Gray leaf spot is arguably the most important yield limiting disease of corn worldwide, and it is a serious threat to production in the U.S. Corn Belt. To help growers, crop consultants and Extension educators to improve their knowledge and understanding of this important foliar disease, Alison Robertson, assistant professor of Plant Pathology at Iowa State University, produced a webcast presentation on gray leaf spot.
This webcast, published in the Plant Management Network's Focus on Corn resource, reviews characteristic symptoms of gray leaf spot, discusses the disease cycle and conditions that favor infection, and covers management options. The research in this presentation was funded through a USDA-NIFA grant on corn diseases.
Other Focus on Corn presentations can be viewed at www.plantmanagementnetwork.org/foc. Focus on Corn is a publication of the Plant Management Network, a nonprofit online publisher whose mission is to enhance the health, management, and production of agricultural and horticultural crops. It achieves this mission through applied, science-based resources. PMN is jointly managed by the American Society of Agronomy, American Phytopathological Society, and Crop Science Society of America.
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