The compare of bagging effect on seed. fertility and development was conducted. The results show:1) Bagging with whether kraft bag or parchment bag can reduce seed fertility significantly.

• 通过不同套袋处理方式比较表明:()用牛皮纸和羊皮纸套袋,都显著降低自交结实率,因而不宜直接作为水稻育性鉴定指标。