PCP #33744 · Federated Co-operatives Limited · Herbicide
Group 22 bipyridylium herbicide (diquat) for potato vine killing, pre-harvest desiccation of pulse, oilseed and legume seed crops, corn spurry control in oats, and weed control in vegetable and field crops, under apple trees, and on 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 grasses | 1.86 L/acre | – | 24 d |
| Bean | Emerged weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Bean | Pre-harvest desiccation | 0.506–0.931 L/acre | – | 24 d |
| Beet | Emerged weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Bird's-foot Trefoil | Pre-harvest desiccation | 0.688–1.09 L/acre | – | 24 d |
| Canola | Pre-harvest desiccation | 0.506–0.931 L/acre | – | 24 d |
| Carrot | Emerged 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 | Emerged weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Corn | Emerged weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Cucumber | Emerged 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 |
| Guar | Pre-harvest desiccation |
| 0.506–0.931 L/acre |
| – |
| 24 d |
| Lablab Bean | 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 and grasses (top kill) | 0.931–1.86 L/acre | – | 12 d |
| Non-Crop Areas | Weeds between the rows | 0.931–1.86 L/acre | – | 24 d |
| Oats | Corn spurry | 0.364–0.506 L/acre | – | 24 d |
| Onion | Emerged weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Pea | Emerged weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Pea | Pre-harvest desiccation | 0.506–0.931 L/acre | – | 24 d |
| Pigeon Pea | Pre-harvest desiccation | 0.506–0.931 L/acre | – | 24 d |
| Potato | Emerged weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Potato | Vine killing | 0.506–1.42 L/acre | 1 d | 24 d |
| Soybean | Emerged weeds (stale seedbed) | 0.931–1.86 L/acre | – | 24 d |
| Soybean | Pre-harvest desiccation | 0.506–0.931 L/acre | – | 24 d |
| Sunflower | Pre-harvest desiccation | 0.506–0.931 L/acre | 15 d | 24 d |
| Turnip | Emerged weeds (stale seedbed) | 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 |
|---|---|---|
| Required | FALCON NON-IONIC SURFACTANT add 1 L non-ionic surfactant/1000 L or 2.5 L LI 700/ 1000 L in the prairie provinces | 1 L non-ionic surfactant/1000 L or 2.5 L LI 700/1000 L |
| Required | non-ionic surfactant (wetting and spreading agent) Use a non-ionic surfactant, a wetting and spreading agent, at a rate of 1 L for each 1000 L of spray mixture unless otherwise stated. | 1 L for each 1000 L of spray mixture |
| Required | non-ionic surfactant (wetting and spreading agent) For ground or aerial application, use a non-ionic surfactant as a wetting and spreading agent, at a rate of 1 L for each 1000 L of spray mixture. | 1 L for each 1000 L of spray mixture |
| Compatible | LI 700® with LECI-TECH® For beans or lentils, LI 700® at a rate of 2.5 L for each 1000 L of spray mixture may be used. | 2.5 L for each 1000 L of spray mixture |
| Compatible | LI 700® with LECI-TECH® add 1 L non-ionic surfactant/1000 L or 2.5 L LI 700/ 1000 L in the prairie provinces | 2.5 L LI 700/1000 L |
| Do not mix | wetters, spreaders or stickers Sweet White Lupins: Do not add wetters, spreaders or stickers to the spray solution. | – |
| Do not mix | wetters, spreaders, stickers, and any surfactant Oats (Corn Spurry Control): Do not use wetters, spreaders or stickers. Do not use any surfactant. | – |
| Do not mix | wetters, spreaders or stickers (adjuvant/non-ionic surfactant or LI 700) Potato – Vine Killing: Use of an adjuvant such as a non-ionic surfactant or LI 700 is not recommended for this crop, except as noted. Do not use wetters, spreaders or stickers except as directed for the 1.25 L rate in the prairie provinces. | – |
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.
