Through many times of the experiment, products of comparative pure spore powder of Beauveria bassiana have successfully been obtained from the rice as culture medium.

• 用大米做培养基生产白僵菌,经多次实验,成功地从大米培养基产品上得到了比较纯净的白僵菌孢子粉产品,即白僵菌纯孢产品。