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    Home > Biochemistry News > Plant Extracts News > Micropropagation of Helleborus through Axillary Budding

    Micropropagation of Helleborus through Axillary Budding

    • Last Update: 2021-01-18
    • Source: Internet
    • Author: User
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    Helleborus
    genus, belonging to the
    Ranunculaceae
    family, has 20 species of herbaceous perennial flowering plants. The commercial exploitation of this plant is dependent on the selection and propagation of appropriate lines. High propagation rate could be accomplished by using a suitable tissue culture method enabling the rapid introduction of valuable selections in the market. However, in vitro cultivation of
    Helleborus
    is still very difficult. Thereby the development of reliable in vitro propagation procedures is crucial for future production systems. Axillary buds cultured on agar-solidified Murashige and Skoog medium supplemented with 1 mg/L benzyladenine, 0.1 mg/L β-naphthoxyacetic acid, and 2 mg/L isopentenyl adenine develop shoots after 16 weeks of culture under 16 h light regime, 50–60 μmol/s/m
    2
    , and 19 � 1�C. The multiplication rate ranges from 1.4 to 2.1. However, the genotype and the number of subcultures affect the efficiency of the micropropagation process. The rooting of shoots is about 80% in solidified MS medium containing 1 mg/L 1-naphthaleneacetic acid and 3 mg/L indole-3-butyric acid. The described protocol provides information which can contribute to the commercial production of
    Helleborus
    plants.
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