Abstract
This paper describes multiple shoot regeneration from leaf and nodal segments of a medicinally important herb Centella asiatica L. on Murashige and Skoog’s (MS) medium supplemented with a range of growth regulators. The highest number of multiple shoots was observed on MS augmented with 3.0 mg dm−3 N6-benzylaminopurine (BAP) and 0.05 mg dm−3 α-naphthaleneacetic acid (NAA). Leaf explant showed maximum percentage of cultures regenerating shoots (81.6 %), with the highest shoot number (8.3 shoots per explant) and the shoot length (2.1 cm) whereas, nodal explant showed less number of shoots with callus formation at the base cut end. Successive shoot cultures were established by repeatedly sub-culturing the original explant on a fresh medium. Rooting of in vitro raised shoots was best induced on half strength MS supplemented with 0.5 mg dm−3 indole-3-butyric acid (IBA) with highest percentage of shoot regenerating roots (76.8 %) with 3–4 roots per shoot. Plantlets were acclimated in Vermi-compost and eventually established in soil. Contents of chlorophyll, total sugars, reducing sugars and proteins were estimated in leaf tissue from both in vivo and in vitro raised plants. Chlorophyll content was higher in in vivo plants, whereas other three components were higher in in vitro plants.
Abbreviations
- BAP:
-
N6-benzylaminopurine
- B5 medium:
-
Gamborg et al. (1968) medium
- IBA:
-
indole-3-butyric acid
- MS medium:
-
Murashige and Skoog (1962) medium
- NAA:
-
α-naphthaleneacetic acid
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Mohapatra, H., Barik, D.P. & Rath, S.P. In vitro regeneration of medicinal plant Centella asiatica . Biol Plant 52, 339–342 (2008). https://doi.org/10.1007/s10535-008-0069-5
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DOI: https://doi.org/10.1007/s10535-008-0069-5