Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/205830
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dc.contributor.authorPESSONI, L. A.pt_BR
dc.contributor.authorZIMMERMANN, M. J. de O.pt_BR
dc.contributor.authorFARIA, J. C. dept_BR
dc.date.accessioned2015-09-24T23:30:57Z-
dc.date.available2015-09-24T23:30:57Z-
dc.date.created1999-05-27pt_BR
dc.date.issued1997pt_BR
dc.identifier.citationBrazilian Journal of Genetics, v. 20, n. 1, p. 51-58, mar. 1997.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/205830pt_BR
dc.descriptionBean golden mosaic is the most important viral disease of the bean crop (Phaseolus vulgaris L.) in Latin America. The genetics of resistance to a Brazilian strain of bean golden mosaic virus (BGMV), was studied in a 4 x 4 diallel cross without reciprocals, among the parental genotypes DOR 303, EMGOPA 201 Ouro, Carnaval, and Redlands Greenleaf C. Seedlings of the four parents, six F1 hybrids, 12 backcrosses, and F2 generations for each combination were inoculated on the eighth day after sowing by exposure to a viruliferous whitefly (Bemisia tabaci Genn.) population for 24 h, in a glasshouse, prior to transplantation to field conditions. The full set of two parents, F1, F2 and respective backcrosses for each combination was considered to be a family. Data were recorded and analyzed for foliar yellowing, plant dwarfing, and pod malformation, using a randomized block design, with two replications. Weighted generation mean analysis was performed for each of the six families. An additive gene action model was significant for the three characteristics evaluated. On the other hand, non-additive gene action had greater absolute value in most cases. Resistance to foliar yellowing conferred by genes from DRO 303 was highly heritable and was expressed equally well in the different genetic backgrounds evaluated. Such resistance may be oligogenic. Broad- and narrow-sense heritabilities were relatively high for all response traits. The three traits studied were all positively correlated, indicating that they can be simultaneously selected for enhancement. The highest correlation coefficient was obtained for dwarfing x pod malformation.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectGeminiviruspt_BR
dc.subjectBGMVpt_BR
dc.titleGenetic control of characters associated with bean golden mosaic geminivirus resistance in Phaseolus vulgaris L.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2015-09-24T23:30:57Zpt_BR
dc.subject.thesagroFeijãopt_BR
dc.subject.thesagroPhaseolus vulgarispt_BR
dc.subject.thesagroControle genéticopt_BR
dc.subject.thesagroMosaico douradopt_BR
riaa.ainfo.id205830pt_BR
riaa.ainfo.lastupdate2015-09-23pt_BR
dc.identifier.doihttps://doi.org/10.1590/S0100-84551997000100010eng
dc.contributor.institutionLUIS ALBERTO PESSONIpt_BR
dc.contributor.institutionMARIA JOSE DE OLIVEIRA ZIMMERMANN, CNPAFeng
dc.contributor.institutionJOSIAS CORREA DE FARIA, CNPAF.eng
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