Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/5627
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dc.contributor.authorBruce, R Jen
dc.contributor.authorLamb, Daviden
dc.contributor.authorMackie, A Men
dc.contributor.authorKorosi, G Aen
dc.contributor.authorPowell, Kevin Sen
dc.date.accessioned2010-04-19T09:51:00Z-
dc.date.issued2009-
dc.identifier.citationActa Horticulturae, v.816, p. 71-80en
dc.identifier.issn0567-7572en
dc.identifier.urihttps://hdl.handle.net/1959.11/5627-
dc.description.abstractIn Australia early detection of grapevine phylloxera ('Daktulosphaira vitifoliae' Fitch) is critical for the sustainability of its viticultural industry which is predominantly planted on phylloxera-susceptible ungrafted 'Vitis vinifera' L. The current range of available early detection methods, including ground surveys and aerial imagery, rely on detection of a 'weak spot' in the vineyard resulting from the expression of non-specific, often non-phylloxera related, plant stress. These methods are costly and labour intensive. Other evolving methods include chemical fingerprinting and soil-based DNA probes. However, there is a need to develop biophysical descriptors that directly indicate the potential susceptibility of vineyards to phylloxera infestation. Quantitative biophysical indicators including vine photosynthetically-active biomass (PAB), soil electrical conductivity (ECa), soil particle-size and soil chemistry have been evaluated for their ability to facilitate targeted and intensified surveillance. Phylloxera monitoring was conducted in infested vineyards in Central Victoria, Australia over two successive growing seasons. Soil ECa was derived using EM38 and PAB was derived using airborne multispectral imaging. Results indicated zones of higher ECa and higher exchangeable aluminium, were associated with higher populations of phylloxera. Further studies are required to quantify the link between phylloxera dispersal and soil parameters, however the results were encouraging for developing a grapevine susceptibility matrix as the basis for an objective monitoring protocol.en
dc.languageenen
dc.publisherInternational Society for Horticultural Scienceen
dc.relation.ispartofActa Horticulturaeen
dc.titleUsing Objective Biophysical Measurements as the Basis of Targeted Surveillance for Detection of Grapevine Phylloxera 'Daktulosphaira vitifoliae' Fitch: Preliminary Findingsen
dc.typeJournal Articleen
dc.subject.keywordsBiological Physicsen
local.contributor.firstnameR Jen
local.contributor.firstnameDaviden
local.contributor.firstnameA Men
local.contributor.firstnameG Aen
local.contributor.firstnameKevin Sen
local.subject.for2008029901 Biological Physicsen
local.subject.seo2008820306 Wine Grapesen
local.subject.seo2008961402 Farmland, Arable Cropland and Permanent Cropland Soilsen
local.subject.seo2008960499 Control of Pests, Diseases and Exotic Species not elsewhere classifieden
local.profile.schoolOffice of Faculty of Science, Agriculture, Business and Lawen
local.profile.schoolSchool of Science and Technologyen
local.profile.emaildlamb@une.edu.auen
local.profile.emailkpowell6@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordpes:7070en
local.publisher.placeBelgiumen
local.format.startpage71en
local.format.endpage80en
local.peerreviewedYesen
local.identifier.volume816en
local.title.subtitlePreliminary Findingsen
local.contributor.lastnameBruceen
local.contributor.lastnameLamben
local.contributor.lastnameMackieen
local.contributor.lastnameKorosien
local.contributor.lastnamePowellen
dc.identifier.staffune-id:dlamben
dc.identifier.staffune-id:kpowell6en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:5760en
dc.identifier.academiclevelAcademicen
local.title.maintitleUsing Objective Biophysical Measurements as the Basis of Targeted Surveillance for Detection of Grapevine Phylloxera 'Daktulosphaira vitifoliae' Fitchen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.relation.urlhttp://www.actahort.org/books/816/816_10.htmen
local.search.authorBruce, R Jen
local.search.authorLamb, Daviden
local.search.authorMackie, A Men
local.search.authorKorosi, G Aen
local.search.authorPowell, Kevin Sen
local.uneassociationUnknownen
local.year.published2009en
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