The citrus used in this research was derived from South Sumatera, fromKomering region. To irradiate both the pathogen and citrus was used UV-C lamp(20 Watt).The research was arranged in a Split Plot Design, the main plot was irradiation time for pathogen (before and after inoculation) and the sub plot was irradiation duration (2, 4, 6, and 8 hour). The treatment were replicated five times and e…