Estimates of relative yield potential and genetic improvement of wheat cultivars in the Mediterranean region

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dc.authoridArslan, Mehmet/0000-0002-0530-157X
dc.authoridSOYSAL, YURTSEVER/0000-0003-0871-8570
dc.contributor.authorSener, O.
dc.contributor.authorArslan, M.
dc.contributor.authorSoysal, Y.
dc.contributor.authorErayman, M.
dc.date.accessioned2024-09-18T21:03:14Z
dc.date.available2024-09-18T21:03:14Z
dc.date.issued2009
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractInformation about changes associated with advances in crop productivity is essential for Understanding yield-limiting factors and developing new strategies for future breeding programmes. National bread wheat (Triticum aestivum L.) yields in Turkey have risen by an average of 20.8 kg/ha/year from 1925 to 2006. Annual gain in yield attributable to agronomic and genetic improvement averaged c. 11.6 kg/ha/year prior to 1975, but is now averaging c. 15.1 kg/ha/year. In the Mediterranean region, however, the wheat yield trend line (10.9 kg/ha/year) is c. 0.38 lower than that of Turkey. In order to understand whether such a trend was due to the cultivars released over the years. 16 bread Wheat cultivars, commonly grown in the region and representing 23 years of breeding. introduction and selection (from 1976 to 1999), were grown in a randomized complete block design with three replicates across 2 years. Data were collected on Maturation time, plant height. spike length, spikelet number/spike, grain number/spike, grain weight/spike. 1000 seed weight. harvest index and grain yield. None of the Measured plant traits showed ally historical cultivar patterns therefore, the increase in grain Yield Could not be attributed to a single yield component. Several physiological traits changed during two decades of cultivar releases in the Mediterranean region that led to a genetic gain in grain yield of about 0.5% per year. Years of data and the present field study in the Mediterranean region suggested that the genetic improvement in wheat seemed inadequate and should be reinforced with modern agricultural management practices as well as technological innovations.en_US
dc.identifier.doi10.1017/S0021859609008454
dc.identifier.endpage332en_US
dc.identifier.issn0021-8596
dc.identifier.issn1469-5146
dc.identifier.scopus2-s2.0-69849098354en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage323en_US
dc.identifier.urihttps://doi.org/10.1017/S0021859609008454
dc.identifier.urihttps://hdl.handle.net/20.500.12483/13320
dc.identifier.volume147en_US
dc.identifier.wosWOS:000266340100009en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherCambridge Univ Pressen_US
dc.relation.ispartofJournal of Agricultural Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAtmospheric Carbon-Dioxideen_US
dc.subjectNitrogen-Use Efficiencyen_US
dc.subjectWinter-Wheaten_US
dc.subjectAgronomic Traitsen_US
dc.subjectSpring Wheaten_US
dc.subjectProgressen_US
dc.subjectQualityen_US
dc.titleEstimates of relative yield potential and genetic improvement of wheat cultivars in the Mediterranean regionen_US
dc.typeArticleen_US

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