Ultrastructural changes in the process of the microspore and anther development of Pingxiang Dominant Genic Male Sterile Rice (PxDGMSR) were studied by the electron-microscope in the thesis.

• 摘要利用电镜技术对萍乡显性核不育水稻可育株和不育株花粉形成及发育过程和药壁组织的基本结构及其发育进行了研究。