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Conservation of an endangered medicinal plant Centella asiatica through Plant Tissue culture

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Author(s): T. Bangaru Naidu1, S. Nageswara Rao1, N. Sarada Mani1*

Journal: Drug Invention Today
ISSN 0975-7619

Volume: 2;
Issue: 1;
Start page: 17;
Date: 2010;
Original page

Keywords: Endangered plant | medicinal | callus induction | shoots | Plantlet regeneration.

ABSTRACT
Centella asiatica is an endemic herbaceous plant with great medicinal value. Medicinal properties of the plant has led to it’s over exploitation coupled with inadequate cultivation and unsatisfactory attempts for its replacement, the wild stock of this species has been markedly exhausted and now it is listed as threatened species. Hence, there is an urgent necessitate to safeguard this precious germplasm. Plant tissue culture has proved to be helpful in conserving threatened plant species. In this direction, in the present study, an efficient protocol was developed for callus induction and plantlet regeneration from nodal explants of Centella asiatica. Well-organized plant regeneration was achieved on MS medium containing different concentrations and combinations of growth regulators. MS medium supplemented with 4 mg/l and NAA in combination with 2 mg/l 2, 4-D proved effective for callus induction, with this combination we achieved a frequency of 92% and BAP 1.5 mg/l and KN 1.5 mg/l was effective for regeneration response.
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