Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/962559
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dc.contributor.authorDEQUECH, S. T. B.pt_BR
dc.contributor.authorCAMERA, C.pt_BR
dc.contributor.authorSTURZA, V. S.pt_BR
dc.contributor.authorRIBEIRO, L. do P.pt_BR
dc.contributor.authorQUERINO, R. B.pt_BR
dc.contributor.authorPONCIO, S.pt_BR
dc.date.accessioned2013-07-22T11:11:11Zpt_BR
dc.date.available2013-07-22T11:11:11Zpt_BR
dc.date.created2013-07-22pt_BR
dc.date.issued2013pt_BR
dc.identifier.citationActa Scientiarum. Agronomy, Maringá, v. 35, n. 3, p. 295-300, July-Sept. 2013.pt_BR
dc.identifier.issn1679-9275pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/962559pt_BR
dc.descriptionThis study aimed to evaluate the fluctuation of S. frugiperda eggs and natural parasitism by Trichogramma and identify and quantify parasitoid species in maize fields in the state of Rio Grande do Sul, Brazil. Surveys were carried out in two growing seasons: in 2006/2007 we assessed one growing season (late sowing) in Santa Maria, and in 2007/2008 we assessed two growing seasons (early and late sowing) in Santa Bárbara do Sul. Daily air temperature and rainfall were recorded at both locations. In each evaluation, entire plants were examined for the presence or absence of S. frugiperda egg masses, which were analyzed for larvae hatching or parasitoid emergence. The number of S. frugiperda eggs is higher between 8 and 30 days after plant emergence, decreasing in the later stages of maize growth; the occurrence of parasitoids begins about two days after pest egg occurrence; S. frugiperda egg parasitism is low; and eggs are parasitized by Trichogramma pretiosum and Trichogramma atopovirilia, with marked predominance of the first and possible occurrence of both parasitoid species in the same egg mass.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectLagarta-do-cartuchopt_BR
dc.subjectFall armywormpt_BR
dc.titlePopulation fluctuation of Spodoptera frugiperda eggs and natural parasitism by Trichogramma in maize.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2014-07-16T11:11:11Zpt_BR
dc.subject.thesagroControle biológicopt_BR
dc.subject.thesagroZea mayspt_BR
dc.subject.nalthesaurusBiological controlpt_BR
dc.subject.nalthesaurusNoctuidaept_BR
dc.subject.nalthesaurusTrichogrammatidaept_BR
riaa.ainfo.id962559pt_BR
riaa.ainfo.lastupdate2014-07-16pt_BR
dc.identifier.doi10.4025/actasciagron.v35i3.16769pt_BR
dc.contributor.institutionSônia Thereza Bastos Dequech, Universidade Federal de Santa Maria; Cátia Camera, Universidade Federal de Santa Maria; Vinícius Soares Sturza, Universidade Federal de Santa Maria; Leandro do Prado Ribeiro, ESALQ; RANYSE BARBOSA QUERINO DA SILVA, CPAMN; Sônia Poncio, Universidade Federal de Santa Maria.pt_BR
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