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Comparative Properties of Necrotic Ringspot Virus from Peach and Cherry. R. F. Bozarth, Associate Virologist, Boyce Thompson Institute for Plant Research, Inc., Yonkers, New York 10701; Phytopathology 61:532-537. Accepted for publication 1 December 1970. DOI: 10.1094/Phyto-61-532.

Peach and cherry isolates of the necrotic ringspot virus have similar herbaceous host ranges, component types, sedimentation coefficients, buoyant densities in CsCl, and particle diameters. The peach isolate reacted with antisera of the cherry isolate. The data support the conclusion that the ringspot diseases of peach and cherry are caused by closely related strains.

Additional keywords: biophysical properties, component virus, serology.