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dc.contributor.authorMachado, Juliana Medianeirapt_BR
dc.contributor.authorKrycki, Karine Cristinapt_BR
dc.contributor.authorWeiler, Roberto Luispt_BR
dc.contributor.authorSimioni, Carinept_BR
dc.contributor.authorDall'Agnol, Miguelpt_BR
dc.date.accessioned2023-03-29T03:25:25Zpt_BR
dc.date.issued2021pt_BR
dc.identifier.issn2006-9758pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/256418pt_BR
dc.description.abstractPaspalum notatum Flüggé (bahiagrass) is the most important forage grass in the native grasslands of southern Brazil; the native germplasm is tetraploid and apomictic. Breeding to produce cultivars has been possible due to chromosome doubling of sexual diploid accessions, allowing hybridizations with apomictic genotypes, generating progenies with variability for agronomic traits and segregating for reproduction mode. The aim of this study was to determine the reproduction mode of selected hybrids derived from intraspecific crosses through cytoembryological analysis and to evaluate the level of apospory expres¬sivity. Eighty one tetraploid hybrids corresponding to 21 families of sexual and apomictic parents were generated and 28 most productive plants based on their superior agronomic performance in the field were evaluated. Sixteen hybrids were reproduced sexually and 12 of them were highly apomictic or facultative apomictic. Sexual hybrids may be used for further crosses in the breeding program while highly apomictic plants produce uniform progeny and become candidates of new cultivars to promote pasture diversification.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofJournal of Plant Breeding and Crop Science. Nairobi, Kenya. Vol. 13, no. 2 (Apr./June 2021), 276A14B66566, p. 58-63pt_BR
dc.rightsOpen Accessen
dc.subjectAposporous apomixisen
dc.subjectGrama-batataispt_BR
dc.subjectBahiagrassen
dc.subjectMelhoramento genético vegetalpt_BR
dc.subjectIntraspecific crossesen
dc.subjectGraminea forrageirapt_BR
dc.subjectPlant breedingen
dc.titleReproduction mode and apospory expressivity of selected hybrids of Paspalum notatum Flüggept_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb001164373pt_BR
dc.type.originEstrangeiropt_BR


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