Texas Tech University

Future Herbicide Injury Concerns Winegrape Growers

Christina Herrick

January 30, 2017

Growing Produce - Spray drift is something growers worry about constantly, especially on smaller parcels of land which are near other farmland. As herbicide resistance becomes a greater concern, newer formulas of herbicides are released to offer growers another option to combat resistant broadleaf weeds.

These new dicamba formulations, such as a Monsanto product called Xtendimax with VaporGrip, are said to offer lower drift potential. Another is Dow's Enlist Duo with 2,4-D and glyphosate with Colex-D technology to also reduce drift. EPA recently amended the current registration for Enlist Duo to make it available in 19 additional states for use on treated corn, soybean, and cotton crops.

"If cotton farmers use Xtendimax according to label directions for use, and are especially cautious near sensitive crops like grapevines, there is will be a low risk of injury to vineyards," says Ed Hellman, Professor of Viticulture with Texas Tech University.

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