enetic studies were carried out on susceptible laboratory strains and field resistant strains of Rhyzopertha dominica and Sitophilus oryzae.

• 本文就谷蠹Rhyzoperthadominica和米象Sitophilusoryzae对磷化氢的抗性遗传进行了研究，分别对两个种的实验室敏感品系和粮仓现场采集的抗性品系作为亲本进行杂交。