Barci Leila A G, Wenzel Inajá M, de Almeida José Eduardo M, de Campos Nogueira Adriana H, do Prado Angelo P
Centro de Pesquisa e Desenvolvimento de Sanidade Animal-CPDSA, Instituto Biológico, Av. Conselheiro Rodrigues Alves 1.252, CEP 04.014-002, São Paulo-SP, Brazil.
Rev Bras Parasitol Vet. 2009 Dec;18 Suppl 1:63-8. doi: 10.4322/rbpv.018e1012.
The purpose of the present study was to assess compatibility between IBCB66 and IBCB21 isolates of Beauveria bassiana and acaricides: Flumethrin+Coumaphos, Deltamethrin, Dichlorvos+Cypermethrin, Dichlorvos+Chlorpyrifos, Cypermethrin High Cis, Dichlorvos+Cypermethrin High Cis, Cypermethrin and Amitraz, utilized on the control of Rhipicephalus (Boophilus) microplus in our country. The effect of commercial products on the isolates was assayed according to observation of vegetative growth, conidia production, and viability of strains of B. bassiana fungus. With concerning about IBCB66 isolate, products Deltamethrin, Cypermethrin High Cis and Amitraz were compatible, not affecting the entomopathogen development. Product Cypermethrin was toxic, and products Flumethrin+Coumaphos, Dichlorvos+Cypermethrin, Dichlorvos+Chlorpyrifos and Dichlorvos+Cypermethrin High Cis were very toxic. In regard to IBCB21 isolate, products Flumethrin+Coumaphos, Dichlorvos+Cypermethrin, Dichlorvos+Chlorpyrifos, Cypermethrin High Cis, Dichlorvos+Cypermethrin High Cis and Cypermethrin were very toxic and product Amitraz was toxic. From the acaricides evaluated, product Deltamethrin was the single agent that did not produce toxic effect on the entomopathogen.
本研究的目的是评估球孢白僵菌的IBCB66和IBCB21分离株与杀螨剂之间的相容性:氟氯氰菊酯+蝇毒磷、溴氰菊酯、敌敌畏+氯氰菊酯、敌敌畏+毒死蜱、高顺式氯氰菊酯、敌敌畏+高顺式氯氰菊酯、氯氰菊酯和双甲脒,这些杀螨剂用于我国微小牛蜱的防治。根据球孢白僵菌真菌菌株的营养生长、分生孢子产生和活力观察,测定了商业产品对分离株的影响。对于IBCB66分离株,溴氰菊酯、高顺式氯氰菊酯和双甲脒产品具有相容性,不影响昆虫病原体的发育。氯氰菊酯产品有毒,氟氯氰菊酯+蝇毒磷、敌敌畏+氯氰菊酯、敌敌畏+毒死蜱和敌敌畏+高顺式氯氰菊酯产品剧毒。对于IBCB21分离株,氟氯氰菊酯+蝇毒磷、敌敌畏+氯氰菊酯、敌敌畏+毒死蜱、高顺式氯氰菊酯、敌敌畏+高顺式氯氰菊酯和氯氰菊酯产品剧毒,双甲脒产品有毒。在所评估的杀螨剂中,溴氰菊酯产品是唯一对昆虫病原体没有产生毒性作用的药剂。