Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Effects of Plant Growth Regulation on Adventitious Root Formation of Pulsatilla koreana Nakai

할미꽃 기내발근에 미치는 식물생장조절제의 영향

  • Yoon, Eui-Soo (Department of Biology, Kongju. National University) ;
  • Kwon, Hye-Kyoung (Department of Biology, Kongju. National University) ;
  • Cho, Yi-Yun (Department of Biology Education, Kongju. National University)
  • 윤의수 (공주대학교 생명과학과) ;
  • 권혜경 (공주대학교 생명과학과) ;
  • 조이연 (공주대학교 생물교육학과)
  • Published : 2006.08.30
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Abstract

To acquire the normal regeneration of plantlets, we investigated combinations and concentrations of plant growth regulations for optimal conditions of adventitious root formation. Based on the previous study, we performed callus and shoot induction. When induced shoot was transferred into a rooting medium containing plant hormones, it wilted and died. Thus, the shoot proliferated on 1/2 MS medium for 10 days and was then treated with MS medium supplemented with 3.0 mg/L NAA for 3 days. Adventitious root formations were observed after shoot planlets were transferred to 1/3 MS medium. The concentrations of salt and sucrose were gradually reduced in MS medium and the rooted plantlets were transferred for acclimatization into a mixture of peatmoos : perlite (3 : 2).

식물생장조절제의 종류와 농도를 모색하여 할미꽃의 발근 최적 조건을 조사하여 정상적인 재분화체를 획득하고자 하였다. 지금까지의 선행연구를 토대로 최적조건에서 shoot를 유도시킨 후 발근 유도 생장조절제에 바로 옮기면 shoot가 너무 작아 재분화체가 성장하지 못하고 고사되었다. 1/2 MS에서 키운 shoot를 3.0 mg/L NAA를 첨가한 배지에서 3일간 생장시킨 후, 1/3 MS로 옮겨 치상 한 경우, 약 10일 전후에 뿌리의 유도가 관찰되었다. 이렇게 뿌리가 유도된 재분화체는 염의 농도와 설탕의 농도를 동시에 순차적으로 낮추어 순화처리되었다.

Keywords

References

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