Frogeye leaf spot (FLS), caused by Cercospora sojina, is a serious disease affecting soybeans and can cause more than 30% yield loss if not properly managed. First reported in the United States in ...

Premature leaf drop triggered the detection of the fungus Cercospora kikuchii which attacks both leaves and seeds of soybeans. The field was flown to see the widespread impact, and the diseased areas ...

Presence of Cercospora leaf blight, does not guarantee purple seed stain, even though they are caused by the same organism. Foliar symptoms begin in the upper canopy on leaves exposed to the sun.