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Symptoms:
2,4-D is a widely used broadleaf herbicide on roadsides, in grain crops, and in home lawns. It is volatile and may drift for considerable distances from the point of application, affecting sensitive crops including the cucurbits and tomatoes. New growth is distorted and twisted (referred to as epinasty), and leaves may become fan-shaped with flattened petioles.

Control:
Prohibit use of volatile 2,4-D esters within several hundred yards of sensitive crops.

The information given herein is for educational purposes only. Reference to commercial products or trade names is made with the understanding that no discrimination is intended and no endorsement by the Texas AgriLife Extension Service is implied.

Educational programs of the Texas AgriLife Extension Service are open to all people without regard to race, color, sex, disability, religion, age, or national origin.

Publication Revised July 2009