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Abstract
S. sclerotiorum is the causal agent of the white mould disease on common bean crops, one of the most threatening fungal diseases occurring across major bean production regions. Currently, there are no commercial cultivars with high levels of genetic resistance to white mould. The aim of this study was to analyse the population structure of 109 isolates of S. sclerotiorum from six dry bean fields in the main production area of Argentina using nine [ver mas...]
dc.contributor.authorAban, Carla Luciana
dc.contributor.authorTaboada, Gisel María
dc.contributor.authorSpedaleti, Yamila Andrea
dc.contributor.authorMaita, Efraín
dc.contributor.authorGalvan, Marta Zulema
dc.date.accessioned2021-05-26T12:32:30Z
dc.date.available2021-05-26T12:32:30Z
dc.date.issued2021-05
dc.identifier.issn0929-1873
dc.identifier.issn1573-8469
dc.identifier.otherhttps://doi.org/10.1007/s10658-021-02288-7
dc.identifier.urihttp://hdl.handle.net/20.500.12123/9422
dc.identifier.urihttps://link.springer.com/article/10.1007/s10658-021-02288-7
dc.description.abstractS. sclerotiorum is the causal agent of the white mould disease on common bean crops, one of the most threatening fungal diseases occurring across major bean production regions. Currently, there are no commercial cultivars with high levels of genetic resistance to white mould. The aim of this study was to analyse the population structure of 109 isolates of S. sclerotiorum from six dry bean fields in the main production area of Argentina using nine microsatellite loci. A total of 30 multilocus haplotypes (MLHs) were identified, of which 18 MLHs were unique. The remaining 12 MLHs were constituted by 83% of the isolates, six MLHs of which (composed of 75 isolates) were shared at least between two locations. Population genetic structure analysis and discriminant analysis of principal components (DAPC) identified two genetic clusters (subpopulations). The genetic cluster 1 (GC 1) was composed of 21 isolates and 15 MLHs. Similarly, the genetic cluster 2 (GC 2) was composed of 23 isolates and 15 MLHs. These two genetic clusters were observed in most locations sampled. Low levels of genetic differentiation (ΦST = 0.198; P < 0.0001) followed by high levels of gene flow (Nm > 1) between genetic clusters were observed. Linkage disequilibrium analysis showed that one of the two genetic subpopulations was under linkage equilibrium (P > 0.001), which is consistent with recombinant populations. These results suggest the occurrence of both modes of reproductive behaviour, clonal and recombining, compromising the durability of management strategies for white mould disease in common bean cultivars.eng
dc.formatapplication/pdfes_AR
dc.language.isoenges_AR
dc.publisherSpringeres_AR
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_AR
dc.sourceEuropean Journal of Plant Pathology (Published: 10 May 2021)es_AR
dc.subjectFríjol (phaseolus)es_AR
dc.subjectKidney Beanseng
dc.subjectSclerotinia sclerotiorumes_AR
dc.subjectHongoses_AR
dc.subjectFungieng
dc.subjectEstructura de la Poblaciónes_AR
dc.subjectPopulation Structureeng
dc.subjectArgentinaes_AR
dc.subject.otherCommon Beanseng
dc.titlePopulation structure of the fungus Sclerotinia sclerotiorum in common bean fields of Argentinaes_AR
dc.typeinfo:ar-repo/semantics/artículoes_AR
dc.typeinfo:eu-repo/semantics/articlees_AR
dc.typeinfo:eu-repo/semantics/publishedVersiones_AR
dc.description.origenEEA Saltaes_AR
dc.description.filFil: Aban, Carla Luciana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Salta; Argentinaes_AR
dc.description.filFil: Aban, Carla Luciana. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Salta; Argentinaes_AR
dc.description.filFil: Taboada, Gisel María. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Salta; Argentinaes_AR
dc.description.filFil: Taboada, Gisel María. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Salta; Argentinaes_AR
dc.description.filFil: Spedaletti, Yamila Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Salta; Argentinaes_AR
dc.description.filFil: Spedaleti, Yamila Andrea. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Salta; Argentinaes_AR
dc.description.filFil: Maita, Efraín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Salta; Argentinaes_AR
dc.description.filFil: Maita, Efraín Universidad Nacional de Salta. Facultad de Ciencias Naturales. Laboratorio de Investigaciones Botánicas; Argentinaes_AR
dc.description.filFil: Galvan, Marta Zulema. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Salta; Argentinaes_AR
dc.description.filFil: Galvan, Marta Zulema. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Salta; Argentinaes_AR
dc.subtypecientifico


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