Biologia plantarum 56:177-180, 2012 | DOI: 10.1007/s10535-012-0038-x

Synergistic effect of trimethoprim and bavistin for micropropagation of Bacopa monniera

K. N. Tiwari1,*, V. Tiwari2, J. Singh1, B. D. Singh3, P. Ahuja3
1 Department of Botany, Mahila Mahavidyalaya, Banaras Hindu University, Varanasi, India
2 Department of Basic Medical Sciences, College of Osteopathic Medicine of The Pacific, Western University of Health Sciences, Pomona, USA
3 School of Biotechnology, Faculty of Science, Banaras Hindu University, Varanasi, India

A micropropagation protocol for Bacopa monniera (L.) Wettst., a medicinally important plant, has been developed. Direct organogenesis without callus formation was induced by culturing node, internode and leaf explants on growth regulator free Murashige and Skoog (MS) medium. MS medium supplemented with an antibiotic trimethoprim (TMP) and a fungicide bavistin (BVN) produced axillary shoots from node and adventitious shoot buds on the surface of all explants. The combination of 200 mg dm-3 TMP and 200 mg dm-3 BVN induced the optimum frequency of shoot formation as well as shoot number. Presence of both TMP and BVN induced multiple axillary shoot formation from the nodal segments and this ability was maintained for four subcultures.

Keywords: adventitious shoot bud; axillary shoot
Subjects: adventitious shoot bud; axillary shoot; trimethoprim; bavistin; in vitro culture; benzyladenine; indoleacetic acid; indolebutyric acid
Species: Bacopa monniera

Received: October 13, 2009; Accepted: March 7, 2011; Published: March 1, 2012Show citation

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Tiwari, K.N., Tiwari, V., Singh, J., Singh, B.D., & Ahuja, P. (2012). Synergistic effect of trimethoprim and bavistin for micropropagation of Bacopa monniera. Biologia plantarum56(1), 177-180. doi: 10.1007/s10535-012-0038-x.
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