Penicillium Ear RotCORN105.JPG

Penicillium ear rot

Area of impact: Ears

Description: Streaked or bleached kernels with powdery green or blue fungus growing between or on kernels usually at the tip of the ear. Can also infect kernels stored in high-moisture conditions. Discoloration of the embryo will be present.

Pathogen involved: Penicillium oxalicum (a fungus)

Timing/Conditions: Occurs late in the season on mechanically or insect injured ears.

Contributing factors: Can also cause damage in storage grain when kernel moisture reaches 18%.

Management practices: Prevent injury to ears.

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