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1 September 2005 IN VITRO PROPAGATION OF THE CHINESE MEDICINAL PLANT, DENDROBIUM CANDIDUM WALL. EX LINDL., FROM AXENIC NODAL SEGMENTS
YIH-JUH SHIAU, SATISH MANOHAR NALAWADE, CHI-NI HSIA, VANISREE MULABAGAL, HSIN-SHENG TSAY
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Abstract

Dendrobium candidum Wall. Ex Lindl. is an important species used in the formulation of Shih-hu, a Chinese traditional medicine. An efficient protocol for in vitro propagation of D. candidum using the axenic nodal segments of the shoots, originated from the in vitro germinated seedlings, was developed. The seeds from 120-d-old capsules after pollination were first germinated on half-strength Murashige and Skoog (MS) basal medium supplemented with 30 g l−1 sucrose. After 4 mo., the seedlings were subcultured on a similar medium supplemented with 1 ml l−1 HYPONeX, 80 g l−1 potato homogenate and 2 g l−1 activated charcoal for further growth. Axenic nodal segments excised from 9-mo.-old seedlings were cultured on the medium in the presence of 2 mg l−1 benzyladenine (BA) and 0.1 mg l−1 naphthaleneacetic acid (NAA). After 75 d, 73.2% of the explants gave rise to buds/shoots. The elongated shoots were rooted on the medium containing 0.2 mg l−1 NAA and the plantlets were successfully acclimatized in soil.

YIH-JUH SHIAU, SATISH MANOHAR NALAWADE, CHI-NI HSIA, VANISREE MULABAGAL, and HSIN-SHENG TSAY "IN VITRO PROPAGATION OF THE CHINESE MEDICINAL PLANT, DENDROBIUM CANDIDUM WALL. EX LINDL., FROM AXENIC NODAL SEGMENTS," In Vitro Cellular and Developmental Biology - Plant 41(5), 666-670, (1 September 2005). https://doi.org/10.1079/IVP2005685
Received: 5 January 2005; Accepted: 1 May 2005; Published: 1 September 2005
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KEYWORDS
axenic nodal segments
Dendrobium candidum
medicinal herb
Tissue culture
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