侵入阻止法在卫生驱螨剂药效测试中的应用

Application of entry blocking method in mite repellents bioassay

目的探索侵入阻止法在农药登记用卫生杀虫剂室内药效测试中的应用。方法分别应用侵入阻止法和行标法对香叶醇液体防螨制剂A、B、C进行驱螨药效测试。结果侵入阻止法对5%、0.5%和0.05%驱螨剂3次重复试验数据的变异系数分别为0.21%、1.69%和2.07%,24 h平均驱螨率分别为97.81%、77.14%、45.66%。行标法测试5%、0.5%和0.05%驱螨剂的驱螨率分别为88.56%、84.49%和43.34%,变异系数分别为9.09%、8.77%和8.37%。结论侵入阻止法测试数据的稳定性和重复性均比行标法的好,说明侵入阻止法的测试结果更准确可靠,能有效评价卫生防螨产品的驱螨效果。

Objective To study the application of entry blocking method in mite repellents efficacy test in the laboratory. Methods The repellency effects of samples with 5%,0. 5% and 0. 05% active repellent ingredient were determined with both entry blocking method and the method of industry standard. Results The result of the entry blocking method showed that the repellent activities of 5%,0. 5% and 0. 05% samples were 97. 81%,77. 14% and45. 66% with the variation coefficients of 0. 21%,1. 69% and 2. 07% respectively,while the method of industry standard showed the repellent activities of 88. 56%,84. 49% and 43. 34% with the variation coefficients of 9. 09%,8. 77% and 8. 37% respectively. Conclusion The entry blocking method can effectively evaluate mite repellent efficacy with high efficiency and accuracy.