Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/16477
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dc.contributor.authorGregory, Peter Jen
dc.contributor.authorBengough, A Glynen
dc.contributor.authorGrinev, Dmitrien
dc.contributor.authorSchmidt, Sonjaen
dc.contributor.authorThomas, W T Billen
dc.contributor.authorWojciechowski, Tobiasen
dc.contributor.authorYoung, Iainen
dc.date.accessioned2015-01-14T15:36:00Z-
dc.date.issued2009-
dc.identifier.citationFunctional Plant Biology, 36(11), p. 922-929en
dc.identifier.issn1445-4416en
dc.identifier.issn1445-4408en
dc.identifier.urihttps://hdl.handle.net/1959.11/16477-
dc.description.abstractReliable techniques for screening large numbers of plants for root traits are still being developed, but include aeroponic, hydroponic and agar plate systems. Coupled with digital cameras and image analysis software, these systems permit the rapid measurement of root numbers, length and diameter in moderate (typically <1000) numbers of plants. Usually such systems are employed with relatively small seedlings, and information is recorded in 2D. Recent developments in X-ray microtomography have facilitated 3D non-invasive measurement of small root systems grown in solid media, allowing angular distributions to be obtained in addition to numbers and length. However, because of the time taken to scan samples, only a small number can be screened (typically <10 per day, not including analysis time of the large spatial datasets generated) and, depending on sample size, limited resolution may mean that fine roots remain unresolved. Although agar plates allow differences between lines and genotypes to be discerned in young seedlings, the rank order may not be the same when the same materials are grown in solid media. For example, root length of dwarfing wheat ('Triticum aestivum' L.) lines grown on agar plates was increased by ~40% relative to wild-type and semi-dwarfing lines, but in a sandy loam soil under well watered conditions it was decreased by 24-33%. Such differences in ranking suggest that significant soil environment-genotype interactions are occurring. Developments in instruments and software mean that a combination of high-throughput simple screens and more in-depth examination of root-soil interactions is becoming viable.en
dc.languageenen
dc.publisherCSIRO Publishingen
dc.relation.ispartofFunctional Plant Biologyen
dc.titleRoot phenomics of crops: opportunities and challengesen
dc.typeJournal Articleen
dc.identifier.doi10.1071/FP09150en
dc.subject.keywordsEnvironmental Monitoringen
dc.subject.keywordsTerrestrial Ecologyen
local.contributor.firstnamePeter Jen
local.contributor.firstnameA Glynen
local.contributor.firstnameDmitrien
local.contributor.firstnameSonjaen
local.contributor.firstnameW T Billen
local.contributor.firstnameTobiasen
local.contributor.firstnameIainen
local.subject.for2008060208 Terrestrial Ecologyen
local.subject.for2008050206 Environmental Monitoringen
local.subject.seo2008820501 Barleyen
local.subject.seo2008820507 Wheaten
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailiyoung4@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20150113-090033en
local.publisher.placeAustraliaen
local.format.startpage922en
local.format.endpage929en
local.peerreviewedYesen
local.identifier.volume36en
local.identifier.issue11en
local.title.subtitleopportunities and challengesen
local.contributor.lastnameGregoryen
local.contributor.lastnameBengoughen
local.contributor.lastnameGrineven
local.contributor.lastnameSchmidten
local.contributor.lastnameThomasen
local.contributor.lastnameWojciechowskien
local.contributor.lastnameYoungen
dc.identifier.staffune-id:iyoung4en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:16714en
local.identifier.handlehttps://hdl.handle.net/1959.11/16477en
dc.identifier.academiclevelAcademicen
local.title.maintitleRoot phenomics of cropsen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.search.authorGregory, Peter Jen
local.search.authorBengough, A Glynen
local.search.authorGrinev, Dmitrien
local.search.authorSchmidt, Sonjaen
local.search.authorThomas, W T Billen
local.search.authorWojciechowski, Tobiasen
local.search.authorYoung, Iainen
local.uneassociationUnknownen
local.year.published2009en
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