Bulblet Regeneration through the Callus Culture induced from Bulb Scales of Lillium longiflorum‘Gelria’.

나리‘Gelria’의 기내인편에서 유도된 callus 배양을 통한 자구의 재분화

  • Published : 2000.11.01

Abstract

This study was conducted to establish a regeneration system of plantlets through callus culture induced from bulb scales of Lillium‘Gelria’. Friable callus was induced very easily from bulb scales, and grew vigorously on medium lacking growth regulators. In media with 0.5∼ 1.0 mg/L kinetin and 0.1 ∼ 1.0 mg/L NAA, 100% of explants produced callus. Proliferation of callus was actively occurred on media containing 0.1 ∼ 1.0 mg/L kinetin and 0.1 ∼ 1.0 mg/L NAA. Callus proliferation and regeneration of bulblets from callus were occurred simultaneously. Light condition was more effective for the callus proliferation and solid medium was better than liquid medium. Althrough callus was proliferated vigorously on media containing 0.1 ∼ 1.0 mg/L BA and NAA, the frequncy of plantlet regeneration was better on medium without growth regulators, then on medium with 0.1 mg/L BA and NAA.

나리‘Gelria’의 인편에서 캘러스를 유도, 증식시키고, 증식된 캘러스에서 식물체를 재분화하여 캘러스를 통한 재분화 기술체계를 확립하고자 실험한 결과, 인편에서 캘러스의 유도는 생장조절제가 전혀 첨가되지 않은 배지에서도 유도되었고, kinetin 0.5 ∼ l.0 mg/L와 NAA 0.1 ∼ l.0 mg/L가 첨가된 배지에서는 유연성이 높은 캘러스가 100%유도되었다. 생장조절제가 첨가되지 않은 배지에서도 캘러스의 증식이 양호하였으며, 생장조절제가 첨가된 배지에서는 증식률이 높아 캘러스가 왕성하게 증식되었다. 또한 캘러스로부터 신초가 발생하여 캘러스의 증식과 신초의 재분화가 동시에 발생하였다. 캘러스는 암배양보다는 명배양에서, 액체배양보다는 고체배양에서 더 잘 증식하였다. 생장조절제가 첨가된 배지에서는 캘러스가 왕성하게 증식하였고 신초의 재생은 생장조절제가 첨가되지 않은 배지에서 높았고, 다음으로 1.0mg.L의 BA와 NAA가 첨가된 배지에서 높았다.

Keywords

References

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