During the first 10 days after pollination, kernel had the highest sprouting speed, the highest moisture content, the least volume and compose of protein and soluble sugar was very fast.

• 授粉后前10天籽粒灌浆速率最快，含水率最高，体积最小，蛋白质、可溶性糖合成迅速，其百分含量可达整个灌浆过程的最高含量，而籽粒的干物质含量、脂肪百分含量、淀粉百分含量则是整个灌浆过程中的最低值。