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1 July 2005 IN VITRO REGENERATION AND PLANT ESTABLISHMENT OF TYLOPHORA INDICA (BURM. F.) MERRILL: PETIOLE CALLUS CULTURE
M. FAISAL, S. SINGH, M. ANIS
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Abstract

A protocol has been developed for high-frequency shoot regeneration and plant establishment of Tylophora indica from petiole-derived callus. Optimal callus was developed from petiole explants on Murashige and Skoog basal medium supplemented with 10 μM 2,4-dichlorophenoxyacetic acid 2.5 μM thidiazuron (TDZ). Adventitious shoot induction was achieved from the surface of the callus after transferring onto shoot induction medium. The highest rate (90%) of shoot multiplication was achieved on MS medium containing 2.5 μM TDZ. Individual elongated shoots were rooted best on half-strength MS medium containing 0.5 μM indole-3-butyric acid (IBA). When the basal cut ends of the in vitro-regenerated shoots were dipped in 150 μM IBA for 30 min followed by transplantation in plastic pots containing sterile vermiculite, a mean of 4.1 roots per shoot developed. The in vitro-raised plantlets with well-developed shoot and roots were successfully established in earthen pots containing garden soil and grown in a greenhouse with 100% survival. Four months after transfer to pots, the performance of in vitro-propagated plants of T. indica was evaluated on the basis of selected physiological parameters and compared with ex vitro plants of the same age.

M. FAISAL, S. SINGH, and M. ANIS "IN VITRO REGENERATION AND PLANT ESTABLISHMENT OF TYLOPHORA INDICA (BURM. F.) MERRILL: PETIOLE CALLUS CULTURE," In Vitro Cellular and Developmental Biology - Plant 41(4), 511-515, (1 July 2005). https://doi.org/10.1079/IVP2005674
Received: 5 October 2004; Accepted: 1 April 2005; Published: 1 July 2005
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KEYWORDS
callus culture
ex-vitro rooting
petiole explants
photosynthesis
Tylophora indica
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