PCP #20968 · Bayer CropScience Inc. · Herbicide
Group 5 triazinone herbicide (metribuzin 75% wettable granules in water-soluble packets) for control of certain grasses and broadleaf weeds in soybeans, potatoes, cereals, pulses, tomatoes, asparagus, fruit trees, highbush blueberries, lupins, carrots, fababeans, field corn, and shelterbelts.
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 |
|---|---|---|---|---|
| Asparagus | Annual grass and broadleaf weeds | 607 g/acre | 14 d | 12 d |
| Blueberry | Annual grass and broadleaf weeds | 405 g/acre | 730 d | 12 d |
| Carrot | Annual grass and broadleaf weeds | 152 g/acre | – | 12 d |
| Chickpea | Suppression only: ball mustard, common chickweed, corn spurry, green smartweed, hempnettle, lamb's-quarter, stinkweed, Tartary buckwheat, volunteer non-triazine tolerant canola, wild mustard | 111 g/acre | 40 d | 12 d |
| Corn | Annual grasses and broadleaf weeds | 400–675 g/L | – | 12 d |
| Faba Bean | Annual grasses (annual blue grass, barnyard grass, brome grass, cheat grass, goose grass, green foxtail, Persian darnel, stink grass, wild oats, yellow foxtail) and broadleaf weeds (carpetweed, chickweed, cow cockle, green smartweed, hempnettle, knotweed, lady's-thumb, lamb's-quarter, purslane, redroot pigweed, shepherd's purse, stinkweed, volunteer non-triazine tolerant canola, wild buckwheat, wild mustard; Russian thistle not controlled in fababeans) | 111–223 g/acre | – | 12 d |
| Fruit Trees | Annual grass and broadleaf weeds | 202–405 g/acre | – | 12 d |
| Lentil |
| Postemergence suppression: ball mustard, common chickweed, corn spurry, green smartweed, hempnettle, lamb's-quarter, stinkweed, Tartary buckwheat, volunteer non-triazine tolerant canola, wild mustard. PPI with Treflan: annual grasses and labelled broadleaf weeds |
| 56.7–111 g/acre |
| 70 d |
| 12 d |
| Lupin | Annual weeds; annual grasses and broadleaf weeds including nightshade (tank-mix with Dual Magnum or Dual II Magnum) | 227–273 g/acre | – | 12 d |
| Narrow-Leaved Lupin | Annual grass and broadleaf weeds | 111 g/acre | – | 12 d |
| Pea | Ball mustard, common chickweed, corn spurry, green smartweed, hempnettle, lamb's-quarter, stinkweed, Tartary buckwheat, volunteer non-triazine tolerant canola, wild mustard | 111–152 g/acre | 40 d | 12 d |
| Pea | Postemergence: ball mustard, common chickweed, corn spurry, green smartweed, hempnettle, lamb's-quarter, stinkweed, Tartary buckwheat, volunteer non-triazine tolerant canola, wild mustard. PPI with Treflan: annual grasses (including wild oats, green and yellow foxtail) and labelled broadleaf weeds | 56.7–152 g/acre | 70 d | 12 d |
| Potato | Annual grass and broadleaf weeds | 223–607 g/acre | 60 d | 12 d |
| Potato | Annual grass and broadleaf weeds | 152–304 g/acre | 60 d | 12 d |
| Shelterbelt | Annual grass and broadleaf weeds | 400 g/L | – | 12 d |
| Soybean | Annual grass and broadleaf weeds (barnyard grass, cheat grass, crab grass, fall panicum, foxtails, Johnson grass seedling, witch grass; carpetweed, cocklebur, chickweed, ragweed, lamb's-quarter, redroot pigweed, wild mustard, velvetleaf, and others as labelled) | 223–607 g/acre | – | 12 d |
| Soybean | Annual grasses (annual blue grass, barnyard grass, brome grass, cheat grass, goose grass, green foxtail, Persian darnel, stink grass, wild oats, yellow foxtail) and broadleaf weeds (carpetweed, chickweed, cow cockle, green smartweed, hempnettle, knotweed, lady's-thumb, lamb's-quarter, purslane, redroot pigweed, Russian thistle, shepherd's purse, stinkweed, volunteer non-triazine tolerant canola, wild buckwheat, wild mustard) | 111–223 g/acre | – | 12 d |
| Spring Barley | At 200 g/ha: common chickweed, green smartweed, hempnettle (suppression only), lady's-thumb, lamb's-quarter, redroot pigweed, stinkweed, volunteer non-triazine tolerant canola, wild mustard. At 275 to 375 g/ha: ball mustard, common chickweed, common groundsel, corn spurry, green smartweed, hempnettle, henbit (375 g/ha only), lady's-thumb, lamb's-quarter, night flowering catchfly, redroot pigweed, Russian thistle (375 g/ha only), stinkweed, Tartary buckwheat, volunteer non-triazine tolerant canola, wild mustard, wormseed mustard | 80.9–152 g/acre | 60 d | 12 d |
