Description
Broad bean stain virus (BBSV) is a plant pathogenic virus of the family Comoviridae. A virus with angular isometric RNA-containing particles, about 25 nm in diameter, which sediment as three components when centrifuged. It is readily transmitted by inoculation of sap and is seed-borne, but no specific vector has been found. It seems to infect only legumes, and occurs in Europe and North Africa. Infects broad bean plants (Vicia faba) causing chlorotic mottling and mosaic of the leaves, and necrotic staining of the seed testa