
Warm, wet September weather has raised concerns about corn grain quality in Nebraska and the Midwest as harvest gets underway. Vivipary (kernel sprouting) and ear rot diseases are already appearing in parts of Nebraska, including Cass County, with several ear rot types identified.
Ear rot and sprouting can lower grain quality and may introduce mycotoxins, which can reduce the value of corn used in feed rations and push buyers toward cleaner origins or discounted lots.
After 1,469 past bullish weather events, Corn moved a median +0.3% over 5 sessions (54% higher; middle half -1.4% to +1.8%), and +0.9% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.