DIAGNOSTICS OF HOP CULTIVARS FOR THE PRESENCE OF VIRAL AND VIROID INFECTION
The article is devoted to the molecular and serological assessment of infection with 13 viruses and 1 viroid of 6 hop cultivars of foreign breeding, which are of commercial interest to the brewing industry. The overall infection rate was 72.5%, varying in individual genotypes from 16.6 to 100%. The most frequently diagnosed viruses were SLRSV and PVM. The frequencies of PNRSV and HpMV were 5.8 and 7.2%, respectively.