Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Effect of Growth Regulators of Plant Regeneration from Rhodiola sachalinesis leaf segments

홍경천 (Rhodiola sachalinesis)의 엽육 절편으로부터 식물체 분화에 미치는 생장조절제의 영향

  • Bae Ki-Hwa (Department of Biological Science, Kongju National University) ;
  • Yoo Ji-Ae (Department of Biological Science, Kongju National University) ;
  • Yoon Eui-Soo (Department of Biological Science, Kongju National University)
  • Published : 2005.10.01
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Abstract

Rhodiola sachalinensis has been used as a traditional medicine in Asia. We were germination in vitro seedling of grow naturally in Chang bai Moutain. And callus induction from leaf segments, treatmented plant regeneration in plant growth regulators (Auxins and cytokinins). We investigated optimal conditions for efficient plant regeneration through callus induction and shoots formation on medium with various kinds of growth regulators. Callus induction and adventitious shoots formation was achieved when cytokinin and auxin combinated to this experiment. Especially, there was the highest callus induction rates when we were used to 1 mg/L kinetin and 2 mg/L NAA $(98\%)$, Adventitious shoots formation wear obtained difference rate when cytokinin alone 1 mg/L BA $(96.6\%)$. And regenerated plantlet was acclimatized and transplanted to the soil, showed $100\%$ survival.

백두산에 자생하는 홍경천의 종자를 기내에서 발아시켜 잎 절편으로부터 캘러스를 유도 할 수 있었으며, 식물생장조절제의 처리로 기관분화도 시킬 수 있었다. 토양순화는 약 8주후면 멸균되지 않은 토양에서도 홍경천의 뿌리활착이 활발함을 알 수 있었다. 캘러스의 유도율은 Kinetin 1 mg/L와 NAA 2 mg/L를 첨가한 배지에서 가장 높은 $98\%$의 캘러스 형성률을 보였다. 캘러스에서 부정아의 유도는 BA가 1 mg/L 첨가된 MS배지에서 $96.6\%$의 높은 부정아형성률을 보였으며 뿌리와 신초의 신장은 옥신은 첨가되지 않은 배지에서 다량으로 유도됨을 관찰할 수 있었다. 토양순화는 $100\%$ 성공적 이었다.

Keywords

References

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