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园艺学报 ›› 2011, Vol. 38 ›› Issue (2): 327-327–334.

• 观赏植物 • 上一篇    下一篇

岷江百合悬浮细胞系的建立及植株再生

姜新超,刘 春*,明 军,穆 鼎,袁素霞   

  1. (中国农业科学院蔬菜花卉研究所,北京 100081)
  • 收稿日期:2010-06-21 修回日期:2011-01-15 出版日期:2011-02-25 发布日期:2011-02-25
  • 通讯作者: 刘 春

Establishment of Cell Suspension Culture and Plantlet Regeneration of Lilium regale

JIANG Xin-chao,LIU Chun*,MING Jun,MU Ding,and YUAN Su-xia   

  1. (Institute of Vegetables and Flowers,Chinese Academy of Agricultural Sciences,Beijing 100081,China)
  • Received:2010-06-21 Revised:2011-01-15 Online:2011-02-25 Published:2011-02-25
  • Contact: LIU Chun

摘要: 以岷江百合(Lilium regale Wils.)颗粒细小、结构松散的乳白色愈伤组织为起始材料,接种在MS(NH4NO3含量减半)+ 2.0 mg · L-1 picloram + 30 g · L-1蔗糖液体培养基上,在25 ℃黑暗条件下振荡(100 r · min-1)培养10 ~ 20 d,建立分散性好、均匀、生长迅速的悬浮细胞系。在悬浮细胞系培养过程中研究了不同参数对其生长的影响,结果表明:在40 mL培养液中接种量为0.5 g(鲜样质量),18 d继代1次,继代时保留1/3体积的旧培养液有利于其细胞增殖。将悬浮细胞转移到1/2MS + 30 g · L-1蔗糖的再生培养基上成功获得再生植株。

关键词: 百合, 岷江百合, 悬浮细胞系, 植株再生

Abstract: Cell suspension culture of Lilium regale Wils. were initiated from creamy-white nodular callus with loose structure. They were cultured in modified liquid MS medium(NH4NO3 with half-strength)supplemented with picloram 2.0 mg · L-1 and sucrose 30 g · L-1,and shook at 100 r · min-1 under dark condition at 25 ℃. About 10–20 days after,stably growing cell suspensioncultures were established. The growth pattern of the cultures was investigated and the optimal parameters were:0.5 g(FW)initial inoculum per 40 mL liquid medium,a sub-culture every 18 days,and 1/3 volume of old liquid medium left during subculture. Suspension cells regenerated plantlets on solid 1/2MS medium with 30 g · L-1 sucrose.

Key words: Lilium spp., Lilium regale Wils., cell suspension culture, plantlet regeneration

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