With 5 male sterile lines in Brassica napus L. as materials, the development of buds and stamens and pistils of male sterile lines in B. napus L. were researched and maked a comparison with the control group.

• 摘要以5种不同类型甘蓝型油菜雄性不育系为材料，以保持系作对照，对甘蓝型油菜雄性不育系的花蕾及雌雄蕊干物质变化动态进行了研究。