Not surprisingly, the hot dry conditions we have been experiencing across the Corn Belt have many farmers and the grain industry concerned about aflatoxin, a potent mycotoxin that is produced by the fungal pathogen, Aspergillus flavus, which causes Aspergillus ear rot.

This article will briefly summarize the biology of Aspergillus ear rot, aflatoxin production and management recommendations for the next few weeks of this growing season.