Haploid identification using tropicalized haploid inducer progenies in maize

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorRibeiro, Camila Bastos-
Autor(es): dc.creatorPereira, Francielly de Cássia-
Autor(es): dc.creatorNóbrega Filho, Lamartine da-
Autor(es): dc.creatorRezende, Breno Alvarenga-
Autor(es): dc.creatorDias, Kaio Olímpio das Graças-
Autor(es): dc.creatorBraz, Guilherme Tomaz-
Autor(es): dc.creatorRuy, Murilo Candido-
Autor(es): dc.creatorSilva, Maria Beatriz-
Autor(es): dc.creatorCenzi, Gisele-
Autor(es): dc.creatorTechio, Vânia Helena-
Autor(es): dc.creatorSouza, João Cândido de-
Data de aceite: dc.date.accessioned2026-02-09T11:55:48Z-
Data de disponibilização: dc.date.available2026-02-09T11:55:48Z-
Data de envio: dc.date.issued2019-03-22-
Data de envio: dc.date.issued2019-03-22-
Data de envio: dc.date.issued2018-03-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/33241-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1150583-
Descrição: dc.descriptionThe aim of this study was to identify maize haploid plants and compare the efficiency of identification of maize haploid plants using the R1-nj morphological marker, plant vigor, flow cytometry, chromosome counting, and microsatellite molecular markers under tropical conditions. We also established a protocol for chromosome duplication in maize haploid plants. Fourteen S0:1 and seven S2:3 haploid inducer progenies were crossed with GNZ9501 in 2012/2013 and 2014/2015, respectively. Through use of the R1-nj trait, we were able to identify 552 putative haploid seeds in 2012/2013 and 260 putative haploid seeds in 2014/2015. Only 1.84% were true positives according to flow cytometry in 2012/2013. In 2014/2015, 75% of the putative haploids were true negatives according to molecular markers. Plant vigor had a high proportion of true negatives. Molecular markers and flow cytometry are more efficient in classifying plant ploidy level. Chromosome duplication was efficient in all plants.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Publicador: dc.publisherUniversidade Federal de Viçosa (UFV), Departamento de Fitotecnia (DFT)-
Direitos: dc.rightsacesso aberto-
Direitos: dc.rightshttp://creativecommons.org/licenses/by/4.0/-
Direitos: dc.rightshttp://creativecommons.org/licenses/by/4.0/-
???dc.source???: dc.sourceCrop Breeding and Applied Biotechnology (CBAB)-
Palavras-chave: dc.subjectFlow cytometry-
Palavras-chave: dc.subjectZea mays-
Palavras-chave: dc.subjectChromosome counting-
Palavras-chave: dc.subjectChromosome duplication-
Palavras-chave: dc.subjectPloidy level-
Título: dc.titleHaploid identification using tropicalized haploid inducer progenies in maize-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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