利用光学和电子显微镜对玉米C型胞质雄性不育系和保持系的花药与小孢子发育过程进行对比观察。
The development processes of anthers and microspores of C-cytoplasmic male-sterile lines and its maintainers in corn were observed and compared by the light and the electron microscope.
马铃薯花药中的造孢细胞产生3 ~ 4层时，进而变成小孢子母细胞。
When sporogenous cells in potato anther produced 3-4 layers they became microsporocytes.
小孢子发育过程涉及花药发育到花粉粒成熟过程中一系列基因的表达。
The expressions of a series of genes are involved in the anther and pollen development.
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