• 中文核心期刊
  • CSCD来源期刊
  • 中国科技核心期刊
  • CA、CABI、ZR收录期刊

月影寿的组织培养与快速繁殖

Tissue Culture and Rapid Propagation of Haworthia Tsukikage

  • 摘要: 选用月影寿Haworthia Tsukikage幼嫩花茎作为试验材料,研究不同消毒时间和灭菌处理对外植体的影响,结果表明,月影寿花茎的最佳灭菌处理为75%乙醇处理30 s,0.1% HgCl2处理5~7 min。应用正交试验设计研究基本培养基、植物生长调节剂配比及质量浓度水平变化对花茎愈伤组织诱导、分化和生根的影响,结果表明,最佳愈伤组织诱导培养基为:MS+2.0 mg·L-1 6-BA+0.3 mg·L-1 NAA+1.0 mg·L-1 KT;最佳愈伤组织分化培养基为:1.0 mg·L-1 6-BA+0.1 mg·L-1 NAA+1.5 mg·L-1 KT;最佳生根诱导培养基为1/2 MS+0.1 mg·L-1 NAA+5 g·L-1活性炭,组培生根苗移栽成活率在85%以上。初步建立了月影寿组织培养与快速繁殖技术体系,为规模化生产提供了技术支持。

     

    Abstract: An experiment was conducted using young scapes of Haworthia Tsukikage to study the disinfection of explants for tissue culture and propagation. The choice treatment was determined to immerse the scape cuts in 75% ethanol for 30 s followed by 0.1% HgCl2 for 5-7 min. The orthogonal experiment rendered the optimized medium for the callus induction to be MS+ 6-BA 2.0 mg·L-1+NAA 0.3 mg·L-1+KT 1.0 mg·L-1; that for the callus differentiation, 6-BA 1.0 mg·L-1+NAA 0.1 mg·L-1+KT 1.5 mg·L-1; and that for the rooting, 1/2MS+NAA 0.1 mg·L-1+ activated carbon 5 g·L-1. The survival rate of the transplanted seedlings was approximately 85%. A preliminary method of the tissue culture and rapid propagation for H. Tsukikage was thus established. Further refinement for scaleup operation is in order.

     

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