Obtaining tetraploid plants of ruzigrass (Brachiaria ruziziensis)

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorTimbó, Ana Luiza de Oliveira-
Autor(es): dc.creatorSouza, Patrícia Nirlane da Costa-
Autor(es): dc.creatorPereira, Roselaine Cristina-
Autor(es): dc.creatorNunes, Juliane Dornellas-
Autor(es): dc.creatorPinto, José Eduardo Brasil Pereira-
Autor(es): dc.creatorSobrinho, Fausto de Souza-
Autor(es): dc.creatorDavide, Lisete Chamma-
Data de aceite: dc.date.accessioned2026-02-09T11:52:38Z-
Data de disponibilização: dc.date.available2026-02-09T11:52:38Z-
Data de envio: dc.date.issued2019-12-18-
Data de envio: dc.date.issued2019-12-18-
Data de envio: dc.date.issued2014-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/38325-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1149420-
Descrição: dc.descriptionThe objective of the present work was to induce chromosome doubling in genotypes of Brachiaria ruziziensis with potential for production of good-quality biomass and tolerance/resistance to stress caused by aluminum and spittlebugs. Germinated seeds of B. ruziziensis were immersed in 0.1% colchicine solution for 2 or 3 hours. Ploidy level was determined by flow cytometry and confirmed by chromosome count. Fertility of the tetraploid plants was assessed through evaluation of pollen viability by staining. There was no statistical difference with regard to seedling survival and number of duplicate seedlings between the treatments. Survival rate was 8%, of which 11.45% were tetraploid genotypes. The mean viability of pollen grains from the evaluated tetraploid plants ranged from 51.75 to 55.50%. So, the tetraploids plants obtained from genotypes of a bred population of ruzigrass produce fertile pollen, in percentages that render crosses viable in genetic breeding programs.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Publicador: dc.publisherSociedade Brasileira de Zootecnia-
Direitos: dc.rightsAttribution-NonCommercial 4.0 International-
Direitos: dc.rightsAttribution-NonCommercial 4.0 International-
Direitos: dc.rightsacesso aberto-
Direitos: dc.rightshttp://creativecommons.org/licenses/by-nc/4.0/-
Direitos: dc.rightshttp://creativecommons.org/licenses/by-nc/4.0/-
???dc.source???: dc.sourceRevista Brasileira de Zootecnia-
Palavras-chave: dc.subjectForage plant breeding-
Palavras-chave: dc.subjectPolyploidy induction-
Palavras-chave: dc.subjectPollen viability-
Palavras-chave: dc.subjectPlantas forrageiras - Melhoramento genético-
Palavras-chave: dc.subjectIndução de poliploidia-
Palavras-chave: dc.subjectViabilidade do pólen-
Título: dc.titleObtaining tetraploid plants of ruzigrass (Brachiaria ruziziensis)-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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