Somatic embryogenesis and plant regeneration in tissue cultures of radish (Raphanus sativus L.).

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Title
Somatic embryogenesis and plant regeneration in tissue cultures of radish (Raphanus sativus L.).
Author(s)
Won Joong ChungSung Rsn Min; Jang Ryol Liu
Bibliographic Citation
Plant Cell Reports, vol. 14, pp. 648-651
Publication Year
1995
Abstract
Hypocotyl segments of 2- to 3-week-old radish (Raphanus sativus L. cv. F1 Handsome Fall) seedlings produced yellowish compact calli when cultured on Murashige and Skoog's (MS) medium supplemented with 1 mgl(-1) 2,4-dichlorophenoxyacetic acid (2,4-D). Upon transfer onto medium containing 6-benzyladenine and α-naphthaleneacetic acid, up to 5.3% of the calli gave rise to a few somatic embryos. When subcultured for 3 to 6 months, 7% of the yellowish, compact calli produced white, compact calli which formed numerous embryos. These calli maintained their embryogenic capacity for over 18 months. When cultured on medium containing 0.1 to 3 mgl(-1) 2,4-D, up to 90% of longitudinally sliced somatic embryo halves produced calli with numerous secondary embryos. Embryos were transferred onto medium containing 0.1 mgl(-1) 2,4-D and 1 mgl(-1) abscisic acid where they developed into the cotyledonary stage. Upon transfer onto half-strength MS basal medium, approximately 90% of the embryos developed into plantlets. These plantlets were successfully transplanted in potting soil and after cold treatment they were grown to maturity in a phytotron.
Keyword
raphanus sativus
ISSN
0721-7714
Publisher
Springer
DOI
http://dx.doi.org/10.1007/BF00232731
Type
Article
Appears in Collections:
Synthetic Biology and Bioengineering Research Institute > Cell Factory Research Center > 1. Journal Articles
Division of Research on National Challenges > Plant Systems Engineering Research > 1. Journal Articles
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