Diplodia Ear Rot

Stenocarpella maydis

Ear of corn infected with Diplodia Ear Rot
Ear of corn infected with Diplodia Ear Rot. Photo courtesy of Clemson University. Licensed under CC BY 3.0.
Diplodia ear rot is caused by a fungus that also infects stalks.
Diplodia ear rot is grey or white in color. It typically begins at the base and works towards the tip.