Enlist Duo Herbicide: A Novel 2,4-D Plus Glyphosate Premix Formulation with Low Potential for Off-target Movement

    Published: Mar 2013

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    Since their introduction in 1996, glyphosate-tolerant crops have been widely adopted in the United States. The adoption of the glyphosate-tolerant cropping system and the increasing use of glyphosate have contributed to the development of glyphosate-resistant weeds and the increased prevalence of hard-to-control weeds. Dow AgroSciences is developing the Enlist Weed Control System to address this problem. This herbicide-tolerant trait technology provides robust tolerance to 2,4-dichlorophenoxyacetic acid (2,4-D) in corn, soybeans, and cotton. It will be combined with other traits that provide glyphosate tolerance. Concurrent with the development of the trait technology, Dow AgroSciences is developing new 2,4-D-based products to be used in this weed control system. Enlist Duo herbicide (PremixED), a premix formulation that combines 2,4-D choline salt with glyphosate, employs novel formulation technology that substantially reduces the potential for off-target movement through ultralow volatility and minimized potential for spray droplet drift. PremixED also provides greater spray tank stability and compatibility than current tank mixes of 2,4-D with glyphosate. The herbicidal efficacy of the new formulation is comparable to that of an equivalent tank mixture.


    2,4-D, glyphosate, Enlist Duo herbicide, premix formulation, off-target movement, volatilization, spray particle drift

    Author Information:

    Li, Mei
    Dow AgroSciences LLC, Indianapolis, IN

    Tank, Holger
    Dow AgroSciences LLC, Indianapolis, IN

    Kennedy, Alex
    Dow AgroSciences LLC, Indianapolis, IN

    Zhang, Hong
    Dow AgroSciences LLC, Indianapolis, IN

    Downer, Brandon
    Dow AgroSciences LLC, Indianapolis, IN

    Ouse, Dave
    Dow AgroSciences LLC, Indianapolis, IN

    Liu, Lei
    Dow AgroSciences LLC, Indianapolis, IN

    Committee/Subcommittee: E35.22

    DOI: 10.1520/STP155820120079

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