Journal of Plant Biotechnology

  • 제29권1호
  • /
  • Pages.51-57
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  • 2002
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  • 1229-2818(pISSN)
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  • 2384-1397(eISSN)
한국식물생명공학회 (The Korean Society of Plant Biotechnology)
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대두 품종에 따른 자엽절에서의 다신초 형성

Multiple Shoot Formation from Cotyledonary Nodes of Soybean Cultivars

  • Ha, Keon-Soo (Kangwon Province Agricultural Research & Extension Services) ;
  • Han, Tae-Jin (Division of Life science, Hallym University)
  • 발행 : 2002.03.01
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초록

대두의 재분화 체계를 확립하고자 품종별 shoot 형성률, 적정배지 및 적정조직을 구명하고자 하였다. 유묘의 조직부위별 비교에서는 1개의 자엽을 포함한 절에서 multiple shoot 형성률이 높았다. 기본배지에서는 1/2 B5배지가 효율적이었으며, TDZ 처리시에 multiple shoot 형성률이 높았으며, 처리농도는 2mg/L가 효율적이었다. Shoot 형성시 자엽 네 전분은 배양 1주까지 증가 후 감소하였으며, 수용성 당은 배양 2주까지 증가 후 shoot가 형성되는 배양 4주에는 관찰되지 않았다. 품종 간 비교에서는 품종에 따라 shoot 형성 양상이 구분되어, '흑청콩' 등 11품종에서는 multiple shoot 형성률이 높았고, '만리콩' 등 16품종에서는 pair shoot 형성률이 높았다. 자엽절에서 shoot가 형성되는 양상에 따른 조직화학적 관찰 결과 pair shoot의 경우 내생적으로 잠재한 액아에 의한 것이며, multiple shoot의 경우는 새로이 형성된 shoot로 확인되었다.

For the plant regeneration of soybean (Glycine me L. Merr.), the shoot formation rate, optimal medium and tissue conditions were examined using Korean soybean cultivars. Among the parts of seedling, a node that includes one cotyledon showed the highest shoot formation rate among other tissues. Half-strength B5 medium was more efficient than full strength medium. Formation rates of pair shoots (1 to 2 shooting) were higher in the when benzyl adenine was supplemented. The formation rates of multiple shoots, that is, 4 to 5 in shooting, were high when thidiazuron was supplemented. Multiple shoot was de novo formed in cutting side of cotyledonary node. The effective concentration of thidiazuron for shoot induction treatment was 2 mg/L. Among the 27 cultivars, multiple shoot formation rates were high in the 11 cultivars including 'Heugcheongkong, and pair shoot formation rates were high in the 16 cultivars including 'Malikong'.

키워드

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피인용 문헌

  1. Plant Regeneration by in vitro Tissue Culture in Korean Soybean (Glycine max L.) vol.29, pp.1, 2016, https://doi.org/10.7732/kjpr.2016.29.1.143