2,4-D (2,4-Dichlorophenoxyacetic acid)

common systemic herbicide used in the control of broadleaf weeds. Was one of the ingredients in Agent Orange, one of the herbicides and defoliants used by the U.S. military as part of its herbicidal warfare program during the Vietnam War [14]. Dow Chemical intends its use as an alternative to Roundup Ready crops due to the increasing prevalence of glyphosate resistant weeds (superweeds). [4]