Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Effects of BA and NAA on Adventitious Shoot Formation from Mature Zygotic Embryos of Stewartia koreana Nakai

노각나무 성숙 접합자 배로부터 부정아 유도에 미치는 BA 및 NAA 효과

  • 손석규 (임업연구원 산림유전자원부) ;
  • 조윤진 (임업연구원 산림유전자원부) ;
  • 문흥규 (임업연구원 산림유전자원부)
  • Published : 2004.10.01
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Abstract

Zygotic embryos of Stewartia korean Nakai were cultured to determine the effects both of BA and NAA on adventitious shoot induction. Multiple shoots (about 11 per explant) were formed when the embryos were treated with 1.0 mg/L BA alone. On the other hand, NAA appeared to inhibit shoot induction when treated with BA. Adventitious shoots looked differ in form and color by the combinations of BA and NAA treated. When both BA and NAA were present, the shoots became short and developed dark color. The highest rooting was observed at 0.5mg/L NAA. The results could be useful for the establishment of in vitro regeneration system for Stewartia koreana Nakai.

노각나무의 기내번식법을 개발하기 위하여 성숙 배조직을 절편으로 MS 배지에 BA 및 NAA의 단독 또는 혼용처리로 부정아 유도에 미치는 효과를 조사하였다. 대체적으로 BA의 단독 처리가 부정아 유도에 효과적이었으며 1.0mg/L 처리 시 절편 당 약 11개의 부정아가 유도되었다 NAA와의 혼용 처리 시는 대체로 부정아 유도 율이 저조하였으나 0.5mg/L이상의 BA를 처리하였을 때 일부 혼용 효과를 확인할 수 있었다 생장조절제의 처리에 따라 부정아의 형태에 많은 차이를 나타내어 BA와 NAA의 혼용처리 시는 BA 단독처리 시보다 짧고 진녹색의 부정아로 유도되었고, 뿌리 발달은 0.5mg/L의 NAA 처리구에서 가장 높아 정상적인 식물체로 재분화 되었다. 본 연구는 노각나무의 성숙 배조직을 절편으로 기내 식물체 유도가 가능함을 보여 주었다.

Keywords

References

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