Abstract
A virus causing chlorosis and vein-clearing symptoms in Diodia virginiana from Arkansas was identified. The virus, designated as Diodia vein chlorosis virus (DVCV), was transmitted by the bandedwinged white-fly, Trialeurodes abutilonea, and by grafting but not by sap inoculation. T. abutilonea has not been reported to be a vector of plant viruses. Attempts to purify the virus resulted in low yields of fragmented flexuous rods approximately 12 nm in diameter. D. virginiana is the only known host plant for this virus. Ultrastructural studies of diseased leaves revealed the consistent presence of cytopathic effects characteristic of closterovirus infections (...)
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