Journal of Plant Biotechnology

The Korean Society of Plant Biotechnology (한국식물생명공학회)
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Plant Regeneration Through Adventitious Bud Formation and Callus Induction from Scales of Lilium lancifolium Thunb.

참나리 (Lilium lancifolium Thunb.) 인편으로부터 부정아 발생과 캘러스 유도를 통한 식물체 재생

  • Published : 2003.03.01
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Abstract

This study was performed to investigate the effects of various media compositions in regeneration of Lilium lancifolium. The adventitious bud initiation from microscale was the best on MS medium supplemented with BAP 1.0 mg/L and NAA 0.1 mg/L after 4 weeks of culture. However, from bulbscales, adventitious bud initiation was the best in dark condition on MS medium supplemented with BAP 0.5 mg/L and NAA 0.1 mg/L. On the other hand, callus induction was found to be the best from the microscales incubated in complete dark condition for 8 weeks on MS medium supplemented with 2,4-D 1.0 mg/L and BAP 0.1 mg/L. The highest plantlet regeneration from callus was obtained after incubation in the light condition for 8 weeks on MS medium supplemented with NAA 0.5 mg/L and BAP 0.1 mg/L. Rooting of shoots was obtained easily on MS medium and the plantlets were transferred to soil pots after 8 weeks. The chromosome analysis of the root tip cells was revealed that the callus-derived plantlets had normal chromosome number, 2n=24. No variation was observed in the morphology of the plantlets.

여러가지 생장조절제를 첨가한 MS배지에 참나리의 기내배양 소인편과 실생인편을 치상하여 재분화 과정을 알아보았다. 소인편의 부정아 발생은 BAP 1.0mg/L와 NAA 0.1 mg/L을 혼합 처리한 MS배지에서 4주간 배양했을 때 가장 왕성하게 일어났으며, 실생인편의 부정아 발생률은 BAP 0.5mg/L와 NAA 0.1 mg/L에서 4주간 암배양했을 때 가장 높았다. 소인편의 캘러스 발생은 BAP 0.1 mg/L와 2,4-D 1.0 mg/L 혼합 처리구에서 가장 높았다. 또한. 캘러스의 재분화는 NAA 0.5 mg/L와 BAP 0.1 mg/L를 혼합 처리한 MS배지에서 8주간 명배양했을 때 가장 높았다. 뿌리는 MS배지에서 쉽게 발달되었으며, 8주 후 굵고 긴 뿌리를 갖춘 완전한 재분화 식물체로 성장하여 화분에 이식하였다. 참나리의 재분화 전, 후의 염색체 수는 모두 2n=24로서 조직배양에 의한 염색체수의 변화가 없음을 확인하였다.

Keywords

References

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