alexa Micropropagation of Rhinocanthus nasuta (L) Kurz.An Imp
ISSN: 2320-0189

Research & Reviews: Journal of Botanical Sciences
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Research Article

Micropropagation of Rhinocanthus nasuta (L) Kurz.An Important Medicinal Plant.

Nantha Kumar R, CM Ganesan, and S Paulsamy*

PG and Research Department of Botany, Kongunadu Arts and Science College, Coimbatore 641 029, India.

*Corresponding Author:
S Paulsamy
PG and Research Department of Botany, Kongunadu Arts and Science College, Coimbatore 641 029, India
Email: [email protected]

Received date: 27 August 2012 Accepted date: 10 October 2012

 

Abstract

A rapid micropropagation protocol by using leaf, node and intermodal explants for callus induction, organogensis and successful plantlet survivability through hardening was established for Rhinocanthus nasuta, (L.), Kurz., an important medicinal plant species which is having antitumor, antidiabetic and hepatoprotective properties. It was observed that among the three explants attempted, the leaf part responded well for callus formation. Therefore, further studies on organogenesis and hardening were carried out by using leaf derived calli. The study revealed that the MS medium containing the growth hormones, like 2,4-D and TDZ at 0.1mg/Land 0.5mg/L respectively was found to be optimum for high degree of callus induction. Rapid proliferation of shoots (15.33/callus) was achieved by subculturing the in vitro leaf derived callus onto the MS medium supplemented with BAP, IAA and Kn each at 0.5mg/l. Higher number of roots (12.66 roots/ shoot) was produced in MS medium containing BAP and IAA each at 0.5mg/l while sub culturing. The in vitro regenerated plantlets were successfully acclimatized (90% of survivability rate) in the hardening medium encomposing garden soil, farmyard manure and sand in the ratio of 2:1:1 by volume.

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