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Effect of Foliar Fungicides on Late-season Anthracnose Stem Blight on Soybean

N. R. C. Bestor, A. E. Robertson, and D. S. Mueller

August 2014


Anthracnose stem blight, caused by Colletotrichum truncatum, is responsible for soybean yield losses in subtropical and tropical growing regions. There are inadequate data on the effect of anthracnose stem blight on yield in Iowa, and it is unknown if fungicide application can manage this disease. Field studies were conducted to determine the effect of fungicide application timing on late-season development of this disease and of anthracnose stem blight on yield and specific yield components.


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