Gibberella Ear Rot of Corn

Gibberella ear rot, a pink-colored mold that usually begins at the tip of the ear, can occur throughout North America, but especially thrives in northern corn growing areas where summer conditions are relatively cool and wet. Mycotoxin contamination of grain may or may not accompany Gibberella ear rot symptoms. To guard against possible mycotoxins, growers should strive to limit infection of corn ears by the Gibberella fungus. This article will describe Gibberella ear rot development, disease symptoms, associated mycotoxins, and management practices to help control the disease in the field and grain bin.

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