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Serological Identity of Muskmelon Yellow Stunt and Zucchini Yellow Mosaic Viruses. H. Lecoq, Station de Pathologie Végétale INRA, 84140 Montfavet, France. V. Lisa and G. Dellavalle, Istituto di Fitovirologia Applicata CNR, 10135 Torino, Italy. Plant Dis. 67:824-825. Accepted for publication 14 March 1983. Copyright 1983 American Phytopathological Society. DOI: 10.1094/PD-67-824.

Two potyviruses infecting cucurbits, first isolated in southern France and northern Italy and described as muskmelon yellow stunt virus and zucchini yellow mosaic virus, respectively, have been compared serologically and found indistinguishable. In view of other similarities in host range, symptoms, aphid transmission, and particle morphology, the two are considered to be a single virus for which we propose retaining the name zucchini yellow mosaic virus.