We summarized the chemical and physical characters of chlorpyrifos.The action character and control efficiency of chlorpyrifos on rice pest insects were special introduced in this paper.

• 概述了毒死蜱的理化性质、作用特点,并着重介绍了毒死蜱系列药剂在水稻上登记情况及对水稻害虫的防治效果。