PUSLITBANG HORTIKULTURA   

Mini Rose, Cultivar of IOCRI

Mini rose (Rosa hibrida L.) representing one of decorative ornamental crops, that having beautiful and compact flowers. From its usefulness, mini rose can be utilizing as a decorative indoors plant. The advantage, the flower freshness will be prolonging, because this flower is placed with its growing medium. To increase genetic variability and to obtain new varieties of mini rose, an effort can be conducted through mutation induction using gamma-ray irradiation. From application of this method at invitro culture, have been resulted three mutants of mini roses that own colour and form flower differences from its original plant material resources. The mutants have been released as new varieties, named Rosmarun, Yulikara and Rosanda. The superiority of the varieties are the freshness of flower in pot and resistance to mites and to downy mildew.

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