Lontrel™ 72
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.
Registered uses (17)
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 |
|---|---|---|---|
| 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 | — |
| 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 | — |
| 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 | — |
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.