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http://dx.doi.org/10.5010/JPB.2009.36.1.001

Mass production of potato shoots by liquid culture  

Kim, Jae-Whune (SBC Factory B/D Pallbokdong)
Choi, Eun-Gyung (SBC Factory B/D Pallbokdong)
Kim, Jeong-Kook (School of Life Sciences and Biotechnology, Korea University)
Publication Information
Journal of Plant Biotechnology / v.36, no.1, 2009 , pp. 1-6 More about this Journal
Abstract
A study was conducted to investigate in vitro micro propagation of four potato cultivars of Daese, Jasim, Chubaek and Haryeng in MS medium and PM medium (a medium containing half concentration of $NH_4NO_3$ and $KNO_3$, two fold concentration of $CaCl_2$ as compared to MS medium). During $1{\sim}2$ weeks of culture, Daese and Jasim showed better shoot elongation on the solid MS medium than Chubaek and Haryeng whereas Chubaek and Haryeng did better shoot elongation on the solid PM medium. But no difference was observed after 4 weeks of culture. As compared to shoot elongation on the solid medium, it was delayed at early stage of culture in the liquid medium without shaking. Shoot formation ratio of potato (above 4 cm of shoot length) began to increase significantly after 1 week of culture and kept on increasing until 4 weeks. The four cultivars showed the different patterns of shoot growth in bioreactor. The PM medium with a quarter salt strength was effective for the regeneration of axillary buds as well as shoot elongation of Jasim and Chubaek. Daese showed vigorous regeneration of axillary buds in the PM medium with a half salt strength. On the other hand, Haryeng showed slower growth than the other three cultivars.
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