Instances of Frogeye Leaf Spot Resistance to QoIs Abundant in Iowa

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2020-01-27
Authors
Mueller, Daren
Stoetzer, Ethan
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Integrated Crop Management News
Extension and Experiment Station Publications
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Abstract

Iowa State University researchers, with funding from soybean checkoff through the United Soybean Board and Iowa Soybean Association, have confirmed that over 70 isolates of the pathogen Cercospora sojina (cause of frogeye leafspot in soybeans in Iowa) are resistant to quinone outside inhibitor (QoI) fungicides.

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Wed Jan 01 00:00:00 UTC 2020
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