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http://dx.doi.org/10.5010/JPB.2006.33.4.303

Multiple Shoot Induction from Radicle-derived Callus and in Vitro Propagation of Silene Acaulis Subsp. Arctics  

Seo, Hyo-Won (National Institute of Highland Agriculture, RDA)
Yi, Jung-Yoon (National Institute of Highland Agriculture, RDA)
Park, Young-Eun (National Institute of Highland Agriculture, RDA)
Kang, Sung-Ho (Korea Polar Research Institute, KORDI)
Chung, Ho-Sung (Korea Polar Research Institute, KORDI)
Kim, Ji-Hee (Korea Polar Research Institute, KORDI)
Publication Information
Journal of Plant Biotechnology / v.33, no.4, 2006 , pp. 303-307 More about this Journal
Abstract
We describe here an efficient in vitro propagation method of Silene acaulis subsp. arctica (Caryophyllaceae), one of the higher arctic angiosperms, through the multiple shoot regeneration after callus induction from the radicle. The seeds of S. acaulis subsp. arctica collected from Svalbard, the Norwegian Arctic, were germinated and calli were induced from the radicle on solid MS media supplemented with 0.25mg/L 2,4-D and 1mg/L $GA_3$ at both $10{\pm}1^{\circ}C\;and\;23{\pm}1^{\circ}C$ Two weeks after callus induction, the multiple shoots were efficiently regenerated on the MS media supplemented with 0.25 g/L BA and 0.05mg/L HPh. The total biomass increment of regenerated shoots increased most efficiently of S. acaulis subsp. afctica was showed the maximum efficiency in at $23{\pm}1^{\circ}C$ on 1/2 MS salt strength. The multiple regenerated plantlets of S. acaulis subsp. arctics were grown to normal plants on soil.
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