The dynamic changes of the fruit and ovule weight of four seedless grape cultivars were analyzed,and the effects of different inoculation time on embryo germination were studied.

• 研究了4个无核葡萄品种果实发育过程中；果实及胚珠质量的动态变化情况以及百乐无核葡萄不同接种时期对胚发育和成苗的影响.