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园艺学报 ›› 2006, Vol. 33 ›› Issue (2): 441-444.

• 研究简报 • 上一篇    下一篇

云南野生早花象牙参叶片再生体系的建立

瞿素萍1;熊 丽2;李树发2;王丽花1;唐开学1*
  

  1. (1 云南省农业科学院农业部花卉产品质量监督检验测试中心, 昆明650205; 2 云南省农业科学院花卉研究所, 昆明650205)
  • 收稿日期:2005-07-08 修回日期:2005-09-01 出版日期:2006-04-25 发布日期:2006-04-25

Establishment of Plant Regeneration from Leaves Explants of Wild Roscoeacautleoides in Yunnan

Qu Suping1;Xiong Li2;Li Shufa2;Wang Lihua1;Tang Kaixue1*   

  1. (1 Yunnan Academy of Agricultural Sciences, Supervision and Testing Centre for Flowers, Ministry of Agriculture, Kunming 650205, China; 2Flower Research Institute, Yunnan Academy of Agricultural Sciences, Kunming 650205, China)
  • Received:2005-07-08 Revised:2005-09-01 Online:2006-04-25 Published:2006-04-25

摘要: 以云南野生的早花象牙参叶片为外植体, 探讨了叶片的不同部位、植物生长调节剂组合、暗培养、水解酪蛋白和椰子汁对愈伤组织诱导和不定芽再生的影响。结果表明: 叶片基部, 暗培养, 水解酪蛋白和椰子汁均有利于愈伤组织的诱导; 暗培养促进了不定芽的再生。适宜早花象牙参叶片愈伤组织形成的诱导培养基为MS + 6-BA 1.5 mg·L - 1 +NAA 0.1 mg·L - 1 +水解酪蛋白800 mg·L - 1 +椰子汁50 mL ·L - 1 , 再生培养基为MS + 6-BA 1.5 mg·L - 1 +NAA 0.1 mg·L - 1 , 增殖培养基为MS + 6-BA 0.6 mg·L - 1 + NAA 0.1 mg·L - 1 , 生根培养基为1/2MS +NAA 0.8 mg·L - 1

关键词: 早花象牙参, 叶片, 愈伤组织, 再生体系

Abstract: The ideal regeneration system of Yunnan wild Roscoea cautleoides by leaves explants was established. In this study, the effects of different place on leaf, plant growth regulators, dark periods, casein hydrolysate, coconutmilk on callus induction and shoot regeneration were investigated. The research results indicated that downside from leaf, dark periods, casein hydrolysate, coconut milk can improve on callus induction. At the same time, dark periods can facilitate shoot regeneration. The app rop riate media for callus induction from leaves explants of Roscoea cautleoides is MS + 6-BA 1.5 mg·L - 1 +NAA 0.1 mg·L - 1 +CH 800 mg·L - 1 + CM 50 mL ·L - 1. The appropriate media for shoot regeneration is MS + 6-BA 1.5 mg·L - 1 +NAA 0.1 mg·L - 1. The media for propagation adventitious shoots isMS + 6-BA 0.6 mg·L - 1 +NAA 0.1
mg·L - 1. The media for regeneration adventitious roots is 1/2MS +NAA 0.8 mg·L - 1.

Key words: Roscoea cautheoides, Leaf explant, Callus, Regeneration system