Virulência de Aphanocladium album (Preuss) Gams e Verticillium lecanii (Zimm.) Viégas (Deuteromycotina: Hyphomycetes) para o Percevejo-de-renda da seringueira, Leptopharsa heveae (Drake & Poor) (Hemiptera: Tingidae)

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dc.contributor.authorNaretto Rangel, Drauzio Eduardo [UNESP]
dc.contributor.authorBarcelos Correia, Antonia do Carmo [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:14:32Z
dc.date.available2014-05-20T13:14:32Z
dc.date.issued2003-12-01
dc.description.abstractThe lace bug, Leptopharsa heveae is an insect that causes serious damage on rubber trees. In laboratory condition, the strains of Verticillium lecanii (ARSEF 6430, 6431 e 6432) and Aphanocladium album (ARSEF 6433) were tested on third-and fifth-instar nymphs and adults of L. heveae to evaluate their virulence using 2.4 x 10(5) and 2.4 x 10(7) conidia/mL. The bioassays were carried out using Petri dishes whose inner bottoms were covered with damp filter papers. Each Petri dish contained five insects and one rubber tree leaflet. The plates were covered with PVC film to provide high relative humidity, maintained at 26 +/- 0.5 degrees C and a photophase of 14 hours. The Probit analysis was calculated from mortality date of insects killed by fungi. In the highest concentrations, ARSEF 6430 was more virulent for third instar nymphs, and the LT50 was 1.9 days. For the fifth instar, the strains ARSEF 6430, 6433 and 6432 showed similar virulence with LT50 of 2.6, 2.6 and 3.2 days, respectively. For adults, ARSEF 6431 was the most virulent strain with the LT50 recorded at 2.0 days. The smallest concentration did not always cause more than 50% mortality.en
dc.description.affiliationUniv Estadual Paulista UNESP, Programa Posgrad Microbiol, Fac Ciências Agr & Vet FCAV, Jaboticabal, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, Dept Fitossanidade, Fac Ciências Agr & Vet, BR-14884900 Jaboticabal, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista UNESP, Programa Posgrad Microbiol, Fac Ciências Agr & Vet FCAV, Jaboticabal, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Fitossanidade, Fac Ciências Agr & Vet, BR-14884900 Jaboticabal, SP, Brazil
dc.format.extent1636-1642
dc.identifierhttp://www.editora.ufla.br/index.php/revistas/ciencia-e-agrotecnologia/artigos-publicados/10-volumes-revista/16-volume-27-numero-e
dc.identifier.citationCiência e Agrotecnologia. Lavras: Univ Federal Lavras-ufla, v. 27, p. 1636-1642, 2003.
dc.identifier.fileWOS000208277200025.pdf
dc.identifier.issn1413-7054
dc.identifier.urihttp://hdl.handle.net/11449/1988
dc.identifier.wosWOS:000208277200025
dc.language.isopor
dc.publisherUniversidade Federal de Lavras (UFLA)
dc.relation.ispartofCiência e Agrotecnologia
dc.relation.ispartofjcr0.672
dc.relation.ispartofsjr0,383
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectHevea brasiliensispt
dc.subjectentomopathogenic fungipt
dc.subjectmicrobial controlpt
dc.titleVirulência de Aphanocladium album (Preuss) Gams e Verticillium lecanii (Zimm.) Viégas (Deuteromycotina: Hyphomycetes) para o Percevejo-de-renda da seringueira, Leptopharsa heveae (Drake & Poor) (Hemiptera: Tingidae)pt
dc.title.alternativeVirulence of Aphanocladium album (Preuss) Gams and Verticillium lecanii (Zimm.) Viegas (Deuteromycotina: Hyphomycetes) on the Rubber Tree Lace bug, Leptopharsa heveae (Drake & Poor) (Hemiptera: Tingidae)en
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/cagro/paboutj.htm#03
dcterms.rightsHolderUniv Federal Lavras-ufla
unesp.author.orcid0000-0001-7188-100X[1]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt

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Artigos - Fitossanidade - FCAV