GUI Ming-chun,GUAN Yan,TIAN Hai,et al.Study on Cutting Technique of Tissue Culture Plantlets of Dracaena godseffiana[J].HEILONGJIANG AGRICULTURAL SCIENCES,2015,(01):85-87.[doi:10.11942/j.issn1002-2767.2015.01.0085]
星点木组培芽扦插技术研究
- Title:
- Study on Cutting Technique of Tissue Culture Plantlets of Dracaena godseffiana
- 文章编号:
- 1002-2767（2015）01-0085-03
- Keywords:
- Dracaena godseffiana; tissue culture plantlets; cutting propagation outside tube; root effective index
- 分类号:
- S688
- 文献标志码:
- A
- 摘要:
- 为了探索星点木的大规模繁殖技术，以星点木四年生植株当年生枝条、半年生组培苗枝条和组培试管芽条为试材，研究了不同激素种类、浓度及不同插穗来源对星点木试管外扦插生根的影响。结果表明：星点木试管外扦插生根率较高，生长激素能够很好地促进生根，50 mg?L-1 IBA处理后生根综合指标较好，生根率可达95％以上，根系效果指数达0.549。半年生组培苗枝条较适合作为插穗来源。
- Abstract:
- In order to explore the large scale propagation technology for Dracaena godseffiana,taking annual shoots from four year old plant,halfyearold branches of tissue culture plant and tissue culture plantlets as experimental materials,the effect of different hormones and cuttings on cutting rooting of Dracaena godseffiana using mnoecious bub outside tube was studied.The results showed that hormones could promote rooting well,the root effective index was the highest after 50 mg?L-1 IBA,the rooting rate was more than 95.0%,the root effective index was 0.549.Halfyearold branche of tissue culture plant was more suitable for cutting.
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备注/Memo
收稿日期：2014-08-06
基金项目：2014云南省热带作物科技创新体系建设资金资助项目(RF2013-1)
第一作者简介：桂明春（1985-），女，云南省景洪市人，硕士，研究实习员，从事植物组织培养和植物遗传育种等研究。E-mail:564863423@qq.com。
通讯作者：梁国平（1965-），男，学士，高级农艺师，从作物育种等研究。