The ester forms of 2,4-D can be highly toxic to fish and other aquatic life. 2,4-D generally has moderate toxicity to birds and mammals, is slightly toxic to fish and aquatic invertebrates, and is practically nontoxic to honeybees. Swimming is restricted for 24 hours after application of certain 2,4-D products applied to control aquatic weeds to avoid eye irritation. 2,4-D generally has low toxicity for humans, except certain acid and salt forms can cause eye irritation. ![]() ![]() The toxicity depends on its chemical forms, including salts, esters, and an acid form. Products are sold in liquid (concentrated or ready-to-use), dust, or granule formulations.ΔΆ,4-D products can be safely used by following label directions. It may also be used to regulate the growth of citrus plants. ![]() 2,4-D is a widely used herbicide that controls broadleaf weeds that has been used as a pesticide since the 1940s. It is used in many places including turf, lawns, rights-of-way, aquatic sites, forestry sites, and a variety of field, fruit and vegetable crops.
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