Abstract
A rapid and highly-effective method for micropropagation from nodal segment and shoot tip explants was established for Coleus blumei Benth. Nodal segments and shoot tips were inoculated on MS medium containing 0.7 % agar, 3 % commercial sugar, and different combinations of 6-benzyladenine (BA) with indole-3-acetic acid (IAA), indole-3-butyric acid (IBA) or α-naphthaleneacetic acid (NAA). Hundred percent shoot induction from both explants was achieved on the medium containing BA (2 mg dm−3) and NAA (1 mg dm−3). Shoot tips were proved to be the better explant in comparison to nodal segments in having high rate of shoot induction and more number of shoots. The same media conditions were found suitable for shoot multiplication. Multiplied shoots rooted best on MS medium supplemented with IBA (2 mg dm−3). Micropropagated plants were successfully established in soil after hardening, with 100 % survival rate.
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Abbreviations
- BA:
-
6-benzyladenine
- IAA:
-
indole-3-acetic acid
- IBA:
-
indole-3-butyric acid
- NAA:
-
α-naphthaleneacetic acid
- MS medium:
-
Murashige and Skoog’s (1962) medium
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Rani, G., Talwar, D., Nagpal, A. et al. Micropropagation of Coleus blumei from nodal segments and shoot tips. Biol Plant 50, 496–500 (2006). https://doi.org/10.1007/s10535-006-0078-1
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DOI: https://doi.org/10.1007/s10535-006-0078-1