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Campo DCValorIdioma
dc.creatorBicalho, Elisa Monteze-
dc.creatorSoares-da-Mota, Letícia A.-
dc.creatorGarcia, Queila Souza-
dc.date.accessioned2019-03-08T20:21:03Z-
dc.date.available2019-03-08T20:21:03Z-
dc.date.issued2018-06-
dc.identifier.citationBICALHO, E. M.; SOARES-DA-MOTA, L. A.; GARCIA, Q. S. Temperature and light requirements for germination of species of Velloziaceae from different Brazilian rocky outcrops. Acta Botanica Brasilica, Belo Horizonte, v. 32, n. 2, p. 240-246, Apr./June 2018. DOI: http://dx.doi.org/10.1590/0102-33062017abb0310.pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/33158-
dc.description.abstractGermination is the first step to successful plant establishment. The range of factors that promote germination varies among species. Light and temperature requirements for the germination of species of Velloziaceae were investigated. Seeds of Barbacenia flava, B. markgrafii, B. purpurea, B. williamsi, Vellozia alata, V. compacta, V. glochidea and V. plicata were collected from rocky outcrops located in different Brazilian states and were incubated for germination at 10 to 40 °C in light or dark conditions. Seed mass and length were measured for each species. In general, all species exhibited a high germination percentage at temperatures of 15-40 °C in the light, with the optimal temperature being 25-30 °C for species of Barbacenia and 30 °C for species of Vellozia. Barbacenia flava, V. compacta and, particularly, B. markgrafii, germinated in the dark. In contrast, B. purpurea exhibited an absolute requirement for light and the most restricted range of temperature to germinate. Germination responses and seed traits were related to the microclimate where the species were collected, and germinability in darkness is likely a common trait for species of Velloziaceae from the Espinhaço Range.pt_BR
dc.languageen_USpt_BR
dc.publisherSociedade Botânica do Brasil (SBB)pt_BR
dc.rightsAttribution 4.0 International*
dc.rightsacesso abertopt_BR
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.sourceActa Botanica Brasilicapt_BR
dc.subjectBarbaceniapt_BR
dc.subjectDarknesspt_BR
dc.subjectGranitic outcropspt_BR
dc.subjectInselbergspt_BR
dc.subjectIronstone outcropspt_BR
dc.subjectOptimal temperaturept_BR
dc.subjectQuarzitic outcropspt_BR
dc.subjectVelloziapt_BR
dc.titleTemperature and light requirements for germination of species of Velloziaceae from different Brazilian rocky outcropspt_BR
dc.typeArtigopt_BR
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