Genetic diversity evaluations in Turkish onion (Allium cepa L.) genotypes: principal component analyses (PCA) for breeding strategies

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dc.contributor.authorHanci, F.
dc.contributor.authorGokce, A. F.
dc.contributor.editorGokce, AF
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2016
dc.departmentNiğde ÖHÜ
dc.description7th International Symposium on Edible Alliaceae -- MAY 21-25, 2015 -- Nigde, TURKEY
dc.description.abstractSustainable plant breeding relies on available germplasm and genetic diversity. Analysis of genetic diversity in germplasm collection aids in classification of genotypes and identification of core collections with possible utility for specific breeding strategies. In the present study, principal component analysis (PCA) was used to evaluate resources of variation among some Turkish onion (Allium cepa L.) genotypes. Onion germplasm covering 96 accessions collected from different regions of Turkey were evaluated for 31 quantitative traits through principal component analyses. According to PCA results, eigenvalue was maximum in PC-I (7.74) followed by PC-II (3.25) and PC-III (2.33). Total variance percentage was maximum in PC-I (24.98) followed by PC-II (10.50) and PC-III (7.52). The first nine PCs with Eigen values >1 contributed 71.84% of the variability amongst accessions. The characters contributing more positively with PC1 were the bulb weight (0.33) and diameter of the pseudostem (0.30).
dc.description.sponsorshipInt Soc Hort Sci
dc.identifier.doi10.17660/ActaHortic.2016.1143.33
dc.identifier.endpage234
dc.identifier.isbn978-94-62611-32-0
dc.identifier.issn0567-7572
dc.identifier.scopus2-s2.0-85007308644
dc.identifier.scopusqualityQ4
dc.identifier.startpage227
dc.identifier.urihttps://dx.doi.org/10.17660/ActaHortic.2016.1143.33
dc.identifier.urihttps://hdl.handle.net/11480/3744
dc.identifier.volume1143
dc.identifier.wosWOS:000392629000033
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherINT SOC HORTICULTURAL SCIENCE
dc.relation.ispartofVII INTERNATIONAL SYMPOSIUM ON EDIBLE ALLIACEAE
dc.relation.ispartofseriesActa Horticulturae
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectgermplasm
dc.subjectvariation
dc.subjectstatistic
dc.subjectclassification
dc.titleGenetic diversity evaluations in Turkish onion (Allium cepa L.) genotypes: principal component analyses (PCA) for breeding strategies
dc.typeConference Object

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