Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Induction of Shoot Primordium in Culture of Garlic (Allium sativum L.)

마늘 배양에 있어서 신초원기 유도

  • Choi Joo-Soo (Department of Molecular Biology, Dong-Eui University) ;
  • Lee Bok-Kyu (Department of Molecular Biology, Dong-Eui University) ;
  • Huh Man-Kyu (Department of Molecular Biology, Dong-Eui University)
  • 최주수 (동의대학교 분자생물학과) ;
  • 이복규 (동의대학교 분자생물학과) ;
  • 허만규 (동의대학교 분자생물학과)
  • Published : 2006.06.01
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Abstract

Cultivated garlic, Allium sativum L. is economically important for leaves and bulbs, which historically were used in Korea for spices and condiments of Korean food as well as medicine crops. This experiment was carried out to investigate the effect of development and differentiation on culture of A. sativum (cv: white 6) by explant position, hormone composition and sucrose concentration in culture media. Culture method was investigated to induce shoot primordium. Culture efficiency was better with lower tissue of foliage leaf in explant position and on the medium with NAA 0.02 + BAP 1.0 mg/l in hormone composition than any other. Precocious shoot and callus were induced from shoot apex. Shoot was efficiently differentiated on 4,000 mg/l sucrose with increasing concentration of BAP. Shoot primordium was also induced with liquid rotary culture by histological observation. Rhizoid was induced from callus tissue cluster on medium with NAA 0.02 + BAP 2.0 mg/l.

경제적인 채소류 중 향신료뿐만 아니라 약용으로서 이용 가치가 많은 마늘은 영양번식성 작물로 virus에 감염되어 있으므로, 조직배양에 의하여 마늘의 virus-free한 개체의 생산을 목적으로, 배양부위의 상위에 따른 배양효과의 차이와 호르몬 조성과 당의 농도가 조직배양의 생육 분화에 미치는 영향을 조사하였다. 또한 신초원기 유도를 위한 배양조건을 검토하였으며, 배양체의 조직학적 관찰을 행하였다. 치상부위 별로 보통엽 중하부조직이 배지조성에는 NAA 0.02 + BAP 1.0 mg/l 첨가배지가 발육과 분화에 다소 양호하였다. Shoot 분화에는 sucrose 40 g 첨가구에서 BAP의 증가에 따라 shoot형성이 다소 양호하였으며 NAA 0.02 + BAP 0.2 mg/l 첨가구에서는 가근이 유도되었다. 액체 회전 배양에서 신초원기라고 판단되는 조직이 유도되었다.

Keywords

References

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