Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/6858
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dc.contributor.authorLakhesar, Dalvinder Pal Singhen
dc.contributor.authorBackhouse, Daviden
dc.contributor.authorKristiansen, Paulen
dc.date.accessioned2010-11-11T12:46:00Z-
dc.date.issued2010-
dc.identifier.citationAnnals of Applied Biology, 157(1), p. 91-98en
dc.identifier.issn1744-7348en
dc.identifier.issn0003-4746en
dc.identifier.urihttps://hdl.handle.net/1959.11/6858-
dc.description.abstractDisplacement of pathogenic 'Fusarium' species from cereal residues by other fungi is an important mechanism for the effectiveness of fallows and crop rotations on disease management, as well as in potential biological control. The effect of fluctuating environmental conditions on the rate of displacement was assessed using two different approaches. In the first, wetness durations between 4 and 10 h were simulated by spraying water onto straw inoculated with 'Fusarium pseudograminearum' and antagonists in a greenhouse. For a given cumulative period of wetness, displacement of 'F. pseudograminearum' was generally higher for short (4 h) than longer (10 h) wetting durations, indicating that it was the number of wetting events, rather than their individual durations, that determined the rate of displacement. In the second approach, exponential decay models using thermal time adjusted for rainfall were fitted to published data on survival of Fusarium species in residues. Heat sums calculated from the mean temperature of days on which rain fell, or rainday-degrees (RDD), gave good fits to data from short-term experiments on displacement of 'F. pseudograminearum' by antagonists under natural conditions. RDD and two other indices, decomposition days (DCD) and corrected degree-days (CDD), were equally satisfactory for modelling straw decomposition and mortality of 'Fusarium' in longer term data sets. Such models could be useful for predicting the effects of environmental variation on rotations and biocontrol for 'Fusarium' management in cereals.en
dc.languageenen
dc.publisherWiley-Blackwell Publishing Ltden
dc.relation.ispartofAnnals of Applied Biologyen
dc.titleAccounting for periods of wetness in displacement of 'Fusarium pseudograminearum' from cereal strawen
dc.typeJournal Articleen
dc.identifier.doi10.1111/j.1744-7348.2010.00413.xen
dcterms.accessRightsUNE Greenen
dc.subject.keywordsCrop and Pasture Protection (Pests, Diseases and Weeds)en
local.contributor.firstnameDalvinder Pal Singhen
local.contributor.firstnameDaviden
local.contributor.firstnamePaulen
local.subject.for2008070308 Crop and Pasture Protection (Pests, Diseases and Weeds)en
local.subject.seo2008820507 Wheaten
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emaildalvinder.lakhesar@deedi.qld.gov.auen
local.profile.emaildbackhou@une.edu.auen
local.profile.emailpkristi2@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20101108-160558en
local.publisher.placeUnited Kingdomen
local.format.startpage91en
local.format.endpage98en
local.identifier.scopusid77953765280en
local.peerreviewedYesen
local.identifier.volume157en
local.identifier.issue1en
local.access.fulltextYesen
local.contributor.lastnameLakhesaren
local.contributor.lastnameBackhouseen
local.contributor.lastnameKristiansenen
dc.identifier.staffune-id:dsingh3en
dc.identifier.staffune-id:dbackhouen
dc.identifier.staffune-id:pkristi2en
local.profile.orcid0000-0003-0663-6002en
local.profile.orcid0000-0003-2116-0663en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:7019en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleAccounting for periods of wetness in displacement of 'Fusarium pseudograminearum' from cereal strawen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.search.authorLakhesar, Dalvinder Pal Singhen
local.search.authorBackhouse, Daviden
local.search.authorKristiansen, Paulen
local.open.fileurlhttps://rune.une.edu.au/web/retrieve/847f811d-4fd2-4066-8664-3c765d705f4ben
local.uneassociationUnknownen
local.identifier.wosid000278913900009en
local.year.published2010en
local.fileurl.openhttps://rune.une.edu.au/web/retrieve/847f811d-4fd2-4066-8664-3c765d705f4ben
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School of Environmental and Rural Science
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