SURVEY ON VIRUS DISEASES OF BULBOUS FLOWERS IN HUNGARY

More than 400 tulip plants belonging to 95 cultivars and 6 species showing typical symptoms of viral infections were examined. In the samples tulip breaking virus (TBV), tobacco rattle virus (TRV), tobacco necrosis virus (TNV) and cucumber mosaic virus (CMV) were identified. These viruses were frequently fiund in complex infections. Freesia leaves, corms and flowers with virus symptoms originated from growers and flower markets were surveyed too. In 140 samples freesia mosaic virus (FMV), bean yellow mosaic virus (ByMV), cucumber mosaic virus (CMV) and tobacco rattle virus (TRV) were observed. FMV in double infection with ByMV is common. This is the first report of FMV, ByMV, CMV and TRV in freesia in Hungary.