The primary purpose of this study was to examine the effects virus infection in Phalaenopsis cultivated across country. RT-PCR analysis used detect two major viruses orchid: CymMV and ORSV. rate vitro plantlets from 45 cultivars 83.6%, potted plants 21 92.5%. For CymMV, single 34.3%, for ORSV, it 11.4%. In case plants, with 57.0%, ORSV alone not detected. double both viruses, accounted 37.9% 35...