| Tomato | Annual grass and broadleaf weeds | 152–445 g/acre | 60 d | 12 d |
| Tomato | Annual grass and broadleaf weeds | 80.9 g/acre | 30 d | 12 d |
| Tomato | Annual grass and broadleaf weeds (corn spurry and hempnettle suppression with multiple postemergence applications of 200 g/ha) | 80.9 g/acre | 30 d | 12 d |
| Wheat | At 200 g/ha: common chickweed, green smartweed, hempnettle (suppression only), lady's-thumb, lamb's-quarter, redroot pigweed, stinkweed, volunteer non-triazine tolerant canola, wild mustard. At 275 g/ha: ball mustard, common chickweed, common groundsel, corn spurry, green smartweed, hempnettle, lady's-thumb, lamb's-quarter, night flowering catchfly, redroot pigweed, stinkweed, Tartary buckwheat, volunteer non-triazine tolerant canola, wild mustard, wormseed mustard | 80.9–111 g/acre | 60 d | 12 d |
| Wheat | Downy brome, stinkweed, flixweed, shepherd's purse | 227–304 g/acre | 60 d | 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 |
|---|---|---|
| Recommended | ASSIST Under adverse conditions (drought), the following additives may be applied with the recommended treatments: crop oil concentrate (Assist) at 1% v/v | 1% v/v |
| Recommended | ASSIST Under adverse conditions (drought), and for improved burndown of small emerged annual weeds, the following additives may be applied with the recommended treatments: crop oil concentrate (Assist) at 1% v/v | 1% v/v |
| Recommended | non-ionic surfactant Under adverse conditions (drought), the following additives may be applied with the recommended treatments: non-ionic surfactant at 0.1% v/v | 0.1% v/v |
| Recommended | non-ionic surfactant Under adverse conditions (drought), and for improved burndown of small emerged annual weeds, the following additives may be applied with the recommended treatments: non-ionic surfactant at 0.1% v/v | 0.1% v/v |
| Recommended | crop oil crop oil, 28-0-0, or 10-34-0 at 5% v/v (only for tank mixtures with the herbicides Dual Magnum or Dual II Magnum +/- glyphosate Herbicide) | 5% v/v |
| Compatible | ASSIST Under adverse conditions (drought), and for improved burndown of small emerged annual weeds, the following additives may be applied with the recommended treatments: crop oil concentrate (Assist) at 1% v/v | 1% v/v |
| Compatible | FALCON NON-IONIC SURFACTANT Under adverse conditions (drought), and for improved burndown of small emerged annual weeds, the following additives may be applied with the recommended treatments: ... non-ionic surfactant at 0.1% v/v | 0.1% v/v |
| Compatible | crop oil / liquid fertilizer (28-0-0 or 10-34-0) crop oil, 28-0-0, or 10-34-0 at 5% v/v (only for tank mixtures with the herbicides Dual Magnum or Dual II Magnum +/- glyphosate Herbicide) | 5% v/v |
| Do not mix | wetting agents or surfactants (tank-mix) Do not tank-mix with other pesticides, wetting agents or surfactants (Chickpeas - Western Canada) | – |
| Do not mix | other pesticides, wetting agents or surfactants Do not tank-mix with other pesticides, wetting agents or surfactants (chickpeas - Western Canada). | – |
| Do not mix | liquid fertilizers, oils, oil concentrates, or surfactants (postemergence, early postemergence application) Do not tank-mix with liquid fertilizers, oils, oil concentrates, or surfactants when applying postemergence because severe crop injury may occur. | – |
| Do not mix | other pesticides, wetting agents, or surfactants (POSTEMERGENCE APPLICATION) Do not tank-mix with other pesticides, wetting agents, or surfactants. | – |
| Do not mix | other pesticides, wetting agents or surfactants (Processing Peas - Western Canada) Do not tank-mix with other pesticides, wetting agents or surfactants. | – |
| Do not mix | other pesticides, wetting agents or surfactants (Chickpeas - Western Canada) Do not tank-mix with other pesticides, wetting agents or surfactants. | – |
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.