Genetic diversity in mutated and non-mutated rice varieties

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dc.authorid0000-0002-7470-0080en_US
dc.authorid0000-0002-6767-4355en_US
dc.authorid0000-0001-5579-5179en_US
dc.contributor.authorNaeem, Muhammad
dc.contributor.authorGhouri, Fozia
dc.contributor.authorShahid, Muhammad Qasim
dc.contributor.authorIqbal, Mudassar
dc.contributor.authorBaloch, Faheem Shehzad
dc.date.accessioned2021-06-23T19:42:27Z
dc.date.available2021-06-23T19:42:27Z
dc.date.issued2015
dc.departmentBAİBÜ, Ziraat Fakültesi, Tarla Bitkileri Bölümüen_US
dc.description.abstractWe studied the genetic variability due to mutation induced by gamma-rays (10, 15, and 20 Kr) on various traits of twelve rice genotypes. Mutated and non-mutated seeds were sown in the field between July 2013 and 2014 using a split plot design. Yield and yield-related trait data was recorded, which showed significant (P < 0.05) genotypic and irradiation effects. Gamma radiation exerted non-significant effects on the panicle length of all plants, indicating the uniformity of performance of this character at different radiation levels. The plant height, grains per main panicle, panicle length, 1000-grain weight, grain weight per main panicle, and fertility percentage was minimum in Basmati-198, Basmati-Pak, Shaheen-2000, Super Basmati, Basmati-385, and Super Basmati, respectively, when exposed to radiation at 20 Kr. However, Basmati-370 attained maximum flag leaf area at this level of radiation. Broad sense heritability ranged from 72.0 to 97.7%, indicating the possibility of selection during earlier generations. Phenotypic correlation was positive and significant between grain weight per main panicle with panicle length and flag leaf area. Number of grains per main panicle and genotypic correlation were positive among grain weight per main panicle, panicle length, fertility percentage, 1000-grain weight, and plant height, indicating the effectiveness of these traits in the selection for yield. Phylogenetic analyses revealed a pair-wise similarity ranging from 0.51-0.76 before mutation and 0.39-0.89 after mutation. This study proved that gamma-rays at 20 Kr would be most effective in creating genetic variability in the existing germplasm.en_US
dc.identifier.doi10.4238/2015.December.16.11
dc.identifier.endpage17123en_US
dc.identifier.issn1676-5680
dc.identifier.issue4en_US
dc.identifier.pmid26681058en_US
dc.identifier.scopus2-s2.0-84949975464en_US
dc.identifier.scopusqualityQ4en_US
dc.identifier.startpage17109en_US
dc.identifier.urihttps://doi.org/10.4238/2015.December.16.11
dc.identifier.urihttps://hdl.handle.net/20.500.12491/8493
dc.identifier.volume14en_US
dc.identifier.wosWOS:000367329100059en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorBaloch, Faheem Shehzad
dc.language.isoenen_US
dc.publisherFunpec-Editoraen_US
dc.relation.ispartofGenetics And Molecular Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectGenetic Diversityen_US
dc.subjectGenetic Variationen_US
dc.subjectMutagenesisen_US
dc.subjectMutation Breedingen_US
dc.subjectOryza Sativaen_US
dc.titleGenetic diversity in mutated and non-mutated rice varietiesen_US
dc.typeArticleen_US

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