宁夏枸杞雄性不育育性标准研究

目的]研究宁夏枸杞雄性不育育性标准，为枸杞雄性不育杂交育种工作奠定基础。方法]采用田间调查法和室内涂片及石腊切片法，对宁夏枸杞“YX-1”的生殖器官植物学特征、花粉囊中花粉粒形成的多少进行观察研究。结果]宁夏枸杞“YX-1”主要为不完全不育株，并进一步将枸杞雄性不育株育性划分为全不育型、不育I型、不育Ⅱ型3种类型。结论]初步提出了宁夏枸杞雄性不育育性标准。

Study on Fertility Standard of Male Sterility of Lycium chinensis in Ningxia Province

Objective]The experiment aimed to study the Fertility Standard Male Sterility of Lycium chinensis to lay foundation for cross breeding of male sterility of Lycium chinensis.Method] The field investigation,smear preparation and paraffin-section method were used to probe characteristic of botany of reproductive organs and number of pollens developed in anther as well as seed setting rate of Lycium chinensis YX-1 were observed and studied.Result] The Lycium chinensis YX-1 was regarded as incomplete male sterility and it was classified into three kinds of complete sterility type,namely,sterility typeⅠ,sterility typeⅡ and sterility typeⅢ.Conclusion] The fertility standard of male sterility of Lycium chinensis in Ningxia Province was preliminarily proposed.