Lontrel™ XC Herbicide
PCP #32795 · Corteva Agriscience Canada Company · Herbicide
Group 4 herbicide containing clopyralid for selective control of broadleaf weeds including Canada thistle, vetch, ragweed, and other susceptible species in cereals, oilseeds, vegetables, fruits, forage crops, and non-crop areas. Solution formulation for post-emergent application.
Registered uses (34)
Crop × pest × application rate combinations from the official label. Rates converted to per-acre. Always confirm against the official label PDF before applying.
| Crop | Target | Rate | PHI |
|---|---|---|---|
| Barley | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.101–0.138 L/acre | — |
| Beet | Labelled weeds | 0.101–0.138 L/acre | 30 d |
| Blueberry | Red and white clover | 0.202 L/acre | 45 d |
| Blueberry | Tufted vetch | 0.101 L/acre | 300 d |
| Blueberry | Vetch | 0.101 L/acre | 45 d |
| Cabbage | Ragweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel | 0.138 L/acre | 30 d |
| Canary Seed | Canada thistle (6-8 weeks control) | 0.069 L/acre | 60 d |
| Canola | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.101–0.202 L/acre | — |
| Canola | Canada thistle, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), common groundsel | 0.101–0.138 L/acre | — |
| Christmas Trees | Vetch (Vicia spp.) | 0.101 L/acre | — |
| Conifer | Labelled weeds | 0.101–0.138 L/acre | — |
| Corn | Canada thistle (top growth), vetch (Vicia spp.), alsike clover | 0.101 L/acre | — |
| Cranberry | Vetch and labelled weeds | 0.101–0.202 L/acre | 60 d |
| Flax | Canada thistle, common groundsel, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.138–0.202 L/acre | — |
| Grass Seed Production | Weeds listed on label plus alsike clover | 0.101–0.202 L/acre | — |
| Non-Crop | Perennial and annual broadleaved weeds | 0.101–0.202 L/acre | — |
| Non-Crop | Spotted and diffuse knapweed | 0.17 L/acre | — |
| Oats | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.101–0.138 L/acre | — |
| Onion | Labelled weeds | 0.17–0.227 L/acre | 45 d |
| Pome Fruit | Perennial vetch species and labelled weeds | 0.138 L/acre | 30 d |
| Poplar | Canada thistle and other labelled weeds | 0.202 L/acre | — |
| Rangeland | Weeds on label plus alsike clover | 0.101–0.202 L/acre | — |
| Rutabaga | Common ragweed | 0.138 L/acre | 83 d |
| Rye | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.101–0.138 L/acre | — |
| Saskatoon Berry | Canada thistle | 0.227 L/acre | 45 d |
| Shelterbelts | Canada thistle | 0.202 L/acre | — |
| Spinach | Common ragweed, common groundsel | 0.07 L/acre | 21 d |
| Stone Fruit | Broadleaf weeds including vetch | 0.101–0.202 L/acre | 30 d |
| Strawberry | Tufted vetch, Canada thistle; suppression of sheep sorrel and ox-eye daisy | 0.138–0.202 L/acre | — |
| Sugar Beet | Canada thistle | 0.138–0.202 L/acre | 90 d |
| Summerfallow | Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa | 0.202 L/acre | — |
| Turnip | Labelled weeds | 0.101–0.138 L/acre | 30 d |
| Wheat | Canada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa | 0.101–0.138 L/acre | — |
| Wheat | Labelled weeds; giant ragweed (emergence to five leaf stage) | 0.101–0.138 L/acre | 60 d |
About this content. This page presents the official PMRA label as published by Health Canada's 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.