CEPHLOSS: A Computer Program to Help the Small Grain Producer in Montana. R. H. Johnston, Research Associate, Department of Plant Pathology, Montana State University, Bozeman 59717. D. E. Mathre, Professor, Department of Plant Pathology, Montana State University, Bozeman 59717. Plant Dis. 69:543. Copyright 1985 The American Phytopathological Society. DOI: 10.1094/PD-69-543.