]*>","")" /> Morphological Studies on the Development of Anther of Three Ogura Cytoplasmic Male Sterile Lines and Their Maintainer Lines of Brassica rapa L.ssp.
Xinjiang Agricultural Sciences

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Morphological Studies on the Development of Anther of Three Ogura Cytoplasmic Male Sterile Lines and Their Maintainer Lines of Brassica rapa L.ssp.

WANG Shu-qiang;LIU Jun-ying;CUI Hui-mei   

  • Received:2011-06-25 Revised:2011-06-25 Online:2011-06-25 Published:2011-06-25

大白菜Ogura雄性不育系及保持系花药发育的细胞学观察

王书强;刘俊英;崔辉梅   

  1. 石河子大学农学院,新疆,石河子,932003





摘要： [目的]研究3个大白菜Ogura雄性不育系及保持系花药小抱子发育过程.[方法]对3对大白菜Ogura雄性不育系及其保持系花药发育进行细胞学观察.[结果]3个大白菜Ogura雄性不育系(OBY,OBK,OD5)的小孢子败育均发生在单核早期,在开花前完全败育.[结论]不育系绒毡层液泡化早于保持系,花粉母细胞减数分裂时不育系绒毡层细胞已开始退化,而保持系(BY,BK,D5)绒毡层自然解体,供给小孢子发育所需的营养物质和发育空间.