关键词: 8%硼酸杀蟑胶饵, 蜚蠊, 杀灭效果

Abstract: Objective To determine the efficacy of 8% Boracic Acid gel bait against cockroaches in the lab and the field.Methods Experiment were carried out in the lab and the field.Results After treatment for three days,the cockroaches in the lab were all dead,and they were all dead in the field after treatment for four days.The LT₅₀ were 1.21 d and 1.43 d,respectively.The cockroach density was 66.25/15 min before the use of bait in the field,and the mortality were 80.4%,84.2%,92.4% and 99.6% after application for 1 d,2 d,3 d and 5 d,respectively.Its mortality reached the peak at the first three days.The mortality was 93.0% at the third day after application.Conclusion 8% Boracic Acid gel bait could control cockroach effectively and should be generalized.