Dr. Jay W. Pscheidt received his Ph.D. in plant pathology from the University of Wisconsin-Madison in 1985. Since 1988 he has been a professor at Oregon State University as an extension plant pathology specialist. His principal duties are to lead a statewide extension program related to the diagnosis and management of diseases of all fruit, nut and ornamental/nursery crops. He is also co-editor of regional publication The Pacific Northwest Plant Disease Management Handbook.