花粉发育过程做了超微结构观察。 结果表明，在花粉母细胞细线和偶线期，核糖体数量减少、线粒体结构简化；
The results showed that the mother pollen cells presented decreased ribosome numbers at leptotene and zygotene stages, and simplified mitochondria structure;
本论文以正向遗传学的方法研究花药及花粉发育过程的基因功能，主要利用图位克隆的方法从拟南芥雄性不育突变体中克隆相应的基因。
In this dissertation we focused on the function of genes associated with anther and pollen development including map-based cloning of Arabidopsis genes from male sterile mutants.
对绒毡层解体过程孢粉素行为的有关事态及其与花粉发育的关系等问题进行了讨论。
The events of sporopollenin behavior during the process of tapetal disintegration and their relations to pollen development are discussed.
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