The wet spring has been very favorable for pathogens and we can already see leaf diseases developing on corn. Fortunately, the most common leaf disease at this point seems to be holcus spot, which rarely, if ever, causes economic damage. Fungal leaf diseases are also beginning to appear, with anthracnose and eyespot especially evident.
Iowa State University
Munkvold, Gary P. and Martinson, Charlie A., "Controlling leaf diseases in seed corn in 2001" (2001). Integrated Crop Management News. 1903.
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