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. 2010 Nov 30;16(3):249–257. doi: 10.1007/s12298-010-0026-6

In vitro propagation of an endangered medicinal herb Chlorophytum borivilianum Sant. et Fernand. through somatic embryogenesis

Mohd Zahid Rizvi 1,✉, Arun Kumar Kukreja 1, Narendra Singh Bisht 2
PMCID: PMC3550677  PMID: 23572975

Abstract

Tuberous roots of Chlorophytum borivilianum Sant. et Fernand. which are a source of steroidal saponins, possess immunomodulatory, adaptogenic, aphrodisiac, antipyretic, diuretic, hemostatic and anti-tumour properties. Poor seed setting and germination and slow growth in conventional vegetative propagation are major constraints in the large-scale cultivation of this commercially important medicinal plant. In the present study, a procedure for in vitro propagation of this endangered herb through somatic embryogenesis has been established. Seeds of Chlorophytum borivilianum were germinated on MS medium supplemented with 57.74 μM gibberellic acid and hypocotyl portion from germinated seedling was used as explant for callus induction. Moderate to good callus induction was observed on MS medium containing 1.16 μM kinetin and 1.13–2.26 μM 2,4-dichlorophenoxyacetic acid. Regular subculturing of callus on kinetin (1.16 μM) and 2,4-dichlorophenoxyacetic acid (1.13 μM) supplemented medium induced somatic embryogenesis. In modified MS medium, 1.79 mM NH4NO3 and 10.72 mM KNO3 was optimal for somatic embryogenesis. 7.38 μM 2-isopentenyladenine supplemented to modified MS medium, showed best response for somatic embryogenesis while proline (0.76 mM) as an amino acid supplement gave better response than glutamine. 30% germination of mature somatic embryos was achieved on MS medium supplemented with 15.54 μM 6-benzylaminopurine. Multiplication of C. borivilianum through somatic embryogenesis may offer a better approach compared to organogenesis for developing scale-up technology employing bioreactors for its mass propagation.

Keywords: Liliaceae, Safed musli, Saponins, Somatic embryogenesis, Proline

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Acknowledgements

We are thankful to Director, Central Institute of Medicinal and Aromatic Plants for providing necessary facilities during the work period. Grant of Senior Research Fellowship to M. Z. Rizvi by Council of Scientific and Industrial Research, New Delhi is duly acknowledged.

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