【摘要】 本文报告了敌百虫、滴滴畏和速灭菊酯三种农药两两组合和三药混合等毒配比物的急性联合毒性试验,结果均呈相加作用。由中毒症状及胆碱酶酯活性抑制的观察显示,其机制似为各自的独立作用。更多还原

【Abstract】 Acute toxicities of dipterex,dicholrvos andcumicidin were tested on rats.In this study,threekinds of experiments were performed.The resultsindicate:（1）both dipterex and cumicidin are oflow toxicity while dichlorvos is of high or mo-derate toxicity,varying with the sex;（2）additiveeffect of toxicity is observed in all combinationsof any two of the three pesticides;（3）additiveeffect is also found in the combination of thethree pesticides.In addition,different calculationmethods of LD₅₀ were compared and the effectof dilution was discussed.更多还原