel, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 113–168 g/acre | – | – |
| Forage Grasses | Weeds listed on label plus alsike clover | 85–168 g/acre | – | – |
| Kohlrabi | ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 113 g/acre | 30 d | – |
| Oats |
| Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa |
| 85–113 g/acre |
| – |
| 12 d |
| Rutabaga | common ragweed | 113 g/acre | 83 d | – |
| Shelterbelts | Canada thistle | 168 g/acre | – | – |
| Sugar Beet | Canada thistle | 113–168 g/acre | 90 d | – |
| Summerfallow | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 168 g/acre | – | – |
| Wheat | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 85–113 g/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 | AGRAL 90 Refine Extra 20 g/ha + Agral 90 Adjuvant 0.2% v/v + 420 g ae/ha | 0.2% v/v |
| Required | AMIGO Adjuvant Select 0.19 L/ha + Amigo Adjuvant at 0.5% v/v | 0.5% v/v |
| Required | MERGE® ADJUVANT Poast Ultra 0.32-0.47 L/ha + Merge Adjuvant 0.75-1.0 L/ha | 0.75-1.0 L/ha |
| Required | SCORE® Adjuvant Liquid MCPA Ester + 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 + MCPA Ester + Horizon 240 EC: 230 mL/ha + Score Adjuvant 0.8% v/v | 0.8% v/v |
| 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 | MERGE® ADJUVANT After the Lontrel 72 Herbicide is dissolved, continue agitation and add the required amount of Merge adjuvant or non-ionic surfactant plus fertilizer | – |
| 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.
