Male sterility of pear cultivars of Niitaka, Atago and Housui (CK) and the features of their anther were examined, and the pollen grains per anther and pollen germination rates were investigated.

• 摘要为研究梨雄性不育表现和细胞学特征，观察分析了新高、爱宕和丰水（对照）梨花器官特征、花粉数量和育性，比较了花药和小孢子发育过程的细胞学特征。