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Establishment of Plant Regeneration from Apical Meristem of Sweetpotato  

Lee, Joon-Seol (Mokpo Experiment Station, National institute of Crop Science, RDA)
Ahn, Young-Sup (National institute of Crop Science, RDA)
Chung, Mi-Nam (Rural Development Administration)
Kim, Hag-Sin (Mokpo Experiment Station, National institute of Crop Science, RDA)
Jeong, Byeong-Choon (Mokpo Experiment Station, National institute of Crop Science, RDA)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.51, no.spc1, 2006 , pp. 233-236 More about this Journal
Abstract
This study was conducted to investigate somatic embryogenesis capacity using callus derived from bud meristems in sweetpotato. Shoot apical meristem explants $(height:150{\mu}m;base:\;350{\mu}m)$were cultured on MS medium supplemented with 1 mg/L 2/4-D. Embryogenic callus were observed in five cultivars when their shoot apices were cultured on MS medium supplements with 1 mg/L 2,4-D. After 6 weeks of culture, greater than 80% of the survived explants produced embryogenic calli and the calli gave rise to somatic embryos at frequencies of 72% (Yulmi), 60% (Shinhwangmi), 78% (Geonmi), 70% (KoKei 14), 40% (Sinjami). The regenerated plants developed into whole plantlets after they were transferred onto the fresh hormon-free MS medium of 74% (Yulmi), 82% (Shinhwangmi), 86% (Geonmi), 74% (Kokei 14), 41% (Sinjami) respectively.
Keywords
sweetpotato; regeneration; apical meristem; culture;
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