Wheat Management Systems in the Pacific Northwest. R. James Cook, Research plant pathologist, USDA-ARS, Washington State University, Pullman. Plant Dis. 70:894. This article is in the public domain and not copyrightable. It may be freely reprinted with customary crediting of the source. The American Phytopathological Society, 1986. DOI: 10.1094/PD-70-894.