Linkage equilibrium among tightly linked RFLPs and the Ms locus in open-pollinated onion populations

dc.contributor.authorHavey, Michael J.
dc.contributor.buuauthorGökçe, Ali Fuat
dc.contributor.departmentBursa Üniversitesi/Ziraat Fakültesi/Bahçe Bitkileri Bölümü/Bahçe Bitkileri Anabilim Dalı.tr_TR
dc.contributor.orcid0000-0002-2953-0326tr_TR
dc.contributor.researcheridA-7818-2018tr_TR
dc.date.accessioned2021-07-08T08:27:33Z
dc.date.available2021-07-08T08:27:33Z
dc.date.issued2002-11
dc.description.abstractCytoplasmic male sterility (CMS) in onion (Allium cepa L.) is conditioned by the interaction of the male-sterile (S) cytoplasm with recessive alleles at a single nuclear male-fertility restoration locus (Ms). In order to seed propagate male-sterile plants (S msms), onion breeders must identify maintainer lines possessing normal (N) male-fertile cytoplasm and homozygous recessive at the Ms locus (N msms). Molecular markers have been identified distinguishing N and S cytoplasms and closely linked to the nuclear Ms locus. In this study, we evaluated testcross progenies from randomly selected N-cytoplasmic plants from three open-pollinated populations for nuclear restoration of male fertility over at least three environments. The Ms locus and linked restriction fragment length polymorphisms (0.9 and 1.7 cM) were at linkage equilibrium in all three open-pollinated onion populations, indicating that these linked markers cannot be used to identify maintaining genotypes in open-pollinated onion populations. However, cytoplasmic evaluations were effective in reducing the number of testcrosses required to identify CMS-maintaining genotypes.en_US
dc.identifier.citationGökçe, A. F. ve Havey, M. J (2002). "Linkage equilibrium among tightly linked RFLPs and the Ms locus in open-pollinated onion populations". Journal of The American Society for Horticultural Science, 127(6), 944-946.en_US
dc.identifier.endpage946tr_TR
dc.identifier.issn0003-1062
dc.identifier.issue6tr_TR
dc.identifier.scopus2-s2.0-0036843706tr_TR
dc.identifier.startpage944tr_TR
dc.identifier.urihttps://doi.org/10.21273/JASHS.127.6.944
dc.identifier.urihttps://journals.ashs.org/jashs/view/journals/jashs/127/6/article-p944.xml
dc.identifier.urihttp://hdl.handle.net/11452/21184
dc.identifier.volume127tr_TR
dc.identifier.wos000178943900009tr_TR
dc.indexed.scopusScopusen_US
dc.indexed.wosSCIEen_US
dc.language.isoenen_US
dc.publisherAmer Soc Horticultural Scienceen_US
dc.relation.collaborationYurtdışıtr_TR
dc.relation.journalJournal of The American Society for Horticultural Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergitr_TR
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectGenomeen_US
dc.subjectMale-fertility restorationen_US
dc.subjectAllium cepaen_US
dc.subjectCytoplasmic-genic male sterilityen_US
dc.subjectRestriction fragment length polymorphismsen_US
dc.subjectCytoplasmen_US
dc.subject.wosHorticultureen_US
dc.titleLinkage equilibrium among tightly linked RFLPs and the Ms locus in open-pollinated onion populationsen_US
dc.typeArticle
dc.wos.quartileQ2en_US

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