WANG Yunying,ZHANG Xiaoli,BAI Yinghao,et al.Impact Factors in Germination of Microtubers From Dioscorea opposita[J].Northern Horticulture,2015,39(17):194-196.[doi:10.11937/bfyy.201517050]
山药微型块茎萌发影响因素研究
- Title:
- Impact Factors in Germination of Microtubers From Dioscorea opposita
- Keywords:
- Dioscorea opposita Thunb.; microtuber; germination
- 文献标志码:
- A
- 摘要:
- 在离体条件下，山药在腋芽处可形成微型块茎，以脱毒苗为材料诱导形成的微型块茎具有脱毒苗的所有优良特点，可作为优良种苗快速繁殖的材料。微型块茎的萌发是其诱导形成后一个非常重要的环节，除了其自身的体积大小外，培养基中的植物生长调节剂、培养环境中的光照、温度、湿度和通风状况等都会对其萌发产生影响。现就影响山药微型块茎萌发的体积大小、植物生长调节剂、光、温度、湿度等进行了综述。
- Abstract:
- Microtuber of Dioscorea opposita is formed from axillary bud in vitro conditions.The microtubers induced by virus-free plantlets owning all the fine characteristics of virus-free plantlets and thus can be used as rapid propagation materials of good seedling.After induction，the germination of Dioscorea opposita microtubers is a very important link.Many factors have a great influence on the germination of microtubers，such as plant growth regulators in the medium,light，temperature,humidity and ventilation conditions of the culture environment，in addition to their own size.The role of microtuber size,plant growth regulators,light，temperature and humidity in the germination of microtubers in D.opposita were reviewed in this article.
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备注/Memo
第一作者简介：王运英（1990-），女，硕士研究生，研究方向为药用植物生物技术。E-mail：m15036626756@163.com.责任作者：李明军（1962-），男，教授，研究方向为药用植物生物技术。E-mail：limingjun2002@263.net.基金项目：国家自然科学基金资助项目（81274019）；国家科技重大专项子课题资助项目（2012ZX09304006）。