Korean Journal of Plant Tissue Culture (식물조직배양학회지)

The Korean Society of Plant Biotechnology (한국식물생명공학회)
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Effect of Growth Regulators and Antioxidant Mixture on the Anther Floating Cultures of Rice

벼의 약 부유배양에서 캘러스 유도 및 식물체 분화에 미치는 생장조절제와 항산화제의 영향

  • Published : 2000.03.01
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Abstract

To investigate the effect of growth regulators and antioxidant in anther floating cultures of rice, anthers were cultured in liquid media supplemented with different growth regulators, and the effect of antioxidant mixture : (Sigma Chemical Co.) on callus induction and plant regeneration were investigated. N6 medium with 1 mg/L 2,4-D and 1 mg/L kinetin was the best for rice anther floating cultures, which showed 48.5% of callus induction and 6.8% of green plant regeneration. The callus induction was not affected by antioxidant mixture in liquid medium, and antioxidant mixture (250 mg/L) was effective for the reduction of brownish callus and improvement of plant regeneration Antioxidant mixture showed better effectiveness when it was supplemented to both media for callus induction and plant regeneration.

벼 소포자 유래의 반수성 세포집단을 기내 돌연변이 유기 연구에 이용하기 위하여, 액체배지를 이용한 약 부유배양에서 캘러스 유도에 미치는 생장조절물질의 영향과 유도된 캘러스의 갈변화에 따른 활력저하를 막기 위하여 배지내 항산화제의 첨가효과를 조사하였다. 약 부유배양을 위한 액체배지는 N6배지에 1 mg/L 2,4-D와 1 mg/L kinetin을 첨가한 배지에 서 캘러스 형성율 48.5%, 녹색체 분화율 6.8%, 총 식물체 분화율 9.0%로 가장 높았다. 약 부유배양에서 항산화제 (antioxidant mixture, Sigma Chemical Co.)의 첨가는 캘러스 형성율에 영향을 미치지 않았으며, 캘러스 갈변방지와 총 식물체 분화율 향상에 유의한 효과를 보였다. 항산화제의 적정농도는 250mg/L 였으며, 캘러스 유도배지와 식물체 분화배지에 모두 첨가하는 것이 가장 좋았다.

Keywords

References

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