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AUTHORITY® 480 HERBICIDE
PCP #29012 · FMC of Canada Limited · Herbicide
Group 14
Group 14 herbicide containing sulfentrazone at 480 g/L for pre-plant and pre-emergence control of annual broadleaf weeds and grasses in field crops, vegetables, fruits, berries, tree nuts, and specialty crops. Provides residual control when activated by moisture. Apply once every other year to established crops on fine to medium textured soils with 1.5-6% organic matter and pH <7.8.
Registered uses (22)
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 | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | — |
| Apple | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | 14 d |
| Asparagus | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | 14 d |
| Chickpea | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | — |
| Chinese Cabbage | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | — |
| Fababean | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | — |
| Flax | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | — |
| Grape | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | 3 d |
| Horseradish | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | — |
| Kale | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | — |
| Mint | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | — |
| Mint | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 66.4–88.6 mL/acre | — |
| Mustard | Kochia, lamb's-quarters, redroot pigweed, Powell (green) pigweed; suppression of Russian thistle | 88.6 mL/acre | — |
| Pea | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | — |
| Rhodiola rosea | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | 365 d |
| Saskatoon Berry | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | 3 d |
| Soybean | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | — |
| Strawberry | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 118 mL/acre | 70 d |
| Sunflower | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | — |
| Tomato | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | 19 d |
| Walnut | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression), Wild buckwheat, Eastern black nightshade, Common waterhemp, Smooth crabgrass, Large crabgrass, Yellow woodsorrel, Common groundsel, Cleavers (suppression), Common purslane | 88.6–118 mL/acre | 3 d |
| Wheat | Kochia, Lamb's-quarters, Redroot pigweed, Powell (green) pigweed, Russian thistle (suppression) | 88.6 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.