Analysis of Double-Stranded RNA for Plant Virus Diagnosis. R. A. VALYERDE, Department of Plant Pathology and Crop Physiology, Louisiana State University Agricultural Center, Baton Rouge; S. T. NAMETA, Department of Plant Pathology, Ohio Agricultural Research and Development Center, Columbus; and R. L. JORDAN, Florist and Nursery Crops Laboratory, USDA-ARS, Beltsville, MD. Plant Dis. 74:255. Copyright 1990 The American Phytopathological Society. DOI: 10.1094/PD-74-0255.