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Somatic embryogenesis and plant regeneration in garden leek

✍ Scribed by Wang Hong; Pierre Debergh


Publisher
Springer
Year
1995
Tongue
English
Weight
945 KB
Volume
43
Category
Article
ISSN
0167-6857

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✦ Synopsis


High frequency plant regeneration via somatic embryogenesis has been induced from in vitro shoot-base cultures of seedlings of garden leek (Allium porrum L.). Four main steps are involved in the procedure using BDS medium:

-shoot multiplication with 17.6 mM benzyladenine; -induction of nodular callus from the in vitro shoot base with 9 mM 2,4-dichlorophenoxyacetic acid; -initiation of embryogenic callus from nodular callus with 9 mM 2,4-dichlorophenoxyacetic acid + 7.6 mM abscisic acid; -plant regeneration from embryogenic callus with 9.8 mM N6-(2-isopentenyl)adenine. The presence of 2,4-dichlorophenoxyacetic acid in the medium and light conditions were shown to be essential for nodular callus induction and somatic embryogenesis. Abscisic acid was not a prerequiste for somatic embryogenesis, but it significantly increased the frequency.


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