Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Callus induction and plant regeneration from in vitro cultured petiole of 3 Gerbera cultivars.

거베라 기내 엽병조직으로부터 Callus 유도 및 식물체 재분화

  • 정용모 (경남농업기술원 화훼육종연구소) ;
  • 나애실 (경남농업기술원 화훼육종연구소) ;
  • 고은경 (동아대학교 생명자원과학대학) ;
  • 송혜정 (경남농업기술원 화훼육종연구소) ;
  • 김정부 (경남농업기술원 화훼육종연구소) ;
  • 권오창 (동아대학교 생명자원과학대학)
  • Published : 2004.10.01
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Abstract

The experiment was conducted to investigate optimal condition for callus induction and plant regeneration for transformation system of gerbera. Callus induction was more effective in 'white day' then other two cultivar 'Songsongee' and 'Love Song' The optimized plant growth regulators concentration on callus induction, was MS basal medium with NAA 0.1 mg/L＋ TDZ 0.5 mg/L. The optimized plant growth regulators concentration on plant regeneration, which was used MS basal medium was IAA 1.0 mg/L ＋ BA 1.0 mg/L ＋ Zeatin 0.1 mg/L. The optimized petiole age for more effective plant regeneration was 32 days petiole after in vitro subculture and MS basal medium strength was 1/2 MS strength.

본 연구는 거베라의 신품종을 육성하여 식물체 재분화 조건을 찾기 위하여 경남농업기술원 화훼육종연구소에서 육성한 화이트데이, 송송이 그리고 러브송 등 3품종을 이용하여 기내배양묘의 엽병으로부터 callus 유도조건 및 식물체 재분화에 미치는 몇 가지 요인을 구명하기 위해 실시되었다. Callus의 유도에 있어서는 3품종 중 '화이트데이'가 다른 품종보다 callus형성이 양호하였다. Callus의 유도를 위한 가장 효과적인 식물생장조절물질의 조건은 MS 기본배지에 NAA 0.1 mg/L＋TDZ 0.5 mg/L의 조건에서 양호하였다. 식물체 재분화를 위한 가장 효과적인 식물생장조절물질의 조건은 MS 기본배지에 IAA 1.0 mg/L＋BA 1.0 mg/L＋Zeatin 0.1 mg/L의 혼용조건에서 양호한 경향이었다. 배양 식물체 재분화를 위한 엽병의 적정 계대배양 기간은 계대배양 후 32일이 경과된 엽병에서 양호한 경향이었다. 또한 식물체 재분화를 위한 적정 MS 배지의 농도는 1/2MS에서 식물체의 분화가 양호하였다.

Keywords

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