As the 2023 season starts we are taking a closer look at three important fungal diseases that are found across broad geographic areas and have the potential to impact corn. Knowing about the diseases now will help when scouting and planning management strategies during the growing season.
Tar spot is now being reported reported all across the Corn Belt.
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Curvularia leaf spot is confirmed in states across the southern United States and is potentially in Midwestern states.
Increasing reports of crown rot across the Midwest, Mid-south and eastern Corn Belt have prompted increased research of the under-studied disease.
Authors are Kiersten Wise, University of Kentucky; Mandy Bish, University of Missouri; Daren Mueller, Iowa State University; Rodrigo Onofre, Kansas State University; Trey Price, Louisiana State University-AgCenter; Darcy Telenko, Purdue University; and Albert Tenuta, Ontario Ministry of Food, Agriculture and Rural Affairs. Reviewers are Travis Faske, University of Arkansas; and Andrew Friskop, North Dakota State University.
