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	Provedor de dados Acta Botanica (2) Autor Gandolfi,Sergius (2) Rodrigues,Ricardo Ribeiro (2) Souza,Flaviana Maluf (2) Perez,Sonia Cristina Juliano Gualtieri de Andrade (1) Palavra-chave Plant-plant interaction (2) Allelopathy (1) Environmental heterogeneity (1) Facilitation (1) Germination (1) Growth (1) Inhibition (1) Rarefaction (1) Species richness (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2015 (1) 2010 (1) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Species-specific associations between overstory and understory tree species in a semideciduous tropical forest Acta Botanica Souza,Flaviana Maluf; Gandolfi,Sergius; Rodrigues,Ricardo Ribeiro. We investigated the occurrence of associations between overstory and understory tree species in a semideciduous tropical forest. We identified and measured all trees of nine canopy species with diameter at breast height ≥4.8 cm in a 10.24 ha plot and recorded all individuals beneath their canopies ("understory individuals") within the same diameter class. The total density of understory individuals did not significantly differ under different overstory species. One overstory species (Ceiba speciosa) showed higher understory species richness compared with five other species. There was a strong positive association between three overstory species (Esenbeckia leiocarpa, Savia dictyocarpa, and C. speciosa) and the density of seven understory species... Tipo: Info:eu-repo/semantics/article Palavras-chave: Environmental heterogeneity; Facilitation; Plant-plant interaction; Rarefaction; Species richness. Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062015000100073 Allelopathic potential of bark and leaves of Esenbeckia leiocarpa Engl. (Rutaceae) Acta Botanica Souza,Flaviana Maluf; Gandolfi,Sergius; Perez,Sonia Cristina Juliano Gualtieri de Andrade; Rodrigues,Ricardo Ribeiro. We investigated the inhibitory potential of aqueous extracts of bark and leaves of Esenbeckia leiocarpa Engl. on lettuce germination and early seedling growth. We compared the effects of four concentrations (100, 75, 50 and 25%) of each extract to water and polyethylene glycol (PEG 6000) solution controls for four replicates of 50 seeds for germination and four replicates of ten seedlings for seedling growth. The inhibitory effects of E. leiocarpa extracts on the percentage of germination and on the germination speed seemed to be more than simply an osmotic effect, except for the percentage of seeds germinated in bark extracts. When compared to water control, both bark and leaf extracts delayed germination, and leaf extracts also affected the percentage of... Tipo: Info:eu-repo/semantics/article Palavras-chave: Allelopathy; Germination; Growth; Inhibition; Plant-plant interaction. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062010000100016 Registros recuperados: 2 Primeira ... 1 ... Última

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