The results showed the effect of chlopyrifos-methyl(10ppm)werecompared to malathion(30ppm)in controlling Sitophilus Oryzae(L),Sitophilus Zeamais Motschulsky and Rhyzopertha dominica (F).

• 试验证明,甲基毒死蜱10ppm 与防虫磷30ppm 相比:对于防治米象、玉米象,谷蠹效果相当;