화훼연구 (FLOWER RESEARCH JOURNAL)

  • 제17권1호
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  • Pages.23-28
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  • 2009
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  • 1225-5009(pISSN)
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  • 2287-772X(eISSN)
한국화훼학회 (The Korean Society for Floricultural Science)
권호 표지

유색칼라 'Florex Gold' 경정배양에 있어서 다아체 형성 및 식물체 재분화에 미치는 생장조절제의 영향

Effect of Plant Growth Regulators on the Formation of Adventitious Bud Callus and Plant Regeneration in Shoot Tip Culture in Zantedeschia spp. 'Florex Gold'

  • 유용권 (목포대학교 자연과학대학 생명과학부 원예과학전공)
  • Yoo, Yong Kweon (Major in Horticultural Science, Division of Bioscience, Mokpo National University)
  • 투고 : 2008.12.04
  • 심사 : 2009.02.27
  • 발행 : 2009.03.31

⟨ 이전 논문 다음 논문 ⟩

초록

경정배양을 통해 유색칼라 'Florex Gold'의 대량생산체계를 확립하고자 다아체의 형성 및 식물체 재분화에 미치는 생장조절제의 영향을 조사하였다. TDZ $0.1mgL^{-1}$ 처리는 BA 처리보다 경정으로부터 다아체의 형성이 왕성하였고, 길이가 짧은 신초가 분화하였다. BA와 NAA 혼용처리는 BA 단용처리에 비해 다아체 형성 및 신초분화를 억제하였다. TDZ $0.1mgL^{-1}$가 첨가된 배지에서 경정배양을 통해 생산된 다아체 절편체(0.3 cm)에서의 다아체 증식은 TDA $0.1mgL^{-1}$와 BA $2.0mgL^{-1}$의 농도에서 가장 효과적이었다. 다아체 절편체를 TDZ $0.001mgL^{-1}$에서 배양시 신초가 가장 많이 형성되었고, 신초의 길이도 가장 길었다. 다아체 절편체로 부터의 뿌리의 생장은 TDZ $0.001mgL^{-1}$와 BA $0.2mgL^{-1}$ 처리에서 가장 양호하였다. 결과적으로 Zantedeschia spp. 'Florex Gold'의 기내 대량번식은 TDZ $0.1mgL^{-1}$이 첨가된 배지에서 경정배양을 통해 형성된 다아체를 증식하여 기관분화를 유도함으로써 대량번식이 가능하였다.

This study was conducted to examine the effect of plant growth regulators on the formation of adventitious bud callus(ABC) and plant regeneration in shoot tip culture of Zantedeschia spp. 'Florex Gold'. Treatment of $0.1mgL^{-1}\;N$-phenyl-N'-1,2,3-thiadiazol-5-ylurea(thidiazuron, TDZ) was more promotive for formation of ABC in shoot tip culture than 6-benzylaminopurine(BA) treatment, and short shoots were developed. Comparing to treatment of BA, mixing treatment of BA and 1-naphthaleneacetic acid(NAA) inhibited the formation of ABC and multiple shoot. The proliferation of ABC derived from sections(0.3 cm) of ABC produced by shoot tip culture in medium supplemented with $0.1mgL^{-1}\;TDZ$ was more effective in medium with $0.1mgL^{-1}\;TDZ$ or $2.0mgL^{-1}\;BA$ than the other treatments. The shoot regeneration and growth from sections of ABC was more promotive in treatment of $0.001mgL^{-1}\;TDZ$. Also, the root growth from sections of ABC was better in medium with $0.001mgL^{-1}\;TDZ$ or $0.2mgL^{-1}\;BA$. Consequently, in vitro mass production of Zantedeschia spp. 'Florex Gold' can be obtained via indirect organogenesis through plant regeneration and proliferation of ABC which was derived from shoot tip culture at $0.1mgL^{-1}\;TDZ$.

키워드

과제정보

연구 과제 주관 기관 : 농촌진흥청

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