Visual Reference Library - Corn

Image of CORN COB ROT DAMAGE
Cob rot is a distinct discoloration or rotting caused by a fungus that attacks ears of weakened plants. Since the damage is distinct, it is unnecessary to open the kernel for examination.
 A. Minimum area of coverage and degree of discoloration necessary to be considered DISTINCTLY DISCOLORED corn.
 B. Minimum area of coverage and degree of discoloration necessary to be considered ROTTED corn.
 NOTE: If kernels do not meet the interpretation, it may be necessary to open the kernels to determine if the kernels are otherwise damaged.

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Last updated December 2016