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边沁桉试管苗生长影响因子的研究
引用本文:饶红欣,彭信海,罗先权,陈灵,蒋利媛.边沁桉试管苗生长影响因子的研究[J].湖南林业科技,2011,38(6):14-17.
作者姓名:饶红欣  彭信海  罗先权  陈灵  蒋利媛
作者单位:湖南省森林植物园,湖南长沙,410116
基金项目:湖南省林业科技计划项目(201001); 湖南省林业组培无性系育种平台项目(2006tp1018)
摘    要:以2年生边沁桉耐寒优株的半木质化枝条上的顶芽或腋芽为外植体培养的试管苗为试材,对影响边沁桉试管苗生长的因子进行研究.结果表明:BA的浓度对苗的增殖系数有极显著影响,对苗高生长无显著影响,BA的适宜浓度为0.5~1.5 m/L; IBA的浓度对生根率和生根数均有极显著影响,IBA的适宜浓度为1.5 ~3.0 mg/L,蔗...

关 键 词:边沁桉  试管苗  组织培养  影响因子

Research on factors affecting the growth of Eucalyptus benthamii in vitro plantlets
RAO Hongxin , PENG Xinhai , LUO Xianquan , CHEN Ling , JIANG Liyuan.Research on factors affecting the growth of Eucalyptus benthamii in vitro plantlets[J].Hunan Forestry Science & Technology,2011,38(6):14-17.
Authors:RAO Hongxin  PENG Xinhai  LUO Xianquan  CHEN Ling  JIANG Liyuan
Institution:(Hunan Forest Botanical Garden,Changsha 410116,China)
Abstract:Research on the factors affecting the growth of Eucalyptus benthamii in vitro plantlets was carried out with two years old plant and the results showed that BA concentration had extremely significant influence on proliferation coefficient but no significant influence on height growth,and the suitable concentration of BA was 0.5~1.5 m/L.IBA concentration had extremely significant influence on rooting rate and roots quantity,and the suitable concentration of IBA was 1.5~3.0 m/L.Sucrose concentration had extremely significant influence on proliferation coefficient and height growth,and the suitable concentration of sucrose was 15~30 g /L.Light conditions had significant influence on proliferation coefficient but no significant influence on height growth,and the suitable illumination was 2 000 lx~3 000 lx.
Keywords:Eucalyptus benthamii  in vitro  tissue culture  effective factor
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