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- Publisher
- Springer Journals
- Copyright
- Copyright © 2004 by Kluwer Academic Publishers
- Subject
- Life Sciences; Plant Sciences; Plant Physiology
- ISSN
- 0167-6857
- eISSN
- 1573-5044
- DOI
- 10.1023/B:TICU.0000007254.51387.7f
- Publisher site
- See Article on Publisher Site
Abstract
Culture conditions for plant regeneration in immature zygotic embryo-derived embryogenic cell suspension cultures of Catharanthus roseus (Madagascar periwinkle) ‘Little Bright Eye’ are described. Immature zygotic embryos formed off-white, friable calluses at a frequency of 20% on Murashige and Skoog (MS) medium supplemented with 4.52 µM 2,4-dichlorophenoxyacetic acid (2,4-D) after 8 weeks of culture. After a second subculture using MS basal medium at 4-week intervals, off-white friable calluses formed a small quantity of yellowish, compact embryogenic calluses. Upon transfer to MS basal medium, embryogenic calluses gave rise to numerous somatic embryos. Cell suspension cultures were established with embryogenic calluses using liquid MS medium supplemented with 4.52 µM 2,4-D. Embryogenic cell clumps from cell suspension cultures developed into plantlets at a frequency of 56.7% when plated onto MS basal medium. Plantlets were transplanted to potting soil and grown to maturity in a growth chamber.
Journal
Plant Cell, Tissue and Organ Culture – Springer Journals
Published: Oct 4, 2004