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Properties of a Cucumber Mosaic Virus Strain Naturally Infecting Chrysanthemum in India. K. M. Srivastava, Plant Virus Laboratory, National Botanical Research Institute, Lucknow 226 001, India. S. K. Raj, and B. P. Singh. Plant Virus Laboratory, National Botanical Research Institute, Lucknow 226 001, India. Plant Dis. 76:474-477. Accepted for publication 9 May 1991. Copyright 1992 The American Phytopathological Society. DOI: 10.1094/PD-76-0474.

Diffused chlorosis, chlorotic dots near veins, and stunting plants were observed in Chrysanthemum morifolium. A virus isolate was purified and characterized as chrysanthemum strain of cucumber mosaic virus (CMV-CI), based on host reaction, in vitro properties, particle morphology (29 nm), molecular weight of coat protein subunit (24.5 kDa), nucleic acid (five RNA species), and serological relationships with other cucumoviruses.