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	Provedor de dados PAB (1) Autor Baraibar,Amalia (1) Frioni,Llillian (1) Guedes,Maria Elena (1) Ljunggren,Hans (1) Palavra-chave Lotus corniculatus (1) Lotus pedunculatus (1) Rhizobial pH tolerance (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 1999 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Symbiotic effectiveness and ecological characterization of indigenous Rhizobium loti populations in Uruguay PAB Baraibar,Amalia; Frioni,Llillian; Guedes,Maria Elena; Ljunggren,Hans. The objectives of this work were to describe the distribution, density and seasonal variation of the indigenous populations of Rhizobium loti in different Uruguayan soils and to determine the symbiotic effectiveness and stress tolerance factors of different isolates, both with the aim of obtaining selected strains to re-introduce as inoculants in Lotus pastures. R. loti was present in ten soils studied and their densities varied from year to year and within each soil. All the isolates nodulated Lotus corniculatus effectively. The nodules in Lotus pedunculatus and Lotus subbiflorus were small, red on the surface and ineffective in nitrogen fixation. The study of 50 isolates from the ten soils showed high variability in their symbiotic efficiency and... Tipo: Info:eu-repo/semantics/article Palavras-chave: Lotus corniculatus; Lotus pedunculatus; Rhizobial pH tolerance. Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X1999000600012 Registros recuperados: 1 Primeira ... 1 ... Última

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