Southern rust appears early in Iowa corn fields
Author
Published
8/4/2025
Iowa farmers are reporting cases of Southern rust in their cornfields earlier than usual this year, likely due to weather conditions that have favored the disease’s development — including a wet and warm summer so far.
Alison Robertson, professor of plant pathology and microbiology at Iowa State University and Extension field crops pathologist, said the corn leaf disease was discovered across the state...
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