摘要
利用植物组织培养技术建立细毛山药茎尖培养和离体再生体系,探索影响山药组培的因素。结果表明:6-BA 2.0mg/L+NAA 0.5 mg/L能很好的诱导出愈伤组织;将诱导出的愈伤组织接种在KT 2.5 mg/L+NAA 0.02 mg/L和KT 2.0mg/L NAA 0.03 mg/L上都可分化出4~5个芽,且接种在KT 2.0 mg/L+NAA 0.03 mg/L上分化出的芽可直接长成健壮的植株。KT 1.5 mg/L+NAA 0.02 mg/L培养基对腋芽有较好的增殖效果,增值系数可达到3.8。将芽接种到KT 2.0mg/L+IAA 0.2 mg/L培养基上可健壮成长,也可作为继代培养基。
The system of shoot tip culture and regeneration in vitro of yam were established by plant tissue culture,and its influenced factors were explored.The results showed that:the calli were induced in the media with 6-BA 2.0 mg/L+NAA 0.5 mg/L.4-5 buds developed after the callus were transferred to the media with KT 2.5 mg/L+NAA 0.02 mg/L and KT 2.0 mg/L NAA 0.03 mg/L,and the shootlets grew strongly in the latter media.The media with KT 1.5 mg/L+NAA 0.02 mg/L showed good proliferation effect for leaf buds,and the proliferative ratio was to 3.8.The media with KT 2.0 mg/L+ IAA 0.2 mg/L was suitable for subculture.
出处
《种子》
CSCD
北大核心
2012年第2期48-50,56,共4页
Seed
基金
山东省农业良种工程项目(项目编号:109001)
关键词
细毛山药
组织培养
再生体系
茎尖
fine-root yam
tissue culture
regeneration system
shoot tip