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Peach Rosette Mosaic Virus in Highbush Blueberry. Donald C. Ramsdell, Professor of Plant Pathology, Department of Botany and Plant Pathology, Michigan State University, East Lansing 48824. J. M. Gillett, Research Technician, Department of Botany and Plant Pathology, Michigan State University, East Lansing 48824. Plant Dis. 65:757-758. Accepted for publication 20 June 1981. Copyright 1981 American Phytopathological Society. DOI: 10.1094/PD-65-757.

Jersey and Berkley highbush blueberry cultivars that had been planted as rooted cuttings in 1975 beneath a canopy of Concord grapevines infected with peach rosette mosaic virus were indexed positive for the virus on Chenopodium quinoa in 1978. Two years later, symptoms appeared on Jersey bushes as elongated, strap-shaped or as malformed, crescent-shaped leaves on portions of the bushes; on Berkley bushes, several of the terminal leaves were spoon shaped.