CO-OP CONTENDER® II HERBICIDE
PCP #33961 · Interprovincial Cooperative Limited · Herbicide
Group 1 herbicide for selective post-emergence control of annual and perennial grassy weeds in various broadleaf crops including canola, flax, soybeans, pulses, mustards, and specialty crops. Contains quizalofop-p-ethyl for control of volunteer cereals, foxtails, wild oats, quackgrass and other grassy weeds.
Registered uses (32)
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 |
|---|---|---|---|
| Alfalfa | Annual and perennial grassy weeds | 0.154–0.304 L/acre | — |
| Bean | Annual and perennial grassy weeds | 0.154–0.304 L/acre | 30 d |
| Bean | Annual and perennial grassy weeds | 0.154–0.304 L/acre | 30 d |
| Bean | Annual grassy weeds | 0.152–0.304 L/acre | 30 d |
| Bean | Annual grassy weeds and quackgrass | 0.154–0.304 L/acre | 30 d |
| Camelina | Annual and perennial grassy weeds | 0.154–0.304 L/acre | 64 d |
| Canola | Barnyard grass, Wild oats, Fall panicum, Old Witchgrass, Proso millet, Yellow foxtail, Foxtail barley, Downy brome, Japanese brome, Quackgrass (suppressed) | 0.202 L/acre | — |
| Canola | Green foxtail, Volunteer barley, Volunteer corn, Volunteer oats, Volunteer wheat, Wild oats | 0.154 L/acre | — |
| Canola | Quackgrass and other listed grasses | 0.304 L/acre | — |
| Chickpea | Annual and perennial grassy weeds | 0.154–0.304 L/acre | 85 d |
| Clover | Annual and perennial grassy weeds | 0.154–0.304 L/acre | — |
| Crambe | Annual and perennial grassy weeds | 0.154–0.304 L/acre | 64 d |
| Cucurbit Vegetables | Grassy weeds | 0.154–0.304 L/acre | 30 d |
| Faba Bean | Annual and perennial grassy weeds | 0.154–0.304 L/acre | 30 d |
| Fescue | Broadleaf and grassy weeds | 0.202–0.304 L/acre | — |
| Fescue | Quackgrass and annual grassy weeds | 0.202–0.304 L/acre | — |
| Flax | Annual and perennial grassy weeds | 0.154–0.304 L/acre | — |
| Hemp | Annual and perennial grassy weeds | 0.154–0.304 L/acre | 73 d |
| Legumes | Annual and perennial grassy weeds | 0.154–0.304 L/acre | — |
| Legumes for seed | Annual and perennial grassy weeds | 0.202–0.304 L/acre | — |
| Lentils | Annual and perennial grassy weeds | 0.154–0.304 L/acre | — |
| Lupin | Annual and perennial grassy weeds | 0.154–0.304 L/acre | 30 d |
| Mustard | Annual and perennial grassy weeds | 0.154–0.304 L/acre | 64 d |
| Mustard | Annual and perennial grassy weeds | 0.154–0.304 L/acre | 64 d |
| Mustard | Annual and perennial grassy weeds | 0.154–0.202 L/acre | 64 d |
| Pea | Annual and perennial grassy weeds | 0.154–0.304 L/acre | — |
| Rutabaga | Annual grassy weeds | 0.152–0.304 L/acre | 30 d |
| Saskatoon Berry | Annual and perennial grassy weeds | 0.154–0.304 L/acre | 41 d |
| Soybean | Annual and perennial grassy weeds | 0.154–0.304 L/acre | — |
| Soybean | Long-spined sandbur | 0.154 L/acre | 80 d |
| Sugarbeet | Annual grasses, volunteer cereals and quackgrass | 0.154–0.304 L/acre | 60 d |
| Sunflower | Annual and perennial grassy weeds | 0.154–0.304 L/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.