Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/19719
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dc.contributor.authorGregg, Peteren
dc.contributor.authorHenderson, Georgeen
dc.contributor.authordel Socorro, Aliceen
dc.contributor.authorLe Mottee, Kristianen
dc.contributor.authorBirchall, Craigen
dc.date.accessioned2016-12-14T16:16:00Z-
dc.date.issued2016-
dc.identifier.citationAustral Ecology, 41(7), p. 819-828en
dc.identifier.issn1442-9993en
dc.identifier.issn1442-9985en
dc.identifier.urihttps://hdl.handle.net/1959.11/19719-
dc.description.abstractWe investigated potential primary hosts for 'Helicoverpa punctigera', a polyphagous lepidopteran pest which affects many crops, but also has many native hosts in non-cropping regions of inland Australia. The most common hosts are Asteraceae and Fabaceae, but there is little information on the relative importance of different species in these families for the population dynamics of 'H. punctigera' in the inland. We tested three common hosts, one legume ('Cullen cinereum') and two daisies, 'Rhodanthe floribunda' and 'Polycalymma stuartii', for their suitability for survival and growth of early instar larvae. Survival was high on the flowers of all three species, and on the leaves of 'C. cinereum' and 'R. floribunda', but low on leaves of P. stuartii. There were significant differences in growth rates, measured by head widths, in the order of 'C. cinereum'>'R. floribunda'>'P. stuartii', and flowers>leaves. They were strongly correlated with nitrogen content, measured by fresh weight. Field surveys of larval populations in westernQueensland indicated that two legume species, 'C. cinereum' and 'Cullen pallidum', were widely utilized and supported many larvae. Daisies were generally less widely used and/or had lower numbers of larvae. When 'C. cinereum' or 'C. pallidum' was found near daisies, the legume had more larvae if both the daisy and the legume were flowering, but this was reversed if only the daisy was flowering. The seasonality and habitats of the daisies and legumes are different. 'C. cinereum' and 'C. pallidum' (a new host record for 'H. punctigera') may be primary hosts of 'H. punctigera' in inland Australia and key hosts for maintaining populations in flood plains. However the areas occupied by daisies can be more extensive depending on rainfall, and some species may be critical in generating outbreaks that affect cropping areas in southeast Australia.en
dc.languageenen
dc.publisherWiley-Blackwell Publishing Asiaen
dc.relation.ispartofAustral Ecologyen
dc.titlePolyphagy in an uncertain environment: 'Helicoverpa punctigera' in inland Australiaen
dc.typeJournal Articleen
dc.identifier.doi10.1111/aec.12374en
dc.subject.keywordsCrop and Pasture Protection (Pests, Diseases and Weeds)en
local.contributor.firstnamePeteren
local.contributor.firstnameGeorgeen
local.contributor.firstnameAliceen
local.contributor.firstnameKristianen
local.contributor.firstnameCraigen
local.subject.for2008070308 Crop and Pasture Protection (Pests, Diseases and Weeds)en
local.subject.seo2008820301 Cottonen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailpgregg@une.edu.auen
local.profile.emailghenders@une.edu.auen
local.profile.emailadelsoc2@une.edu.auen
local.profile.emailklemotte@une.edu.auen
local.profile.emailcbirchal@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20161101-155534en
local.publisher.placeAustraliaen
local.format.startpage819en
local.format.endpage828en
local.identifier.scopusid84991666631en
local.peerreviewedYesen
local.identifier.volume41en
local.identifier.issue7en
local.title.subtitle'Helicoverpa punctigera' in inland Australiaen
local.contributor.lastnameGreggen
local.contributor.lastnameHendersonen
local.contributor.lastnamedel Socorroen
local.contributor.lastnameLe Motteeen
local.contributor.lastnameBirchallen
dc.identifier.staffune-id:pgreggen
dc.identifier.staffune-id:ghendersen
dc.identifier.staffune-id:adelsoc2en
dc.identifier.staffune-id:klemotteen
dc.identifier.staffune-id:cbirchalen
local.profile.orcid0000-0001-7534-3567en
local.profile.orcid0000-0001-5496-1155en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:19909en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitlePolyphagy in an uncertain environmenten
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.search.authorGregg, Peteren
local.search.authorHenderson, Georgeen
local.search.authordel Socorro, Aliceen
local.search.authorLe Mottee, Kristianen
local.search.authorBirchall, Craigen
local.uneassociationUnknownen
local.identifier.wosid000386750500010en
local.year.published2016en
local.fileurl.closedpublishedhttps://rune.une.edu.au/web/retrieve/0a33ce58-d843-4436-bfb9-be407477b34cen
local.subject.for2020300409 Crop and pasture protection (incl. pests, diseases and weeds)en
local.subject.for2020310307 Population ecologyen
local.subject.seo2020260602 Cottonen
local.codeupdate.date2022-04-01T13:09:09.766en
local.codeupdate.epersoncbirchal@une.edu.auen
local.codeupdate.finalisedtrueen
local.original.for2020300409 Crop and pasture protection (incl. pests, diseases and weeds)en
local.original.seo2020260602 Cottonen
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