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2,4-D is a chlorophenoxy herbicide that is also sometimes used as a plant growth regulator. It is used in a wide variety of products in the United States. It controls broadleaf weeds by affecting the growth of the plants' vascular tissue. 2,4-D has a number of chemical forms, including esters and salts. The different chemical forms of 2,4-D affect organisms in different ways.

General Questions about 2,4-D

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Fact Sheet

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If you have questions about this, or any pesticide-related topic, please call NPIC at 1-800-858-7378 (8:00am - 12:00pm PST), or email at npic@ace.orst.edu.

Last updated October 10, 2012

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