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• Results with the establishment of in vitro culture of Leucojum aestivum

  67-71.

  E. Kohut

  M. Ördögh

  E. Jámbor-Benczúr

  Á. Máthé

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  274

  Leucojum aestivum is a native, protected ornamental and medicinal plant in Hungary and in Ukraine too. The aim of our work was to establish in vitro cultures of this bulbous plant. Prior to surface sterilisation the old leaves and roots were dissected from the bulbs and they were stored in a refrigerator (2-3°C) for different periods (1 week for the first starting experiment and 5 weeks for the second one). After sterilisation, bulbs, bulb scales and leaves of the bulbs were placed on Murashige and Skoog's (1962) medium with 1 mg/1 benzyl-adenine (BA) and 0,1 mg/1 naphthalene acetic acid (NAA). At the first starting experiment 81,3%, and at the second one 92,3% of the explants turned to be sterile. Bulblets and roots were developed on the explants in the case of using bulb plates together with bulb scales and leaves as inoculua. The best result was achieved after 5 weeks chilling and it was possible to gain little bulbs from the bulb leaves too.