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Artículo

Phosphate-solubilization activity of bacterial strains in soil and their effect on soybean growth under greenhouse conditions

Fernandez, Leticia AndreaIcon ; Zalba, Pablo; Gomez, Marisa Anahi; Sagardoy, Marcelo AntonioIcon
Fecha de publicación: 14/08/2007
Editorial: Springer
Revista: Biology And Fertility of Soils
ISSN: 0178-2762
e-ISSN: 1432-0789
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

The efficiency of 13 phosphate-solubilizing bacteria (PSB; four Burkholderia sp., five Enterobacter sp., and four Bradyrhizobium sp.) was assessed in a soil plate assay by evaluating soil phosphorus (P) availability. A commercial argentine strain, Pseudomonas fluorescens, was used for comparing solubilizing activity. Burkholderia sp. PER2F, Enterobacter sp. PER3G, and Bradyrhizobium sp. PER2H strains solubilized the largest quantities of P in the soil plate assay after 60 days as compared with the other strains, including the commercial one. The effect of PSB inoculation on growth and nutrient uptake of soybean plants was also studied under greenhouse conditions. Plants inoculated with Burkholderia sp. PER2F had the highest aerial height and showed an appropriate N/P ratio. However, none of the PSB increased P uptake by plants. This suggests that PSB inoculation does not necessarily improve P nutrition in soybean, nor was there any relationship between P availability in the soil plate assay and P content in the soybean shoot in the greenhouse. We concluded that the selection of efficient PSB strains as possible inoculation tools for P-deficient soils should focus on the integral interpretation of soil assays, greenhouse experiments, and field trials.
Palabras clave: Burkholderia Sp. , Phosphate Availability , Phosphate-Solubilizing Bacteria , Soil Plate Assay , Soybean
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/75875
URL: https://link.springer.com/article/10.1007/s00374-007-0172-3
DOI: http://dx.doi.org/10.1007/s00374-007-0172-3
Colecciones
Articulos(CCT - BAHIA BLANCA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - BAHIA BLANCA
Citación
Fernandez, Leticia Andrea; Zalba, Pablo; Gomez, Marisa Anahi; Sagardoy, Marcelo Antonio; Phosphate-solubilization activity of bacterial strains in soil and their effect on soybean growth under greenhouse conditions; Springer; Biology And Fertility of Soils; 43; 6; 14-8-2007; 805-809
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