Possible heat-tolerant wheat cultivar improvement through the use of flag leaf gas exchange traits in a Mediterranean environment

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dc.authoridBarutcular, Celaleddin/0000-0003-3583-9191
dc.authoridTiryakioglu, Murat/0000-0002-0987-1801
dc.contributor.authorKoc, Muejde
dc.contributor.authorBarutcular, Celaleddin
dc.contributor.authorTiryakioglu, Murat
dc.date.accessioned2024-09-18T20:06:11Z
dc.date.available2024-09-18T20:06:11Z
dc.date.issued2008
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractBACKGROUND: Flag leaf traits arc associated with performance of wheat (Ttiticum aestivum L.) genotypes in heat-stress environments. Fifteen cultivars were evaluated during 3 years with two sowing dates under irrigated conditions so as to examine the relationship between the flag leaf traits and performance in a Mediterranean environment. RESULTS: It became possible to assess a heat susceptibility index (HSI) for each cultivar by altering the sowing date, exposing the crops to different temperatures. The cultivars showed significant differences for all measured traits except canopy temperatures and chlorophyll fluorescence, though not all were consistent. Excluding two cultivars that differed in development, yield, grain number, harvest index and leaf A(n) (net CO2 assimilation rate), g(s) (stomatal conductance to water vapor), m(c) (apparent mesophyll conductance of CO2) and ash content were negatively associated with HSI, whereas leaf area and width were positively associated. Traits showing the best correlation with HSI were A(n), followed by area, g(s), m(c), width and ash content. High A(n) was associated with smaller leaf size. CONCLUSION: It is worthwhile to select high car grain number and harvest index. In addition, flag leaf gas exchange traits and ash content can be used as complementary selection criteria after the possible pleiotropic associations of these traits with leaf size are clarified. (c) 2008 Society of Chemical Industry.en_US
dc.identifier.doi10.1002/jsfa.3261
dc.identifier.endpage1647en_US
dc.identifier.issn0022-5142
dc.identifier.issn1097-0010
dc.identifier.issue9en_US
dc.identifier.scopus2-s2.0-46049118273en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1638en_US
dc.identifier.urihttps://doi.org/10.1002/jsfa.3261
dc.identifier.urihttps://hdl.handle.net/20.500.12483/8359
dc.identifier.volume88en_US
dc.identifier.wosWOS:000257176500021en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofJournal of The Science of Food and Agricultureen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectbread wheaten_US
dc.subjecthigh-temperature toleranceen_US
dc.subjectyield componentsen_US
dc.subjectleaf photosynthetic traitsen_US
dc.titlePossible heat-tolerant wheat cultivar improvement through the use of flag leaf gas exchange traits in a Mediterranean environmenten_US
dc.typeArticleen_US

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