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Authority 480

SKU: TL01002555

Authority 480 herbicide is a powerful, flexible pre-emergent Group 14 herbicide that provides extended activity on challenging weeds like kochia, redroot pigweed, lamb’s-quarters, wild buckwheat and cleavers. Authority 480 herbicide can be tank-mixed with glyphosate. 


As a Group 14, Authority 480 herbicide is active on the following resistant weeds: redroot pigweed (Groups 2 and 5), lamb’s-quarters (Group 2), cleavers (Groups 2 and 4), kochia (Groups 2, 4, 5 and 9) and wild buckwheat (Group 2). One small case of Authority 480 herbicide treats 128 acres to 172 acres, with a convenient liquid formulation, compared to 80 acres for one large tote of competitive granular herbicide.

Registered for use on Chickpeas, Field Peas, Flax, Sunflowers, Soybeans, Wheat (Spring and Durum), Tame Mustard, Asparagus, Fababeans, Mint, Strawberries, Horseradish, Brassica, Head and Stem (Crop Group 5-13) (Transplants only), Brassica, Leafy Greens (Crop Sub-Group 4-13b), Tomatoes (Transplants only), Tree Nuts (Crop Group 14), Grapes and Berries (Crop Group 13-07, such as cranberries, raspberries and blueberries) and Apples

For a full list of crops and application directions, refer to the product label. Always read and follow label directions.

Active Ingredient



Group  14  herbicide

PCP # 29012


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  • About FMC

    FMC Corporation is an agricultural sciences company with a proud history of serving farmers for more than a century. Their purpose is to enhance the growth of agriculture through the sustainable protection of crops.

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    Regulations prohibit sale of pest control products outside Canada. For more information about pest control product regulations within Canada, please refer to this summary.