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Exploration of Genetic Pattern of Phenological Traits in Wheat (Triticum aestivum L.) under Drought Stress

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cris.virtual.author-orcid0000-0002-0953-7045
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cris.virtualsource.author-orcid0af80967-45b1-40e8-a0bf-9989e4e639c2
dc.abstract.enDrought is the major detrimental environmental factor for wheat (Triticum aestivum L.) production. The exploration of genetic patterns underlying drought tolerance is of great significance. Here we report the gene actions controlling the phenological traits using the line × tester model studying 27 crosses and 12 parents under normal irrigation and drought conditions. The results interpreted via multiple analysis (mean performance, correlations, principal component, genetic analysis, heterotic and heterobeltiotic potential) disclosed highly significant differences among germplasm. The phenological waxiness traits (glume, boom, and sheath) were strongly interlinked. Flag leaf area exhibits a positive association with peduncle and spike length under drought. The growing degree days (heat-units) greatly influence spikelets and grains per spike, however, the grain yield/plant was significantly reduced (17.44 g to 13.25 g) under drought. The principal components based on eigenvalue indicated significant PCs (first-seven) accounted for 79.9% and 73.9% of total variability under normal irrigation and drought, respectively. The investigated yield traits showed complex genetic behaviour. The genetic advance confronted a moderate to high heritability for spikelets/spike and grain yield/plant. The traits conditioned by dominant genetic effects in normal irrigation were inversely controlled by additive genetic effects under drought and vice versa. The magnitude of dominance effects for phenological and yield traits, i.e., leaf twist, auricle hairiness, grain yield/plant, spikelets, and grains/spike suggests that selection by the pedigree method is appropriate for improving these traits under normal irrigation conditions and could serve as an indirect selection index for improving yield-oriented traits in wheat populations for drought tolerance. However, the phenotypic selection could be more than effective for traits conditioned by additive genetic effects under drought. We suggest five significant cross combinations based on heterotic and heterobeltiotic potential of wheat genotypes for improved yield and enhanced biological production of wheat in advanced generations under drought.
dc.affiliationWydział Inżynierii Środowiska i Inżynierii Mechanicznej
dc.affiliation.instituteKatedra Ekologii i Ochrony Środowiska
dc.contributor.authorIshaaq, Iqra
dc.contributor.authorUmer Farooq, Muhammad
dc.contributor.authorAnjum Tahira, Syeda
dc.contributor.authorMaqbool, Rizwana
dc.contributor.authorBarut鐄lar, Celaleddin
dc.contributor.authorYasir, Muhammad
dc.contributor.authorBano, Saira
dc.contributor.authorUlhassan, Zaid
dc.contributor.authorZahid, Ghassan
dc.contributor.authorAhsan Asghar, Muhammad
dc.contributor.authorHussain, Sajad
dc.contributor.authorGabor, Kocsy
dc.contributor.authorIbrahimova, Ulkar
dc.contributor.authorZhu, Jianqing
dc.contributor.authorRastogi, Anshu
dc.date.access2026-03-16
dc.date.accessioned2026-03-27T12:48:25Z
dc.date.available2026-03-27T12:48:25Z
dc.date.copyright2022-08-29
dc.date.issued2022
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if1,7
dc.description.number12
dc.description.points20
dc.description.versionfinal_published
dc.description.volume91
dc.identifier.doi10.32604/phyton.2022.022094
dc.identifier.eissn1851-5657
dc.identifier.issn0031-9457
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/7954
dc.identifier.weblinkhttps://www.techscience.com/phyton/v91n12/49484
dc.languageen
dc.relation.ispartofPhyton
dc.relation.pages2733-2758
dc.rightsCC-BY
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.enwheat
dc.subject.endrought
dc.subject.enphenological traits
dc.subject.engenetic variability
dc.subject.enheterotic and heterobeltiotic potential
dc.titleExploration of Genetic Pattern of Phenological Traits in Wheat (Triticum aestivum L.) under Drought Stress
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue12
oaire.citation.volume91