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dc.contributor.author
Racedo, Josefina
dc.contributor.author
Perera, María Francisca
dc.contributor.author
Bertani, Romina Priscila
dc.contributor.author
Funes, Claudia
dc.contributor.author
González, Victoria
dc.contributor.author
Cuenya, María Inés
dc.contributor.author
D´Hont, Angelique
dc.contributor.author
Welin, Bjorn
dc.contributor.author
Castagnaro, Atilio Pedro
dc.date.available
2016-08-16T17:03:48Z
dc.date.issued
2013-06
dc.identifier.citation
Racedo, Josefina; Perera, María Francisca; Bertani, Romina Priscila; Funes, Claudia; González, Victoria; et al.; Bru1 gene and potential alternative sources of resistance to sugarcane brown rust disease; Springer; Euphytica; 191; 3; 6-2013; 429-436
dc.identifier.issn
0014-2336
dc.identifier.uri
http://hdl.handle.net/11336/7174
dc.description.abstract
Brown rust, caused by the fungus Puccinia melanocephala, is responsible for important yield losses in sugarcane production globally and it is therefore an important objective to introduce resistance to this disease in breeding programs. A major gene, Bru1, has been shown to confer resistance to P. melanocephala strains from different parts of the world and two molecular markers, R12H16 and 9O20-F4, closely associated to this gene have been previously reported. The usefulness of these molecular diagnostic markers in order to predict a rust resistant phenotype under natural high pressure inoculums conditions was analyzed. A total of 129 sugarcane accessions were evaluated under field infection for resistance or susceptibility to brown rust and subsequently screened for presence or absence of the two Bru1 diagnostic markers. A total of 49 genotypes (38 %) were phenotyped as resistant to brown rust but only eight (16.3 %) of them were harboring the Bru1 gene. To determine overall frequency of the Bru1 in the local sugarcane germplasm collection, 190 additional genotypes were examined. Presence of Bru1, as determined by the diagnostic markers, was detected in only 7 % of the genotypes evaluated. In conclusion, Bru1 diagnostic markers enable positive selection for brown rust resistance in sugarcane and moreover allowed detecting at least one additional source(s) of resistance. Interestingly, whilst only little genetic variability of rust resistance independent of Bru1 has been reported previously, this alternative genetic resource(s) found in our local germplasm constitutes the predominant one and should be helpful in order to amplify the narrow genetic basis for brown rust resistance in sugarcane.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Bru1
dc.subject
Disease Resistance
dc.subject
Molecular Marker
dc.subject
Sugarcane
dc.subject.classification
Biotecnología Agrícola y Biotecnología Alimentaria
dc.subject.classification
Biotecnología Agropecuaria
dc.subject.classification
CIENCIAS AGRÍCOLAS
dc.title
Bru1 gene and potential alternative sources of resistance to sugarcane brown rust disease
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-08-11T19:39:49Z
dc.journal.volume
191
dc.journal.number
3
dc.journal.pagination
429-436
dc.journal.pais
Alemania
dc.journal.ciudad
Berlin
dc.description.fil
Fil: Racedo, Josefina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Instituto de Tecnología Agroindustrial del Noroeste Argentino; Argentina
dc.description.fil
Fil: Perera, María Francisca. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Instituto de Tecnología Agroindustrial del Noroeste Argentino; Argentina
dc.description.fil
Fil: Bertani, Romina Priscila. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Instituto de Tecnología Agroindustrial del Noroeste Argentino; Argentina
dc.description.fil
Fil: Funes, Claudia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Instituto de Tecnología Agroindustrial del Noroeste Argentino; Argentina
dc.description.fil
Fil: González, Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Instituto de Tecnología Agroindustrial del Noroeste Argentino; Argentina
dc.description.fil
Fil: Cuenya, María Inés. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Instituto de Tecnología Agroindustrial del Noroeste Argentino; Argentina
dc.description.fil
Fil: D´Hont, Angelique. Centre de Coopération Internationale en Recherche Agronomique pour le Développement; Francia
dc.description.fil
Fil: Welin, Bjorn. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Instituto de Tecnología Agroindustrial del Noroeste Argentino; Argentina
dc.description.fil
Fil: Castagnaro, Atilio Pedro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Instituto de Tecnología Agroindustrial del Noroeste Argentino; Argentina
dc.journal.title
Euphytica
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://link.springer.com/article/10.1007/s10681-013-0905-3
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/10.1007/s10681-013-0905-3
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s10681-013-0905-3
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