Genetic identification and biological characterization of Baculovirus isolated from Helicoverpa armigera (Lepidoptera: Noctuidae) in Brazil.

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dc.contributorVictor Hugo Duarte da Costa, Universidade Federal dos Vales do Jequitinhonha e Mucuri; Marcus Alvarenga Soares, Universidade Federal dos Vales do Jequitinhonha e Mucuri; Francisco Andrés Rodriguez Dimate, Universidade Federal de Viçosa; Veríssimo Gibran Mendes de Sá, Universidade Federal de Viçosa; José Cola Zanuncio, Universidade Federal de Viçosa; FERNANDO HERCOS VALICENTE, CNPMS.
dc.creatorCOSTA, V. H. D. da
dc.creatorSOARES, M. A.
dc.creatorDIMATE, F. A. R.
dc.creatorSÁ, V. G. M. de
dc.creatorZANUNCIO, J. C.
dc.creatorVALICENTE, F. H.
dc.date2019-07-06T01:05:21Z
dc.date2019-07-06T01:05:21Z
dc.date2019-07-05
dc.date2019
dc.date2020-01-24T11:11:11Z
dc.date.accessioned2026-07-07T05:23:31Z
dc.descriptionHelicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) larvae are polyphagous, aggressive, and have been found in many of Brazil?s agricultural areas. Biological control with baculoviruses is part of an integrated pest management (IPM) strategy to manage this insect. Three isolates of nucleopolyhedrovirus (NPV) were collected from Brazilian populations of H. armigera, and compared genetically and biologically to Gemstar® (an imported nucleopolyhedrovirus), and to Nucleopolyedrovirus spodoptera (SPNPV) that was passed serially through H. armigera. Genetic sequencing of lef-8 and lef-9 genes revealed that the Brazilian isolates were closely related to nucleopolyhedrovirus species from Australia, South Africa, China, and India. The isolates caused high mortality rates in third instar H. armigera larvae. The mean lethal dose (LD50) and lethal time (LT50) differed between isolates, but was highest for HearNPV-BR2. This is the first report of HearNPV in Brazil, and the insecticidal properties of the BR2 isolate support its potential use in the production of biopesticides to manage H. armigera in Brazil.
dc.identifierFlorida Entomologist, v. 102, n. 1, p. 59-64, 2019.
dc.identifierhttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1110397
dc.identifier10.1653/024.102.0109
dc.identifier.urihttp://hdl.handle.net/123456789/489615
dc.languageeng
dc.rightsopenAccess
dc.subjectNucleopoliedrovírus
dc.subjectTransmissão vertical
dc.subjectAdaptação de bacuvírus
dc.subjectControle Biológico
dc.titleGenetic identification and biological characterization of Baculovirus isolated from Helicoverpa armigera (Lepidoptera: Noctuidae) in Brazil.
dc.typeArtigo de periódico

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