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The Cytomorphology of Microsporogenesis in Genic Male Sterile A/B Line of Chinese Cabbage (Brassica campestris L. ssp. chinensis Makino var. communis Tsen et Lee)
Wan-Zhi Ye, Jia-Shu Cao*, Xiao-Lin Yu, Hui-Mei Cui, Li Huang, Xun Xiang, Su Tao
Institute of Vegetable Science, Zhejiang University, Hangzhou 310029, China
Abstract: Cytological morphology studies were made in the development of anther and microsporogenesis in A line and B line of Chinese cabbage-pak-choi. In A line， pollen abortion happened in pollen mother cell meiosis stage. The tetrads couldn't be formed in the anther of A line plant， and then the pollen mother cells spread from the center of the anther chamber. With the development of pollen mother cells， the content of the cells leaked， and in the end the pollen mother cells became empty.
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