Development and Preliminary Testing of EPINFORM, an Expert System for Predicting Wheat Disease Epidemics. James Caristi, Visiting Scientist, Albert L. Scharen, Research Leader, U. S. Department of Agriculture, Agricultural Research Service, Eugene L. Sharp, Professor, and David C. Sands, Associate Professor, Department of Plant Pathology, Montana State University, Bozeman 59717-0002. Plant Dis. 71:1147. Copyright 1987 American Phytopathological Society. DOI: 10.1094/PD-71-1147.