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Effect of plant growth regulators on regeneration of plantlets from bud cultures ofCymbopogon nardus L. and the detection of essential oils from thein vitro plantlets

한국식물학회지 2005년 48권 1호 p.142 ~ 146
 ( Chan Lai Keng ) - Universiti Sains Malaysia School of Biological Sciences

 ( Dewi Patra Rina ) - Universiti Sains Malaysia School of Biological Sciences
 ( Boey R. L. ) - Universiti Sains Malaysia School of Chemical Sciences

Abstract


Cymbopogon nardus L. could be propagated via tissue culture using axillary buds as explants. The aseptic bud explants obtained using double sterilization methods produced stunted abnormal multiple shoots when they were cultured on Murashige and Skoog medium (MS) supplemented with 1.0 mg L-1 or 2.0 mg L-1 benzyladenine (BA). Stunted shoots that cultured on MS + 1.0 mg L-1 BA + 1.0 mg L-1 N6-isopentenyl-adenine (2iP) could induce elongation of shoots from about 60% of the stunted shoots. Normal multiple shoots could be induced at the highest (19.7 shoots per bud) from the bud explants within six weeks when cultured on proliferation medium consisted of MS supplemented with 0.3 mg L-1 BA and 0.1 mg L-1 indole-3-butyric acid (IBA). The separated individual shoot produced roots when transferred to basic MS solid medium. The essential oils that were contained in the mature plants namely citronellal, geraniol and citronellol were also found in thein vitro C. nardus plantlets. Citronellal was the main essential oil component in the matured plants while geraniol was the main component in thein vitro plantlets.

키워드

axillary buds; benzyladenine; Cymbopogon nardus; essential oils; indole-3-butyric acid; multiple shoots
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