Abstract
This report describes a protocol for the in vitro shoot induction and plant regeneration from epicotyl explants of Cassia angustifolia on Murashige and Skoog (MS) medium supplemented with 6-benzyladenine (BA), Kinetin and 2-iP (0.5–10.0 μM). MS medium supplemented with BA (5.0 μM) was the most effective in inducing adventitious shoots and growth. The highest rate of shoot multiplication was achieved on MS medium supplemented with BA (5.0 μM) and Indole-3-acetic acid (IAA, 1.0 μM). The nodal segments excised from the shoots regenerated from BA (5.0 μM) and IAA (1.0 μM) were used as explants for next three round of micropropagation. The number of shoots significantly increased at successive round of micropropagation. For rooting, MS medium supplemented with 2.0 μM indole-3-butyric acid proved to be better than that supplemented with IAA or α-naphthalene acetic acid. The in vitro raised plantlets with well developed shoot and roots were successfully established in earthen pots containing garden soil and were grown in greenhouse. About 52 plants (85 %) survived out of 60 plants transferred in garden soil.
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Abbreviations
- BA:
-
6-Benzyladenine
- Kin:
-
Kinetin
- 2-iP:
-
2-Isopentenyl adenine
- IAA:
-
Indole-3-acetic acid
- IBA:
-
Indole-3-butyric acid
- NAA:
-
α-Naphthalene acetic acid
- PGRs:
-
Plant growth regulators
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Acknowledgments
This research project was supported by a grant from the research centre of the centre for female scientific and medical colleges in King Saud University.
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Siddique, I., Javed, S.B., Al-Othman, M.R. et al. Stimulation of in vitro organogenesis from epicotyl explants and successive micropropagation round in Cassia angustifolia Vahl.: an important source of sennosides. Agroforest Syst 87, 583–590 (2013). https://doi.org/10.1007/s10457-012-9578-5
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DOI: https://doi.org/10.1007/s10457-012-9578-5