【摘要】 本文报道了天津市德国小蠊对残杀威、溴氰菊酯、林丹、敌百虫、敌敌畏、高效氯氰菊酯抗药性测定结果,各区对上述药剂的抗性系数分别是:1.32～3.95、1.07～4.28、3.48～4.19、1.65～5.34、1.45～5.08。天津市部分区的野外品系德国小蠊已对6种杀虫剂产生不同的抗药性,今后在防治蟑螂时应根据抗性水平合理选用药剂。更多还原

【Abstract】 The paper reports the result of resistance determination on propoxur, deltamethrin.gamama - BHC,trichlorphon,dichlorvos high effect cypermethrin with field -collected German Cockroaches in Tianjin. The result showed that the resistance ratios of field - collected in different districts to above - mentioned insecticides are 1. 32 - 3. 95,1. 07 ?4. 28,3. 48 -4. 19,1. 65~5. 34,1. 45 - 5. 08. The German Cockroaches field -collected of some districts in Tianjin have already developed vary resistance to six kimds of insecticides. When German Cockroaches are controlled,the suitable insecticide should be choosed on the base of the resistance rations of the region.更多还原