Regeneration of Plantlets via Direct Somatic Embryogenesis from Different Explants of Murraya koenigii. (L.) Spreng
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064


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Research Paper | Biology | India | Volume 4 Issue 11, November 2015

Regeneration of Plantlets via Direct Somatic Embryogenesis from Different Explants of Murraya koenigii. (L.) Spreng

Nisha Khatik, Ramesh Joshi

An in vitro plant regeneration system was developed via direct somatic embryogenesis from different seedling explants of an important medicinal plant Murraya koenigii (L.) Spreng Cotyledons (COT), Hypocotyl (HYP) (10 to 15 mm) and Root (RT) segments (10 to 20 mm) were excised from 60 days old seedling as explants. The somatic embryos induction was achieved on Murashige and Skoog (MS) basal medium augmented with different concentrations of 6-benzyleaminopurine (BAP) 1.33 to 8.40 M and thidiazuron (TDZ) 1.08 to 9.82 M. The globular embryos originated from cut ends and entire surface of the root, hypocotyl explants and margins of cotyledons within 30-40 days. The percentage of somatic embryos induction per explant was significantly higher in HYP explants (94.215.77 %) in the MS basal medium supplemented with 6.20 M BAP and 8.64 M TDZ. The highest rate of conversion of torpedo, heart and cotyledonary stages from globular stage was obtained in MS medium supplemented with 8.64 M TDZ. The matured somatic embryos were transferred to the MS basal medium without Plant Growth Regulators (PGRs). Highest 88 % of the matured embryos were germinated on transfer to MS basal medium without PGR, where they grew for a further 3-4 weeks. Out of seventy six hardened plants seventy (92 %) plantlets were found healthy under field conditions.

Keywords: Murraya koenigii, Somatic embryogenesis, Thidiazuron, Rutaceae

Edition: Volume 4 Issue 11, November 2015

Pages: 2404 - 2408

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Nisha Khatik, Ramesh Joshi, "Regeneration of Plantlets via Direct Somatic Embryogenesis from Different Explants of Murraya koenigii. (L.) Spreng", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=NOV151774, Volume 4 Issue 11, November 2015, 2404 - 2408

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