PCP #34940 · Lier Chemical Co., Ltd. · Herbicide
Group 22 contact herbicide (diquat dibromide 240 g/L solution) for desiccation of pulse, oilseed and legume forage seed crops, weed control in vegetable and field crops, corn spurry control in oats, and weed control in non-crop land.
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 grass | 1.86 L/acre | – | 24 d |
| Bean | Pre-harvest desiccation | 0.506–0.931 L/acre | – | 24 d |
| Bean | Weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Beet | Weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Canola | Pre-harvest desiccation | 0.506–0.931 L/acre | – | 24 d |
| Carrot | Weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Chickpea | Pre-harvest desiccation | 0.506–0.688 L/acre | 4 d | 24 d |
| Cole Crops | Weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Corn | Weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Cucumber | Weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Faba Bean | Pre-harvest desiccation | 0.506–0.931 L/acre | 4 d | 24 d |
| Flax | Pre-harvest desiccation | 0.506–0.931 L/acre | – | 24 d |
| Lentil | Pre-harvest desiccation | 0.506–0.931 L/acre | – | 24 d |
| Lupin | Pre-harvest desiccation | 0.931 L/acre | 7 d |
| 24 d |
| Mustard | Pre-harvest desiccation | 0.506–0.931 L/acre | – | 24 d |
| Non-Crop Areas | Weeds | 0.931–1.86 L/acre | – | 12 d |
| Oats | Corn spurry | 0.364–0.506 L/acre | – | 24 d |
| Onion | Weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Pea | Pre-harvest desiccation | 0.506–0.931 L/acre | – | 24 d |
| Pea | Weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Soybean | Weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Sunflower | Pre-harvest desiccation | 0.506–0.931 L/acre | 15 d | 24 d |
| Turnip | Weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Vegetables | Weeds (inter-row directed weeding) | 0.931–1.86 L/acre | – | 24 d |
| White Clover | Pre-harvest desiccation | 0.688–1.09 L/acre | – | 24 d |
Adjuvant requirements, compatibility notes, and mixing restrictions from the official label. Always confirm against the official label PDF before mixing.
| Guidance | Adjuvant | Rate |
|---|---|---|
| Do not mix | wetters, spreaders or stickers (Oats - Corn Spurry Control) Do not use wetters, spreaders or stickers. | – |
| Do not mix | surfactant (Oats - Corn Spurry Control) Do not use any surfactant. | – |
| Do not mix | wetters, spreaders or stickers (pre-harvest desiccation) Do not add wetters, spreaders or stickers to the spray solution. | – |
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.
