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dc.contributor.author
Pereira Fávero, Alessandra
dc.contributor.author
Custodio, Adriana Regina
dc.contributor.author
Barbosa Dinato, Naiana
dc.contributor.author
de Godoy, Ignácio José
dc.contributor.author
Seijo, José Guillermo
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dc.contributor.author
Doniseti Michelotto, Marcos
dc.date.available
2021-08-13T13:17:51Z
dc.date.issued
2020-04
dc.identifier.citation
Pereira Fávero, Alessandra; Custodio, Adriana Regina; Barbosa Dinato, Naiana; de Godoy, Ignácio José; Seijo, José Guillermo; et al.; Transference of multiple resistance to peanut through the development of cross-compatible complex hybrids of wild arachis; Sociedade Brasileira de Genética; Genetics and Molecular Biology; 43; 2; 4-2020; 1-12
dc.identifier.issn
1415-4757
dc.identifier.uri
http://hdl.handle.net/11336/138263
dc.description.abstract
Peanut (Arachis hypogaea L.) is a tetraploid species with an A and B genome, while the majority of wild Arachis species are diploid with distinct genomes. In pre-breeding programs, one way to introgress interesting wild genes into peanut is by producing amphidiploids. This study aimed at the hybridization between distinct amphidiploids and their characterization, to combine high crossability with peanut, observed in some amphidiploids, with high pest and disease resistances observed in others. These new hybrids were called complex hybrids. Four amphidiploids previ-ously obtained were crossed at four different combinations, and the derived complex hybrids were crossed with four peanut cultivars. Morphological, reproductive, chromosome complement, molecular markers for hybrid identifica-tion, phytopatological, and entomological characterizations were performed on the complex hybrids. All cross combinations resulted in complex hybrids. One complete complement of each diploid progenitor was confirmed in each hybrid. Plants of six distinct hybrid combinations were obtained between the complex hybrids and peanut. Based on morphological characterization, differences among progenies from distinct cross combinations were observed. Complex hybrids were considered more resistant to all diseases and pests than peanut cultivars. The simultaneous introgression of genes from four wild Arachis species into peanut was possible through the development of complex hybrids.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Sociedade Brasileira de Genética
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
AMPHIDIPLOIDS
dc.subject
ARACHIS HYPOGAEA.
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GENETIC RESOURCES
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GROUNDNUT
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WILD SPECIES
dc.subject.classification
Agricultura
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dc.subject.classification
Agricultura, Silvicultura y Pesca
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
Transference of multiple resistance to peanut through the development of cross-compatible complex hybrids of wild arachis
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-06-07T16:10:45Z
dc.identifier.eissn
1678-4685
dc.journal.volume
43
dc.journal.number
2
dc.journal.pagination
1-12
dc.journal.pais
Brasil
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dc.description.fil
Fil: Pereira Fávero, Alessandra. Ministerio da Agricultura Pecuaria e Abastecimento de Brasil. Empresa Brasileira de Pesquisa Agropecuaria; Brasil
dc.description.fil
Fil: Custodio, Adriana Regina. Ministerio da Agricultura Pecuaria e Abastecimento de Brasil. Empresa Brasileira de Pesquisa Agropecuaria; Brasil
dc.description.fil
Fil: Barbosa Dinato, Naiana. Universidade Federal do São Carlos; Brasil
dc.description.fil
Fil: de Godoy, Ignácio José. No especifíca;
dc.description.fil
Fil: Seijo, José Guillermo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Botánica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botánica del Nordeste; Argentina
dc.description.fil
Fil: Doniseti Michelotto, Marcos. No especifíca;
dc.journal.title
Genetics and Molecular Biology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1590/1678-4685-GMB-2019-0099
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