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Callus formation and multiple shoot induction of Hovenia dulcis Thunb.  

Eom, Seung-Hee (College of Agriculture & Life Science, Kangwon National University)
Kang, Won-Hee (College of Agriculture & Life Science, Kangwon National University)
Shin, Dong-Yong (College of Agriculture & Life Science, Kangwon National University)
Heo, Kwon (College of Agriculture & Life Science, Kangwon National University)
Choi, Won-Cheol (Kwanghyewon Medical Foundation Cancer Center)
Lee, Hyeon-Yong (School of Biotechnolgy and Bioengineering, Kangwon National University)
Yu, Chang-Yeon (College of Agriculture & Life Science, Kangwon National University)
Publication Information
Korean Journal of Plant Resources / v.15, no.3, 2002 , pp. 237-242 More about this Journal
Abstract
Loaves, stems, cotyledons, and roots of Hovenia dulcis Thunb grown in test tube were cultured on media containing different concentrations of single or combined growth regulators. In MS media containing 2mg/ι BA, the shoot formation rate was 95.5% and it was the highest frequency of shoot formation. MS media showed most efficiency in the shoot formation at 0.01mg/ι TDZ for the callus formation, but the color of callus changed to brown at a higher concentration of TDZ. Callus formation was 89.% at 0.5mg/ 2.4-D, but IAA, IBA, and NAA were not effective on the formation of callus. Calli were formed only on wound area when IAA, IBA, and NAA were added into MS media. Combined growth regulators (BA + auxin) were more effective in roots and nodes than leaves and cotyledons on the formation of shoot. More than 97% of shoot formation was obtained on MS media containing BA and auxin. For the production of multiple shoot, nodes of Hovenia dulcis were used and effect of growth regulators on the formation of multiple shoot was evaluated on MS media. Highest shoots (5.3) of Hovenia dulcis were induced on MS media supplied with 0.1mg/ι BA and 0.1mg/ι NAA, and an average of 6.4 shoots per explant were obtained in 1/2 MS media containing same concentration and growth regulators. An average of 7 shoots per explant after 4 weeks of culture from nodes of Hovenia dulcis was produced on a woody plant medium(WPM) containing 0.1mg/ι BA and 0.1mg/ι NAA. Shoot length was 6.0 cm in average.
Keywords
Callus formation; Hovenia dulcis; node; multiple shoot; growth regulator;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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