ABSTRACT
This review is an attempt to synthesize almost 70 years investigations of Sharka disease in Bulgaria. The results obtained from first virus discovery, disease dissemination throughout stone fruit growing regions, present virus incidence on different Prunus species, natural hosts of the virus, virus detection, strain characterization, susceptibility of plum, peach and apricot cultivars to Sharka disease and virus control measures applied in the past and today are presented.