PCP #33743 · Interprovincial Cooperative Limited · Herbicide
Group 22 herbicide solution containing diquat ion for desiccation of field crops, vine killing in potatoes, and weed control in various agricultural and non-crop settings.
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 | – | – |
| Bean | Desiccation - full canopy, few weeds | 0.506–0.85 L/acre | – | – |
| Bean | Desiccation - heavy crop stand and/or weedy crop and/or heavy vine regrowth | 0.688–0.931 L/acre | – | – |
| Bean | Large weeds (greater than 5 cm high) | 1.86 L/acre | – | – |
| Bean | Small weeds (3-5 cm high) | 0.931 L/acre | – | – |
| Beet | Large weeds (greater than 5 cm high) | 1.86 L/acre | – | – |
| Beet | Small weeds (3-5 cm high) | 0.931 L/acre | – | – |
| Canola | Desiccation - full canopy, few weeds | 0.506–0.688 L/acre | – | – |
| Canola | Desiccation - very dense canopy and/or weedy crop | 0.688–0.931 L/acre | – | – |
| Carrot | Large weeds (greater than 5 cm high) | 1.86 L/acre | – | – |
| Carrot | Small weeds (3-5 cm high) | 0.931 L/acre | – | – |
| Chickpea | Desiccation - full canopy, few weeds | 0.506–0.688 L/acre | – | – |
| Chickpea | Desiccation - heavy crop stand and/or weedy crop and/or heavy vine regrowth | 0.688 L/acre | – |
| – |
| Cole Crops | Large weeds (greater than 5 cm high) | 1.86 L/acre | – | – |
| Cole Crops | Small weeds (3-5 cm high) | 0.931 L/acre | – | – |
| Corn | Large weeds (greater than 5 cm high) | 1.86 L/acre | – | – |
| Corn | Small weeds (3-5 cm high) | 0.931 L/acre | – | – |
| Cucumber | Large weeds (greater than 5 cm high) | 1.86 L/acre | – | – |
| Cucumber | Small weeds (3-5 cm high) | 0.931 L/acre | – | – |
| Faba Bean | Desiccation | 0.506–0.931 L/acre | 10 d | – |
| Flax | Desiccation - full canopy, few weeds | 0.506–0.688 L/acre | – | – |
| Flax | Desiccation - very dense canopy and/or weedy crop | 0.688–0.931 L/acre | – | – |
| Legume Seed Crops | Desiccation - full canopy and/or weedy crop | 0.688–1.09 L/acre | 7 d | – |
| Legume Seed Crops | Desiccation - very dense canopy and/or weedy crop and/or secondary regrowth | 1.09 L/acre | 7 d | – |
| Lentil | Desiccation - full canopy, few weeds | 0.506–0.688 L/acre | – | – |
| Lentil | Desiccation - very dense canopy and/or weedy crop | 0.688–0.931 L/acre | – | – |
| Lupin | Desiccation - full canopy, few weeds | 0.931 L/acre | 7 d | – |
| Mustard | Desiccation - full canopy, few weeds | 0.506–0.688 L/acre | – | – |
| Mustard | Desiccation - very dense canopy and/or weedy crop | 0.688–0.931 L/acre | – | – |
| Non-Crop Land | Weeds | 0.931–1.86 L/acre | – | – |
| Oats | Corn spurry less than 8 cm high | 0.364 L/acre | – | – |
| Oats | Corn spurry more than 8 cm high | 0.506 L/acre | – | – |
| Onion | Large weeds (greater than 5 cm high) | 1.86 L/acre | – | – |
| Onion | Small weeds (3-5 cm high) | 0.931 L/acre | – | – |
| Pea | Desiccation - full canopy, few weeds | 0.506–0.688 L/acre | – | – |
| Pea | Desiccation - very dense canopy and/or weedy crop | 0.688–0.931 L/acre | – | – |
| Pea | Large weeds (greater than 5 cm high) | 1.86 L/acre | – | – |
| Pea | Small weeds (3-5 cm high) | 0.931 L/acre | – | – |
| Potato | Large weeds (greater than 5 cm high) | 1.86 L/acre | – | – |
| Potato | Small weeds (3-5 cm high) | 0.931 L/acre | – | – |
| Potato | Vine killing - top growth fully mature, little or no weeds | 0.506 L/acre | 1 d | – |
| Potato | Vine killing - top growth heavy or weedy field | 1.42 L/acre | 1 d | – |
| Potato | Vine killing - top growth light, little weed growth or top growth heavy and in early stage of maturity | 0.688–0.931 L/acre | 1 d | – |
| Soybean | Desiccation - full canopy, few weeds | 0.506–0.85 L/acre | – | – |
| Soybean | Desiccation - heavy crop stand and/or weedy crop and/or heavy vine regrowth | 0.688–0.931 L/acre | – | – |
| Soybean | Large weeds (greater than 5 cm high) | 1.86 L/acre | – | – |
| Soybean | Small weeds (3-5 cm high) | 0.931 L/acre | – | – |
| Sunflower | Desiccation - full canopy, few weeds | 0.506–0.688 L/acre | – | – |
| Sunflower | Desiccation - very dense canopy and/or weedy crop | 0.688–0.931 L/acre | – | – |
| Turnip | Large weeds (greater than 5 cm high) | 1.86 L/acre | – | – |
| Turnip | Small weeds (3-5 cm high) | 0.931 L/acre | – | – |
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/1000 L |
| Required | FALCON NON-IONIC SURFACTANT 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 |
| Required | 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/1000 L |
| Recommended | FALCON NON-IONIC SURFACTANT 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 |
| 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 |
| Do not mix | surfactant Use of an adjuvant such as a non-ionic surfactant or LI 700 is not recommended for this crop, except as noted. (Potato - Vine Killing, general) | – |
| Do not mix | spreader_sticker Do not use wetters, spreaders or stickers except as directed for the 1.25 L rate in the prairie provinces. (Potato - Vine Killing) | – |
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.
