Abstract
Adventitious shoots were successfully regenerated from leaf explants of Gypsophila paniculata L. The efficiency of shoot regeneration for cv. Arbel was tested on 18 media based on Murashige and Skoog basal medium containing different concentrations of thidiazuron or 6-benzylaminopurine in combination with naphthaleneacetic acid. Both explant age and that of the cuttings used as leaf donors affected the regeneration efficiency. The highest efficiency of adventitious shoot regeneration was obtained with the oldest leaves originating from the youngest cutting analyzed; on thidiazuron-containing medium, shoots regenerated on average from 67% of the leaves, with an average of seven shoots per explant. This regeneration procedure was suitable for all six commercial cultivars studied. Regenerated shoots elongated, rooted and successfully acclimatized to the greenhouse where they were grown to flowering.
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