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Properties of the Nigerian and Ivory Coast Strains of the Okra Mosaic Virus. R. F. Bozarth, Boyce Thompson Institute, Yonkers, NY 10701, Present address: Life Science Department, Indiana State University, Terre Haute, IN 47809; A. O. Lana(2), R. Koenig(3), and J. Reese(4). (2)Department of Agricultural Biology, University of Ibadan, Ibadan, Nigeria; (3)Institüt für Virusserologie der Biologischen Bundesanstalt, D33 Braunschweig, Messeweg 11, West Germany; (4)Boyce Thompson Institute, Yonkers, NY 10701, Present address: The Kitchawan Research Laboratory of The Brooklyn Botanical Gardens, 712 Kitchawan Rd., Ossining, NY 10562. Phytopathology 67:735-737. Accepted for publication 16 December 1976. Copyright © 1977 The American Phytopathological Society, 3340 Pilot Knob Road, St. Paul, MN 55121. All rights reserved.. DOI: 10.1094/Phyto-67-735.

Okra viruses from Ivory Coast and Nigeria have virtually identical biophysical properties and are closely related serologically. On the basis of spur formations in cross-serological tests, cross-serological reaction with other viruses of the tymovirus group, and differential host susceptibility, they are considered to be related, but distinct, strains of the same virus.

Additional keywords: buoyant density, turnip yellow mosaic virus, cocoa yellow mosaic virus, Clitoria yellow vein virus, Kennedia yellow mottle virus, Desmodium yellow mottle virus, eggplant mosaic virus.