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http://dx.doi.org/10.5010/JPB.2004.31.2.121

Mass Propagation of Dicentra spectabilis L. Lemaire Through In vitro Suspension Culture  

Lee, Kang-Seop (㈜파낙시아)
Sim, Ock-Kyeong (㈜파낙시아)
Shin, Jeong-Sun (㈜파낙시아)
Choi, Yong-Eui (강원대학교 산림자원학부)
Kim, Ee-Yup (㈜파낙시아)
Publication Information
Journal of Plant Biotechnology / v.31, no.2, 2004 , pp. 121-126 More about this Journal
Abstract
Bleeding heart (Dicentra spectabilis L. Lemaire) is one of the most valuable wild flower in Korea. This work was conducted for the mass production of somatic embryos through suspension culture and more effective plant regeneration system in Dicentra spectabilis. High-frequency embryogenic callus proliferation was achieved in SH liquid medium supplemented with 1 mg/L 2,4-D. Half-strength SH medium was suitable concentration for somatic embryo induction and germination. About 5,000 embryos were produced per 250$m\ell$ flask after 4 weeks of culture. Germination rate of somatic embryos was decreased when GA$_3$ was added in medium. The plantlets showed a 58% survival rate when transferred to pots after 1 month of culture. The results indicate that micropropagation procedure via somatic embryogenesis can be applied for an efficient mass propagation of Dicentra spectabilis.
Keywords
2,4-D; bleeding heart; $GA_3$; SH medium; somatic embryogenesis; suspension culture;
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