Abstract
An investigation was carried out to develop an efficient micropropagation protocol for Catharanthus roseus. Experiments were conducted to optimize suitable media for in vitro shoot multiplication and root induction. Out of the different media compared for in vitro shoot multiplication, Murashige and Skoog (MS) medium supplemented with 1 mg/l of 6-benzylaminopurine and 0.2 mg/l α-naphthaleneacetic acid showed better response in terms of the emergence of shoots from axillary buds as well as proliferation and multiplication of shoots. The shoots when placed on half strength of MS medium having 1 mg/l indole 3-butyric acid and 0.25 % charcoal showed cent percent root induction with maximum number of roots per shoot (4.2) as well as maximum root length (1.72 cm). Further, clonal fidelity of the in vitro-raised plants was carried out using randomly amplified polymorphic DNA marker and results indicated that all the tissue culture-derived plants are true-to-type and there were no somaclonal variations among these plants.
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The authors gratefully acknowledge the Centre for Biological Sciences, Central University of Bihar, Patna, India for financial assistance.
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Kumar, A., Prakash, K., Sinha, R.K. et al. In Vitro Plant Propagation of Catharanthus roseus and Assessment of Genetic Fidelity of Micropropagated Plants by RAPD Marker Assay. Appl Biochem Biotechnol 169, 894–900 (2013). https://doi.org/10.1007/s12010-012-0010-4
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DOI: https://doi.org/10.1007/s12010-012-0010-4