abstract beet soilborne virus (bsbv) is a member of the genus pomovirus, with rod shaped particles and three plus single - stranded of rna. bsbv is morphologically similar to beet necrotic yellow vein virus (bnyvv) and both are transmitted by the soilborne fungus, polymyxa betae keskin that survives in soil for many years. host range of bsbv is limited to the family of chenopodiaceae. in order ...