Charcoal Rot of Corn
Gallery Images: G. Munkvold
Charcoal rot causes disintegration of pith tissue as well as formation of microsclerotia.
Pith tissue disintegrates, leaving vascular tissue granular and gray.
Numerous microsclerotia produce the 'charcoal-like' appearance charcoal rot.
Pith of affected plants appears gray because of numerous tiny black microsclerotia.
Charcoal rot may occur when conditions are hot and dry.
Pith disintegration and microsclerotia characteristic of charcoal rot.
Gallery Images: G. Munkvold
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