Irradiation of Ecdytolopha aurantiana (Lepidoptera: Tortricidae) pupae in oxygen requires a lower dose to strongly reduce adult emergence and prevent reproduction than irradiation in air

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dc.contributor.authorARTHUR, VALTER
dc.contributor.authorARTHUR, PAULA B.
dc.contributor.authorMACHI, ANDRE R.
dc.coverageInternacionalpt_BR
dc.date.accessioned2017-03-16T18:05:39Z
dc.date.available2017-03-16T18:05:39Z
dc.date.issued2016pt_BR
dc.description.abstractThe purpose of this research was to determine if γ-irradiation of lepidopteran pupae in oxygen would have a greater effect in either preventing adult emergence or in the successful development of F1 life stages than γ-irradiation of pupae in air. Pupae of the citrus fruit borer, Ecdytolopha aurantiana (Lima) (Lepidoptera: Tortricidae), were irradiated in either 100% oxygen or in normal air. In each experiment, thirty 10 d-old pupae of E. aurantiana in each of 4 replicates were treated with either 0, 100, 200 or 300 Gy of γ radiation. After irradiation the percent emergence of adults, and the percent viability of F1 eggs and larvae were compared with the corresponding results of irradiation in air. The results showed that irradiation of the pupae in pure oxygen significantly reduced the adult emergence and egg hatch compared to irradiation of the pupae in air. Thus irradiation in oxygen of pupae with 300 Gy completely prevented emerged adults from producing eggs. Therefore, irradiation of E. aurantiana pupae with 300 Gy in oxygen is a viable candidate as a phytosanitary treatment. In contrast, irradiation in air of pupae with 300 Gy resulted in 5% egg hatch, although 100% of these larvae died as first or second instars. Therefore based on the criterion of 100% mortality of F1 larvae, 300 Gy in air can also be considered to be a viable candidate for a phytosanitary treatment. These results indicate that the dose required for (PI) treatment may be reduced by increasing the oxygen gas content in fruit packages or containers.pt_BR
dc.format.extent38-42pt_BR
dc.identifier.citationARTHUR, VALTER; ARTHUR, PAULA B.; MACHI, ANDRE R. Irradiation of Ecdytolopha aurantiana (Lepidoptera: Tortricidae) pupae in oxygen requires a lower dose to strongly reduce adult emergence and prevent reproduction than irradiation in air. <b>Florida Entomologist</b>, v. 99, p. 38-42, 2016. special issue 2. Disponível em: http://repositorio.ipen.br/handle/123456789/27204.
dc.identifier.issn0015-4040pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0003-3521-9136
dc.identifier.percentilfi48.92
dc.identifier.suplementospecial issue 2pt_BR
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/27204
dc.identifier.vol99pt_BR
dc.relation.ispartofFlorida Entomologistpt_BR
dc.rightsopenAccesspt_BR
dc.subjectirradiation
dc.subjectpupae
dc.subjectfruits
dc.subjectgamma radiation
dc.subjectair
dc.subjectgamma dosimetry
dc.subjectdosemeters
dc.titleIrradiation of Ecdytolopha aurantiana (Lepidoptera: Tortricidae) pupae in oxygen requires a lower dose to strongly reduce adult emergence and prevent reproduction than irradiation in airpt_BR
dc.typeArtigo de periódicopt_BR
dspace.entity.typePublication
ipen.autorANDRE RICARDO MACHI
ipen.autorVALTER ARTHUR
ipen.codigoautor10272
ipen.codigoautor2635
ipen.contributor.ipenauthorANDRE RICARDO MACHI
ipen.contributor.ipenauthorVALTER ARTHUR
ipen.date.recebimento17-03pt_BR
ipen.identifier.fi0.964pt_BR
ipen.identifier.ipendoc23551pt_BR
ipen.identifier.iwosWoSpt_BR
ipen.range.fi0.001 - 1.499
ipen.range.percentilfi25.00 - 49.99
ipen.type.genreArtigo
relation.isAuthorOfPublicationd97e3c54-0a03-4869-93f3-f4f72b92915d
relation.isAuthorOfPublication80bde657-7473-474e-a9ff-8cc6724272e9
relation.isAuthorOfPublication.latestForDiscovery80bde657-7473-474e-a9ff-8cc6724272e9
sigepi.autor.atividadeARTHUR, VALTER:2635:-1:Spt_BR
sigepi.autor.atividadeMACHI, ANDRE R.:10272:-1:Npt_BR
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