In vitro multiplication of the endangered plant species, Exacum bicolor Roxb

  • Jeeshna MV Department of Botany, Sree Narayana College, Thottada (PO), Kannur, Kerala, India-670 007
Keywords: Micropropagation, Exacum bicolor, Shoot proliferation, in vitro shoots

Abstract

To conserve endangered medicinal plant species, Exacum bicolor Roxb. (Gentianaceae), an efficient micropropagation protocol was developed by using nodal segments for axillary shoot proliferation. Higher multiplication rate was achieved with 78% on MS medium supplemented with growth hormones, IBA and GA3 at 1.5 mg/l and 0.5 mg/l respectively. Rooting was more effective with 75% of the node derived in vitro shoots in MS basal medium with the auxins, IBA and NAA at 1.0 mg/l and 0.5 mg/l respectively. Using the hardening medium containing garden soil, sand and vermiculate in the ratio of 1:1:1 by volume, regenerated plantlets could be successfully acclimatized at a rate of 80 % survivability.

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Published
2016-07-04
How to Cite
MV, J. (2016). In vitro multiplication of the endangered plant species, Exacum bicolor Roxb. Journal of Research in Biology, 6(5), 2054-2061. Retrieved from https://ojs.jresearchbiology.com/ojs1/index.php/jrb/article/view/422