Identification and mapping of quantitative trait loci associated with soybean rust (Phakopsora pachyrhizi) resistance in genotype UG 5

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dc.contributor.authorGebremedhn, Hailay Mehari
dc.contributor.authorMsiska, Ulemu Mercy
dc.contributor.authorWeldekidan, Miesho Belay
dc.contributor.authorAbate Asmamaw, Fentaw
dc.contributor.authorWinnifred, Akech
dc.contributor.authorOnziga, Dramadri Isaac
dc.contributor.authorLapaka Odong, Thomas
dc.contributor.authorRubaihayo, Patrick
dc.contributor.authorTukamuhabwa, Phinehas
dc.date.accessioned2022-02-01T06:36:46Z
dc.date.available2022-02-01T06:36:46Z
dc.date.issued2018
dc.description.abstractSoybean rust, Phakopsora pachyrhizi, is one of the most serious and widespread foliar diseases of soybean causing high yield losses world-wide. The objective of this study was to identify and map quantitative trait loci (QTLs) resistant to soybean rust in genotype UG 5. Ninety-seven F2 mapping plants, obtained from a cross between Wondersoya and UG 5, were used for this study. Quantitative trait locus analysis using QTL IciMapping software identified three putative QTLs associated with soybean rust (SBR) on chromosomes 6, 9 and 18 with logarithms of odds (LOD) scores ranging from 3.47 to 8.23 and phenotypic variance explained by the QTLs ranging from 18.3 to 25.6%. The putative QTL detected on chromosome 9 is novel and has not been reported elsewhere. The putative QTLs identified in this study could help to facilitate SBR resistance breeding towards efficient marker assisted selection approach and gene pyramiding leading to the development of durable resistance.en_US
dc.identifier.citationGebremedhn, H. M., Msiska, U. M., Weldekidan, M. B., Asmamaw, F. A., Winnifred, A., Onziga, D. I., ... & Tukamuhabwa, P. (2018). Identification and mapping of quantitative trait loci associated with soybean rust (Phakopsora pachyrhizi) resistance in genotype UG 5. African Journal of Biotechnology, 17(48), 1368-1376. DOI: 10.5897/AJB2018.16661en_US
dc.identifier.issn1684-5315
dc.identifier.other10.5897/AJB2018.16661
dc.identifier.urihttps://nru.uncst.go.ug/xmlui/handle/123456789/1718
dc.language.isoenen_US
dc.publisherAfrican Journal of Biotechnologyen_US
dc.subjectLinkage mapen_US
dc.subjectSegregationen_US
dc.subjectSimple sequence repeat (SSR)en_US
dc.titleIdentification and mapping of quantitative trait loci associated with soybean rust (Phakopsora pachyrhizi) resistance in genotype UG 5en_US
dc.typeArticleen_US
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