Influence of Cultural Practices & Fungicides on Frogeye Leaf Spot & Cercospora Blight

By Dr. Clayton Hollier, LSU AgCenter

Frogeye leaf spot (Cercospora sojina) and Cercospora blight (Cercospora kikuchii, C. flagellaris, C. sigesbeckiae) are two important diseases of soybeans in Louisiana. Left unchecked, both can induce serious quantity and quality yield losses on susceptible varieties.