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Identification of High-Yielding Genotypes of Barley in the Warm Regions of Iran

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dc.abstract.enOne of the most important effects of climatic changes is increasing temperatures and expanding water deficit stress in tropical and subtropical regions. As the fourth most important cereal crop, barley (Hordeum vulgare L.) is crucial for food and feed security, as well as for a sustainable agricultural system. The present study investigates 56 promising barley genotypes, along with four local varieties (Norooz, Oxin, Golchin, and Negin) in four locations to identify high-yielding and adapted genotypes in the warm climate of Iran. Genotypes were tested in an alpha lattice design with six blocks, which were repeated three times. Traits measured were the number of days to heading and maturity, plant height, thousand kernels weight, and grain yield. A combined analysis of variance showed the significant effects of genotypes (G), environments (E), and their interaction (GEI) on all measured traits. Application of the additive main-effect and multiplicative interaction (AMMI) model to the grain yield data showed that GEI was divided into three significant components (IPCAs), and each accounted for 50.93%, 30.60%, and 18.47%, respectively. Two selection indices [Smith–Hazel (SH) and multiple trait selection index (MTSI)] identified G18, G24, G29, and G57 as desirable genotypes at the four test locations. Using several BLUP-based indices, such as the harmonic mean of genotypic values (HMGV), the relative performance of genotypic values (RPGV), and the harmonic mean of the relative performance of genotypic values (HMRPGV), genotypes G6, G11, G22, G24, G29, G38, G52, and G57 were identified as superior genotypes. The application of GGE analysis identified G6, G24, G29, G52, and G57 as the high-yielding and most stable genotypes. Considering all statistical models, genotypes G24, G29, and G57 can be used, as they are well-adapted to the test locations in warm regions of Iran.
dc.affiliationWydział Rolnictwa, Ogrodnictwa i Biotechnologii
dc.affiliation.instituteKatedra Metod Matematycznych i Statystycznych
dc.contributor.authorPour-Aboughadareh, Alireza
dc.contributor.authorKoohkan, Shirali
dc.contributor.authorZali, Hassan
dc.contributor.authorMarzooghian, Akbar
dc.contributor.authorGholipour, Ahmad
dc.contributor.authorKheirgo, Masoome
dc.contributor.authorBarati, Ali
dc.contributor.authorBocianowski, Jan
dc.contributor.authorAskari-Kelestani, Alireza
dc.date.access2025-09-01
dc.date.accessioned2025-09-01T05:49:18Z
dc.date.available2025-09-01T05:49:18Z
dc.date.copyright2023-11-13
dc.date.issued2023
dc.description.abstract<jats:p>One of the most important effects of climatic changes is increasing temperatures and expanding water deficit stress in tropical and subtropical regions. As the fourth most important cereal crop, barley (Hordeum vulgare L.) is crucial for food and feed security, as well as for a sustainable agricultural system. The present study investigates 56 promising barley genotypes, along with four local varieties (Norooz, Oxin, Golchin, and Negin) in four locations to identify high-yielding and adapted genotypes in the warm climate of Iran. Genotypes were tested in an alpha lattice design with six blocks, which were repeated three times. Traits measured were the number of days to heading and maturity, plant height, thousand kernels weight, and grain yield. A combined analysis of variance showed the significant effects of genotypes (G), environments (E), and their interaction (GEI) on all measured traits. Application of the additive main-effect and multiplicative interaction (AMMI) model to the grain yield data showed that GEI was divided into three significant components (IPCAs), and each accounted for 50.93%, 30.60%, and 18.47%, respectively. Two selection indices [Smith–Hazel (SH) and multiple trait selection index (MTSI)] identified G18, G24, G29, and G57 as desirable genotypes at the four test locations. Using several BLUP-based indices, such as the harmonic mean of genotypic values (HMGV), the relative performance of genotypic values (RPGV), and the harmonic mean of the relative performance of genotypic values (HMRPGV), genotypes G6, G11, G22, G24, G29, G38, G52, and G57 were identified as superior genotypes. The application of GGE analysis identified G6, G24, G29, G52, and G57 as the high-yielding and most stable genotypes. Considering all statistical models, genotypes G24, G29, and G57 can be used, as they are well-adapted to the test locations in warm regions of Iran.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if4,0
dc.description.number22
dc.description.points70
dc.description.versionfinal_published
dc.description.volume12
dc.identifier.doi10.3390/plants12223837
dc.identifier.issn2223-7747
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/4537
dc.identifier.weblinkhttps://www.mdpi.com/2223-7747/12/22/3837
dc.languageen
dc.pbn.affiliationagriculture and horticulture
dc.relation.ispartofPlants
dc.relation.pagesart. 3837
dc.rightsCC-BY
dc.sciencecloudsend
dc.share.typeOPEN_JOURNAL
dc.subject.enmulti-trait selection index
dc.subject.enBLUP-based index
dc.subject.enGGE biplot
dc.subject.enAMMI analysis
dc.titleIdentification of High-Yielding Genotypes of Barley in the Warm Regions of Iran
dc.title.volumeSpecial Issue Climate Changes and Multi-Environment Trials in Crop and Medicinal Plants: Classical and Omics Aspects
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue22
oaire.citation.volume12