Landscape-scale field studies were conducted to evaluate the fate and transport of benzovindiflupyr, an SDHI fungicide active ingredient, and its major degradation products from cropped areas to receiving farm ponds. Studies were initiated in two locations; one in Georgia with a cotton/peanut/cucurbit crop rotation and another in Missouri with a corn/soybean crop rotation. Applications were made in 2017 and 2018 seasons at maximum labelled rates and typical timing for the respective crops. Depth-integrated pond water samples and sediment core samples were collected on a monthly basis to evaluate residue concentrations over time. Initial residue results in runoff, pond water, and pond sediment will be presented and compared with relevant ecotoxicological endpoints.

Landscape-scale field studies to evaluate fate and transport of an agricultural fungicide to farm ponds

2019 Fall National Meeting

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