Identification of QTLs associated with citrus resistance to Phytophthora gummosis

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dc.contributor.authorSiviero, A.
dc.contributor.authorCristofani, M.
dc.contributor.authorFurtado, Edson Luiz [UNESP]
dc.contributor.authorGarcia, AAF
dc.contributor.authorCoelho, ASG
dc.contributor.authorMachado, M. A.
dc.contributor.institutionInst Agron
dc.contributor.institutionEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.date.accessioned2014-05-20T15:21:45Z
dc.date.available2014-05-20T15:21:45Z
dc.date.issued2006-01-01
dc.description.abstractCitrus gummosis, caused by Phylophthora spp., is an important citrus disease in Brazil. Almost all citrus rootstock varieties are susceptible to it to some degree, whereas resistance is present in Poncirus trifoliata, a closely related species. The objective of this study was to detect QTLs linked to citrus Phylophthora gummosis resistance. Eighty individuals of the F, progeny, obtained by controlled crosses between Sunki mandarin Citrus sunki (susceptible) and Poncirus trifoliata cv. Rubidoux (resistant), were evaluated. Resistance to Phytophthora parasitica was evaluated by inoculating stems of young plants with a disc of fungal mycelia and measuring lesion lengths a month later. Two QTLs linked to gummosis resistance were detected in linkage groups I and 5 of the P. trifoliala map, and one QTL in linkage group 2 of the C sunki map. The phenotypic variation explained by individual QTLs was 14% for C sunki and ranged from 16 to 24% for P. trifoliala. The low character heritability (h(2) = 18.7%) and the detection of more than one QTL associated with citrus Phytophthora gummosis resistance showed that inheritance of the resistance is quantitative.en
dc.description.affiliationInst Agron, IAC, Ctr APTA Citros Sylvio Moreira, BR-13469970 São Paulo, Brazil
dc.description.affiliationEMBRAPA, Rio Branco Acre, Brazil
dc.description.affiliationUniv Estadual Paulista, UNESP, Fac Ciências Agron, Botucatu, SP, Brazil
dc.description.affiliationUniv Fed São Paulo, Escola Super Agr Luiz Queiroz, São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, UNESP, Fac Ciências Agron, Botucatu, SP, Brazil
dc.format.extent23-28
dc.identifierhttp://dx.doi.org/10.1007/BF03194595
dc.identifier.citationJournal of Applied Genetics. Poznan: Polish Academy of Sciences, Institute of Plant Genetics, v. 47, n. 1, p. 23-28, 2006.
dc.identifier.doi10.1007/BF03194595
dc.identifier.issn1234-1983
dc.identifier.lattes3845989485833395
dc.identifier.orcid0000-0002-6924-835X
dc.identifier.urihttp://hdl.handle.net/11449/32868
dc.identifier.wosWOS:000236119200006
dc.language.isoeng
dc.publisherPolish Academy of Sciences, Institute of Plant Genetics
dc.relation.ispartofJournal of Applied Genetics
dc.relation.ispartofjcr1.756
dc.relation.ispartofsjr0,704
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectcitrus diseasept
dc.subjectgenetic mappingpt
dc.subjectgummosispt
dc.subjectinheritancept
dc.subjectPhytophthorapt
dc.subjectQTLpt
dc.subjectresistancept
dc.titleIdentification of QTLs associated with citrus resistance to Phytophthora gummosisen
dc.typeArtigo
dcterms.licensehttp://www.springer.com/open+access/authors+rights
dcterms.rightsHolderPolish Academy of Sciences, Institute of Plant Genetics
unesp.author.lattes3845989485833395[3]
unesp.author.orcid0000-0002-6924-835X[3]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agronômicas, Botucatupt

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