Compiled by Wayne Buhler and Wayne Mitchem, Department of Horticultural Science Growers utilizing paraquat for non-selective POST weed control will have to adhere to new legal requirements to use this herbicide in 2020. All herbicide products containing paraquat-dichloride (“paraquat”) are restricted-use pesticides marketed under various trade names (Gramoxone, Para-SHOT, Parazone,…
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