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dc.contributor.authorMarques, Renata Pereira-
dc.contributor.authorMartins, Dagoberto-
dc.contributor.authorde Almeida Costa, Saulo Italo-
dc.contributor.authorVitorino, Hermeson dos Santos-
dc.identifier.citationSemina-ciencias Agrarias. Londrina: Universidade Estadual de Londrina (UEL), v. 33, n. 3, p. 867-872, 2012.-
dc.description.abstractIt was studied the influence of sugarcane straw density and light conditions on the germination of seeds of Euphorbia heterophylla under controlled conditions. The experimental design was completely randomized design with four replications of 50 seeds, and the treatments were arranged in a 6 x 5 factorial, with six amount of sugarcane straw (0, 8, 10, 12, 14 and 16 t ha(-1)) and 5 types of light (constant light, constant darkness, alternating light and dark, short red and far red). The seeds were germinated in plastic type boxes covered by overlapping layers of straw and kept in germination. Assessments of germination were daily computing the normal seedlings, when they presented protusion roots visible and calculated the germination speed index (IGS). It was observed that the increase of different densities of straw and different wave lengths provided germination ranged from 83 to 97% and IGS between 9.85 to 15.36. The different densities of straw and wavelength did not suppress the germination of E. heterophylla. Therefore, the species was insensitive to light, so the presence of raw sugarcane system can't be considered a potential tool for controlling this species.en
dc.publisherUniversidade Estadual de Londrina (UEL)-
dc.sourceWeb of Science-
dc.subjectWild poinsettiaen
dc.subjectraw sugarcaneen
dc.subjectshort reden
dc.subjectfar reden
dc.titleDensidades de palha e condições de luminosidade na germinação de sementes de Euhphorbia heterophyllapt
dc.title.alternativeDensities straw and luminosity conditions on seed germination on seed germination of Euhphorbia heterophyllaen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUNESP, Fac Ciencias Agron, Dept Prod Vegetal, Botucatu, SP, Brazil-
dc.description.affiliationUnespUNESP, Fac Ciencias Agron, Dept Prod Vegetal, Botucatu, SP, Brazil-
dc.rights.accessRightsAcesso aberto-
dc.relation.ispartofSemina: Ciências Agrárias-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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