DETERMINING THE GENE ACTION AND COMBINING ABILITY OF F2 BREAD WHEAT BY DIALLEL ANALYSIS

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dc.authoridIqbal, Muhammad Aamir/0000-0003-2701-0551
dc.contributor.authorDarwish, Mohamed. a.
dc.contributor.authorGhareeb, Zeinab e.
dc.contributor.authorIqbal, Muhammad aamir
dc.contributor.authorAl-ashkar, Ibrahim
dc.contributor.authorIslam, Mohammad sohidul
dc.contributor.authorEL Sabagh, Ayman
dc.date.accessioned2024-12-24T19:30:58Z
dc.date.available2024-12-24T19:30:58Z
dc.date.issued2024
dc.departmentSiirt Üniversitesi
dc.description.abstractFor ensuring the food security under changing climate and decreasing agricultural land area, genetic improvement of yield-related traits is the prerequisite for developing newer, better-performing varieties of bread wheat. Therefore, a study was conducted at the Sakha Agricultural Research Station Farm, Egypt, for investigating the ability and nature of gene action with the mode of inheritance for the grain yield and its component traits in F2 bread wheat for identifying the superior genotypes for three consecutive seasons. An experiment was conducted to test ten parent genotypes of bread wheat along with their half-diallel hybrids (45 F2 segregating populations) using the randomized complete block design (RCBD) with four replications. The results revealed that general combining ability (GCA) as well as specific combining ability (SCA) had significant differences for most of the traits under study. In addition, Baker's ratio confirmed the superior role of additive gene effect in controlling yield traits of wheat. Moreover, the GT-biplot data analysis and GCA effects (& gcirc;) illustrated that the Vorobey (P3), Giza 171 (P10), Line1 (P1), and Line 7 (P9) had the highest values for the yield traits. Likewise, F2 hybrids [Line 1 (P1) x Line 5 (P6), Line 2 (P2) x Vorobey (P3), and Line 1 (P1) x Gemmeiza 11 (P7)] remained superior for the yield contributing traits. Furthermore, the estimation of GCA incorporating the additive component (D) underscored the significance of additive gene effects more than the SCA incorporating dominance (H1) for the traits under investigation. Lastly, the graphical analysis of Wr/Vr with (H1/D)0.05 pointed that the plant height, kernels number per spike and 100-kernel weight along with grain yield in F2 tend to be determined by additive gene effect through partial dominance.
dc.description.sponsorshipKing Saud University, Riyadh, Saudi Arabia [RSP2024R298]
dc.description.sponsorshipThe authors extend their appreciation to the Researchers Supporting Project number (RSP2024R298) , King Saud University, Riyadh, Saudi Arabia.
dc.identifier.doi10.30848/PJB2024-4(41)
dc.identifier.endpage1417
dc.identifier.issn0556-3321
dc.identifier.issn2070-3368
dc.identifier.issue4
dc.identifier.scopus2-s2.0-85193318700
dc.identifier.scopusqualityQ2
dc.identifier.startpage1407
dc.identifier.urihttps://doi.org/10.30848/PJB2024-4(41)
dc.identifier.urihttps://hdl.handle.net/20.500.12604/7749
dc.identifier.volume56
dc.identifier.wosWOS:001226755500013
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPakistan Botanical Soc
dc.relation.ispartofPakistan Journal of Botany
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241222
dc.subjectBiplot analysis
dc.subjectDiallel
dc.subjectGene action
dc.subjectGeneral combining ability
dc.subjectGriffing
dc.subjectHayman
dc.subjectStaple crop
dc.titleDETERMINING THE GENE ACTION AND COMBINING ABILITY OF F2 BREAD WHEAT BY DIALLEL ANALYSIS
dc.typeArticle

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