Sorghum Downy Mildew in Kansas in 1979. Thomas Sim IV, Survey Plant Pathologist, Division of Entomology, Kansas State Board of Agriculture, Topeka 66612. Plant Dis. 64:499. Copyright 1980 American Phytopathological Society. DOI: 10.1094/PD-64-499.

Sorghum downy mildew caused by Peronosclerospora sorghi was first reported in two Kansas counties in 1967. It was found in six more counties during the next 10 yr, then in six more in 1978 and 14 more in 1979.