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2,4-D is primarily used as a selective herbicide that kills many terrestrial and aquatic broadleaf weeds, but not grasses. 2,4-D can be found in commercial lawn herbicide mixtures, which often contain other active ingredients including mecoprop and dicamba. Over 1,500 herbicide products contain 2,4-D as an active ingredient.
Use. 2,4-D is a post-emergence systemic herbicide used widely for selective control of broadleaf plants in a variety of food, forest, aquatic, and residential sites. On average, 4.6 million pounds are used annually: 66% on agriculture, 23% on pasture/ rangeland, and 11% by homeowners.
2,4-D was a respiratory allergen in mice as assessed by a significant increase in total IgE levels and IgE-expressing B-cell populations following repeated dermal applications of 25 µL of a 5% solution of 2,4-D in acetone/saline (doses of approximately 62.5 mg 2,4-D/kg) and then challenged intratracheally with 50 µL of a 0.5% solution of the ...
2,4-D (2,4-dichlorophenoxyacetic acid) is a herbicide in the phenoxy or phenoxyacetic acid family that is used postemergence for selective control of broadleaf weeds. Residents and professional applicators may use 2,4-D on home lawns.
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2,4-Dichlorophenoxyacetic acid (2,4-D) is a free acid pesticide widely used in the United States. While the free acid is itself used as an herbicide, there are nine forms of 2,4-D registered as active ingredients in end use products.
1 mar 2007 · 2,4-Dichlorophenoxyacetic acid (2,4-D) is member of the phenoxy family of herbicides and has major uses in agriculture crops, forestry, turf, non-crop and aquatic weeds. Since its introduction in 1946, the toxicology of 2,4-D has been studied extensively and repeatedly.
