Aspergillus Ear RotCORN092.JPG

Aspergillus ear rot

Area of impact:  Ear

Description: Patches of green or yellow spores on or between kernels most commonly found at the tip of the ear. Spores can darken as the fungus ages.

Pathogen involved: Aspergillus flavus (a fungus)

Timing/Conditions: Occurs mid- to late season during hot dry weather

Contributing factors: Insect damage to ears and plant stress; Overwinters in plant debris and soil and is transmitted by insects or wind.

Management practices: Reduce plant stress through irrigation or tillage, control insects and adjust planting times.

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