Diagnostic of 12 viral pathogens stone fruit crops, including new to the certification scheme ( Carnation ringspot tombusvirus (CRSV), Myrobalan latent nepovirus (MLRSV), Petunia asteroid mosaic (PeAMV) , Tobacco (TRSV )) by immune-enzyme analysis was carried out in Institute for growing 2020 – 2021. Virus-free clones varieties and rootstocks forms crops have been identified create Nuclear stoc...