PREP II Herbicide
PCP #31547 · Corteva Agriscience Canada Company · Herbicide
Group 2 selective postemergence herbicide for control of hard-to-kill annual broadleaf weeds in spring wheat (including durum), winter wheat, spring barley, and oats (tank mixes only) not underseeded with legumes. Contains florasulam as an ALS enzyme inhibitor. For sale and use in Prairie Provinces and Interior British Columbia only.
Registered uses (7)
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 |
|---|---|---|---|
| Barley | Annual broadleaf weeds (buckwheat wild, volunteer canola, chickweed common, cleavers, cow cockle, shepherd's-purse, smartweed, stinkweed, mustard wild) | — | 60 d |
| Barley | Volunteer glyphosate tolerant canola, wild buckwheat (up to 5 leaf), dandelion (top growth control up to 6 leaf stage), plus labelled weeds controlled by PREP II or glyphosate | 40.5 mL/acre | — |
| Oats | Annual broadleaf weeds (buckwheat wild, volunteer canola, chickweed common, cleavers, cow cockle, shepherd's-purse, smartweed, stinkweed, mustard wild) | — | 60 d |
| Oats | Volunteer glyphosate tolerant canola, wild buckwheat (up to 5 leaf), dandelion (top growth control up to 6 leaf stage), plus labelled weeds controlled by PREP II or glyphosate | 40.5 mL/acre | — |
| Wheat | Annual broadleaf weeds (buckwheat wild, volunteer canola, chickweed common, cleavers, cow cockle, shepherd's-purse, smartweed, stinkweed, mustard wild) | — | 60 d |
| Wheat | Annual broadleaf weeds (buckwheat wild, volunteer canola, chickweed common, cleavers, cow cockle, shepherd's-purse, smartweed, stinkweed, mustard wild) | — | 60 d |
| Wheat | Volunteer glyphosate tolerant canola, wild buckwheat (up to 5 leaf), dandelion (top growth control up to 6 leaf stage), plus labelled weeds controlled by PREP II or glyphosate | 40.5 mL/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.