Iowa State University researchers recently published their annual fungicide trial data for soybeans in 2019, revealing a continued decline in efficiency among the quinone outside inhibitors (QoI) class of fungicides in preventing foliar diseases in soybeans.
Iowa State University
Mueller, Daren S. and Stoetzer, Ethan, "2019 Soybean Foliar Fungicide Trials Show Decreasing Efficiency in QoI Class" (2020). Integrated Crop Management News. 2596.
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