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Brome Mosaic Virus Isolates Naturally Infecting Commelina diffusa and C. communis. R. A. Valverde, Department of Plant Pathology, University of Arkansas, Fayetteville 72701. Plant Dis. 67:1194-1196. Accepted for publication 23 May 1983. Copyright 1983 American Phytopathological Society. DOI: 10.1094/PD-67-1194.

Brome mosaic virus (BMV) was isolated from Commelina communis, C. diffusa, and five Gramineae species growing in a lawn. Three isolates, designated BMV-1, BMV-2, and BMV-3, were readily distinguished by their reaction in Datura stramonium. The isolates were serologically identical to each other and to the type isolate. The chrysomelid beetle Lema sexpunctata transmitted BMV-1 to C. communis.