Wheat Streak Mosaic Virus in Wild Rice. P. H. Berger, Research Technician, Department of Plant Sciences, Texas A&M University, College Station 77843. J. A. Percich, Assistant Professor, Department of Plant Pathology, University of Minnesota, St. Paul 55108; and J. K. Ransom, Research Assistant, Department of Agronomy and Plant Genetics, University of Minnesota, St. Paul. Plant Dis. 65:695-696. Accepted for publication 19 May 1981. Copyright 1981 American Phytopathological Society. DOI: 10.1094/PD-65-695.

Several wild rice plants (Zizania aquatica) in experimental paddies on the Minnesota Agricultural Experiment Station in St. Paul were observed to have streak symptoms, suggesting a viral infection. Electron microscopy, host range, and serology confirmed wheat streak mosaic virus as the causal agent.