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    Home > Biochemistry News > Plant Extracts News > Micropropagation of Prunus Species Relevant to Cherry Fruit Production

    Micropropagation of Prunus Species Relevant to Cherry Fruit Production

    • Last Update: 2021-01-16
    • Source: Internet
    • Author: User
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    Cherry tree micropropagation is limited to the production of healthy cultivars of
    Prunus avium
    and
    Prunus cerasus
    , and their rootstocks; mainly the dwarfing ones. By using meristem-tip (0.1 mm long) or healthy shoot tips/nodes, four successive steps are needed to obtain whole plants capable of growing in the nursery: multiplication by axillary branching, shoot elongation, rooting, and plantlet acclimation. Along this process, several parameters have to be adjusted for each phase of the culture, including media composition, environmental culture conditions and plant handling. These parameters vary depending on genotypic response and specific vulnerability to physiological disorders such as hyperhydricity, apex necrosis, unstable propagation, and rooting rates. Based on a 40 year-long experience of study and application of culture conditions to large-scale plant production, this document summarizes the main problems (variability of the propagation rate, hyperhydricity, apex necrosis, plant re-growth) and solutions encountered to solve them, with means validated on many mericlones.
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