PCP #23933 · Gowan Company LLC. · Herbicide
Group 3 selective liquid EC herbicide (trifluralin 480 g/L) for preplant soil-incorporated weed control of annual grasses and broadleaved weeds in many field crops, oilseeds, vegetables, forage legumes, berries, asparagus, shelterbelts and ornamentals in Prairie Provinces, Eastern Canada and British Columbia.
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 |
|---|---|---|---|---|
| Alfalfa | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.688–1.38 L/acre | – | 12 d |
| Apple | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–0.971 L/acre | – | 12 d |
| Asparagus | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.809–1.7 L/acre | – | 12 d |
| Bean | Annual grasses and annual broadleaved weeds | 0.486–0.809 L/acre | – | 12 d |
| Bean | Annual grasses and annual broadleaved weeds | 0.506–0.971 L/acre | – | 12 d |
| Bean | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.688–1.38 L/acre | – | 12 d |
| Bean | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–1.21 L/acre | – | 12 d |
| Bean | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–0.688 L/acre | – | 12 d |
| Broccoli | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–1.21 L/acre | – | 12 d |
| Brussels Sprouts | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–1.21 L/acre | – | 12 d |
| Cabbage | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–1.21 L/acre |
| – |
| 12 d |
| Canola | Annual grasses (wild millet/green and yellow foxtail, barnyard grass, crab grass, brome grass, cheat, stink grass, goose grass, annual blue grass, Persian darnel) and annual broadleaves (wild buckwheat, cow cockle, pigweed, lamb's-quarters, chickweed, purslane, knotweed, carpetweed); wild oats suppressed | 0.688–1.21 L/acre | – | 12 d |
| Canola | Annual grasses and annual broadleaved weeds; wild oats suppressed | 1.38 L/acre | – | 12 d |
| Canola | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.931–1.38 L/acre | – | 12 d |
| Carrot | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–1.21 L/acre | – | 12 d |
| Cauliflower | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–1.21 L/acre | – | 12 d |
| Cereals | wild millet (green and yellow foxtail) | 0.486–0.688 L/acre | – | 12 d |
| Crambe | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–1.21 L/acre | – | 12 d |
| Faba Bean | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.688–1.38 L/acre | – | 12 d |
| Flax | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.931–1.38 L/acre | – | 12 d |
| Forage Legumes | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.688–0.931 L/acre | – | 12 d |
| Kale | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–0.971 L/acre | – | 12 d |
| Lentil | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.931–1.38 L/acre | – | 12 d |
| Mustard | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.688–1.21 L/acre | – | 12 d |
| Nursery Stock | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–0.971 L/acre | – | 12 d |
| Pea | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–1.38 L/acre | – | 12 d |
| Pepper | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–0.971 L/acre | – | 12 d |
| Rape | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–0.971 L/acre | – | 12 d |
| Rutabaga | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–1.21 L/acre | – | 12 d |
| Safflower | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.688–1.38 L/acre | – | 12 d |
| Sainfoin | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.688–1.21 L/acre | – | 12 d |
| Saskatoon Berry | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.688–0.931 L/acre | – | 12 d |
| Shelterbelt | Annual grasses and annual broadleaved weeds | 1.9–3.76 L/acre | – | 12 d |
| Shelterbelt | witchgrass, lamb's-quarters, purslane, shepherds purse, green foxtail, Russian thistle, wild buckwheat, stinkweed, prostrate pigweed; wild oats suppressed | 2.1 L/acre | – | 12 d |
| Soybean | All weeds on Treflan label plus smartweed, velvetleaf, wild mustard and common ragweed | 0.486–0.971 L/acre | – | 12 d |
| Soybean | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.688–1.38 L/acre | – | 12 d |
| Soybean | Annual grasses and broadleaved weeds | 0.486–0.971 L/acre | – | 12 d |
| Soybean | Annual grasses and broadleaved weeds | 0.486–0.971 L/acre | – | 12 d |
| Soybean | Weeds controlled by Treflan plus wild mustard, stinkweed, green smartweed, volunteer canola (non-triazine tolerant), shepherd's-purse, hemp-nettle, lady's-thumb | 0.688–1.38 L/acre | – | 12 d |
| Strawberry | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.688–0.931 L/acre | – | 12 d |
| Sunflower | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–1.38 L/acre | – | 12 d |
| Sweet Clover | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.688–1.21 L/acre | – | 12 d |
| Tomato | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–1.21 L/acre | – | 12 d |
| Tomato | Annual grasses and broadleaved weeds including Eastern black nightshade (higher Dual rate) | 0.445–0.85 L/acre | 60 d | 12 d |
| Turnip | Annual grasses and annual broadleaved weeds; wild oats suppressed | 0.486–0.971 L/acre | – | 12 d |
| Wheat | loose silky bentgrass | 0.486–0.971 L/acre | – | 12 d |
| Wheat | wild millet (green and yellow foxtail) | 0.486–0.688 L/acre | – | 12 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 | Assist Oil Concentrate Postemergence / Basagran Herbicide plus Assist Oil Concentrate (1/2-1% of spray volume): 1.75-2.25 L/ha | 1/2-1% of spray volume |
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.
