Korean Journal of Plant Tissue Culture (식물조직배양학회지)

The Korean Society of Plant Biotechnology (한국식물생명공학회)
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Factors Affecting Plant Regeneration from Seed-Derived Calli in Italian ryegrass (Lolium multiflorum Lam.)

이탈리안 라이그래스의 종자배양에 있어서 식물체 재분화에 미치는 몇 가지 요인

  • Published : 2001.11.01
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Abstract

In order to optimize the conditions of callus induction and plant regeneration in seed culture of Italian ryegrass, the effects of basic medium and carbon sources on seed culturability and genotypic difference of plant regenerability were investigated. MS medium was better than N6 and B5 medium in enhancing callus growth and plant regeneration. Sucrose was superior to maltose in plant regeneration as carbon source in the medium. The genotypic difference in plant regenerability was obvious among four cultivars of Italian ryegrass tested. 'Rio' and 'Jeanne' showed to have higher regenerability with the frequency of 38% and 56%, respectively.

이탈리안 라이그래스의 종자배양에서 캘러스 형성 및 식물체 재분화 체계를 확립하기 위하여 기본배지와 탄소원의 종류별 식물체 재분화 정도 및 배양효율의 품종 간 차이 등에 대한 실험을 수행하여 얻어진 결과를 요약하면 다음과 같다. 기본배지의 종류에 따른 캘러스 형성 및 식물체 재분화율은 MS 배지가 N6 배지나 B5 배지보다 높게 나타났다. 배지 내에 첨가되는 탄소원의 종류에 따른 식물체 재분화율은 sucrose가 maltose보다 효과적이었다. 이탈리안 라이그래스의 종자배양에 있어서 모식물의 genotype에 따라 식물체 재분화 능력은 큰 차이를 보였으며, 공시품종 중 'Rio' 와 'Jeanne' 의 재분화 능력이 각각 38%와 56%로 가장 높았다.

Keywords

References

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