%0 Journal Article %T A full-length infectious clone of beet soil-borne virus indicates the dispensability of the RNA-2 for virus survival in planta and symptom expression on Chenopodium quinoa leaves %A Francois Crutzen %A Mehrvar, Mohsen %A David Gilmer %A Claude Bragard %J Journal of General Virology %@ 0022-1317 %D 2009