【摘要】 目的筛选木材防白蚁药物。方法浸泡法与接触法。结果经10%二氯苯醚菊酯浸渍的松木板处理台湾乳白蚁(Coptotermesformosanus),表现出较强的毒杀作用,24、48、72h的LC50分别为83.02、27.44、7.94ppm,LC95分别为1016.99、444.31、170.27ppm。结论10%二氯苯醚菊酯对台湾乳白蚁具有良好的毒杀作用,是木材预防白蚁的理想药剂。更多还原

【Abstract】 Objective To test the effectiveness of 10% permethrin Sc against termites. Methods Absolving the wood with 10% permethrin and contacting method. Results The efficacy of 10% permethrin against Coptotermes formosanus was better. The LC 50 values for 24 h, 48 h and 72 h were 83.02 , 27.44 and 7.94 ppm , respectively. The LC 95 values for 24 h , 48 h and 72 h were 1 016.99 , 444.31 and 170.27 ppm , respectively. Conclusion It was indicated that 10% permethrin Sc could be an effective insecticide for wood termites control.更多还原