Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/91832
Type: Artigo de periódico
Title: Selection Of Isolates Of Entomopathogenic Fungus Beauveria Bassiana (ascomycetes: Clavicipitaceae) For Control Of Rhipicephalus (boophilus) Microplus (acari: Ixodidae) [seleção De Isolados Do Fungo Entomopatogênico Beauveria Bassiana (ascomycetes: Clavicipitaceae) Para O Controle De Rhipicephalus (boophilus) Microplus (acari: Ixodidae)]
Author: Barci L.A.G.
de Almeida J.E.M.
de Campos Nogueira A.H.
Zappelini L.O.
do Prado A.P.
Abstract: This study was carried out to select isolates of the entomopathogenic fungus Beauveria bassiana with pathogenic potential to control the Rhipicephalus (Boophilus) microplus tick. The effectiveness of thirty isolates was first tested at a concentration of 5 × 108 conidia.mL-1. Of these, eight were evaluated (IBCB01, IBCB02, IBCB07, IBCB17, IBCB21, IBCB74, IBCB149, IBCB165) and showed an effectiveness between 90 and 99%; thirteen (IBCB03, IBCB14, IBCB16, IBCB24, IBCB95, IBCB97, IBCB102, IBCB141, IBCB146, IBCB147, IBCB150, IBCB154, IBCB157) between 80 and 89,5%; six (IBCB47, IBCB75, IBCB84, IBCB145, IBCB161, IBCB164) between 70 and 79%, and only two (IBCB13 and IBCB143) had lower pathogenicity (70% or below). In the second step of the study, the five more effective strains in the first phase of the experiment (IBCB01, IBCB07, IBCB21, IBCB66, IBCB165) were analyzed comparatively. Based on in vitro results, it can be concluded that IBCB66 and IBCB21 are the isolates with higher potential for field control of R. (B.) microplus. IBCB01, IBCB07, IBCB21, IBCB66 e IBCB165 isolates were submitted to a conidial production test using a rice-based substrate. The best mass production of the entomopathogenic fungus was obtained with the IBCB66 strain.
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-72249097954&partnerID=40&md5=14e123e10cb23d18fc7c36879ead99ae
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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