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Identification and Comparison of Two Isolates of Tomato Bushy Stunt Virus from Pepper and Tomato in Morocco. H. U. Fischer, Laboratoire de Virologie, Direction de la Recherche Agronomique, Phytiatrie, Rabat, Morocco; B. E. L. Lockhart, Department of Plant Pathology, University of Minnesota, St. Paul/Laboratoire de Virologie, Institut Agronomique et Vétérinaire Hassan II, Rabat, Morocco. Phytopathology 67:1352-1355. Accepted for publication 12 May 1977. Copyright © 1977 The American Phytopathological Society, 3340 Pilot Knob Road, St. Paul, MN 55121. All rights reserved.. DOI: 10.1094/Phyto-67-1352.

Two variants of tomato bushy stunt virus (TBSV) were isolated from tomato (Lycopersicon esculentum) and pepper (Capsicum annuum), respectively, in different regions of Morocco. The tomato isolate was serologically identical to the type strain (American Type Culture Collection PV 90) whereas the pepper isolate could be clearly differentiated by test plant and serological reaction. This is apparently the first report of natural infection of pepper by TBSV.