Korean Journal of Plant Tissue Culture (식물조직배양학회지)

The Korean Society of Plant Biotechnology (한국식물생명공학회)
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Plant Regeneration from Leaf and Internode Segment Cultures of Boxthorn (Lycium chinense Mill.)

구기자나무의 잎과 마디절편체 배양에 의한 식물체 재생

  • Published : 2001.11.01
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Abstract

Callus and shoot formation from medicinal crop, Lycium chinense Mill. cv. 'Cheongyang', as influenced by various media, explant sources and plant growth regulators were investigated. The rate of shoots formation, number of shoots, and fresh weight of shoots were the best on MS medium followed by B$_{5}$, WPH, and SH. Callus induction was more effective in leaf than internode segments, and was the best on MS medium containing 0.5 mg/L NAA with 0.2 mg/L BA. Effects of plant growth regulators in shoot formation were more effective in BA than TDA combined with NAA. Shoot formation from callus induced in leaf and internode segments was the best on MS medium containing 0.01 mg/L NAA with 0.2 mg/L BA.

배지, 절편체의 종류 그리고 생장조절제가 약용작물인 구기자나무 (Lycium chinese Mill. 'Cheongyang')의 캘러스 유도 및 신초 분화조건에 미치는 영향을 조사하였다. 배지 종류별 기관분화는 신초 분화율, 신초 발생수 및 생체중이 MS, B5, WPM 배지 순으로 양호하였다. 구기자나무의 캘러스 유도는 절간 절편체보다 잎 절편체가 좋았고, 캘러스는 0.5mg/L NAA와 0.2 mg/L BA가 첨가된 MS배지에서 효율적으로 유도되었다. 신초 분화에 관여하는 cytokinin으로는 TDZ보다는 BA가 좋았으며 BA 단일처리보다는 NAA와의 혼용처리에서 더 양호하였다. 신초분화는 0.01 mg/L NAA와 0.2 mg/L BA가 첨가된 MS 배지에서 가장 좋았다

Keywords

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