The investigation was carried out during 2004 - 2006 and aimed to find the distribution of economic important viruses in peach in Sliven fruit growing region of Bulgaria. The data obtained from serological tests showed that Plum pox virus (PPV) was identified in the highest infection level (40 %), followed by Prunus necrotic ring spot virus ( 33 %) and Apple chlorotic leaf spot virus ( 25 %). In the lowest rate of infection ( 8%) was detected Prune dwarf virus. The viruses studied were diagnosed in single as well as mix contamination. [BG].
Virological investigations on peach (Prunus Persica Batsch.) in the district of Sliven