Seed germination performances of Styrax species help understand their distribution in Cerrado areas in Brazil

dc.contributorUniversidade Estadual Paulista (Unesp)
dc.creatorKissmann, Camila [UNESP]
dc.creatorHabermann, Gustavo [UNESP]
dc.date2014-12-03T13:11:02Z
dc.date2014-12-03T13:11:02Z
dc.date2013-01-01
dc.date.accessioned2023-09-09T10:04:23Z
dc.date.available2023-09-09T10:04:23Z
dc.identifierhttp://dx.doi.org/10.1590/brag.2013.030
dc.identifierBragantia. Campinas: Inst Agronomico, v. 72, n. 3, p. 199-207, 2013.
dc.identifier0006-8705
dc.identifierhttp://hdl.handle.net/11449/112763
dc.identifier10.1590/brag.2013.030
dc.identifierS0006-87052013000300001
dc.identifierWOS:000326967300001
dc.identifierS0006-87052013000300001.pdf
dc.identifier9831073276253765
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8762382
dc.descriptionIn this descriptive paper, we described germination responses of Styrax pohlii, S. camporum and S. ferrugineus seeds at 5, 10, 15, 20, 25, 30, 35, 40 and 45 degrees C. We also assessed the percentage germination (% G) of S. pohlii seeds with different seed water contents because, as a forest species, it seems to have recalcitrant seed behavior. Intrigued by the capacity of seeds of this species to germinate directly from puddles formed on poorly drained soils of riparian forests, where it typically occurs, we also tested the effect of de-pulping fruits on germination of S. pohlii seeds under hypoxia and normoxia conditions. In addition, we checked whether distinct concentrations of gibberellic acid (GA(3)) could break S. ferrugineus seed dormancy, a typical seed behavior of Cerrado species. No germination occurred at 5, 40 and 45 degrees C, regardless of the species. The optimal temperature for germination was 20 degrees C for S. pohlii and 25 degrees C for S. camporum. However, S. ferrugineus seeds showed a very low % G, regardless of the temperature, and GA(3) could not consistently break possible physiological seed dormancy. For S. pohlii seeds, the higher the seed desiccation the lower the % G, and fruit pulp removal showed to be essential for seed germination. S. pohlii seeds germinated independently of oxygenation conditions.
dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.descriptionUniv Estadual Paulista UNESP, Inst Biociencias, Dept Bot, BR-13506900 Rio Claro, SP, Brazil
dc.descriptionUniv Estadual Paulista UNESP, Inst Biociencias, Dept Bot, BR-13506900 Rio Claro, SP, Brazil
dc.descriptionCNPq: 306119/2011-0
dc.format199-207
dc.languageeng
dc.publisherInst Agronomico
dc.relationBragantia
dc.relation0,555
dc.rightsAcesso aberto
dc.sourceWeb of Science
dc.subjecthypoxia
dc.subjectStyrax pohlii
dc.subjectS. camporum
dc.subjectS. ferrugineus
dc.subjecttemperature
dc.subjectdesiccation seed tolerance
dc.titleSeed germination performances of Styrax species help understand their distribution in Cerrado areas in Brazil
dc.typeArtigo


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