Screening, evaluation and selection ofphosphate-solubilising fungi as potential biofertiliser

Phosphate-solubilising saprophytic fungi have a potential application in plant nutrition; therefore, the aim of this study was 1) to perform a screening and isolation of native phosphofungi from volcanic soils of southern Chile, 2) to select a liquid medium for the evaluation of these phosphofungi a...

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Autores principales: Morales,A, Alvear,M, Valenzuela,E, Castillo,C.E, Borie,F
Lenguaje:English
Publicado: Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo 2011
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162011000400007
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spelling oai:scielo:S0718-951620110004000072018-10-31Screening, evaluation and selection ofphosphate-solubilising fungi as potential biofertiliserMorales,AAlvear,MValenzuela,ECastillo,C.EBorie,F phosphate solubilising-mineralising fungi Penicillium albidum phosphatase lettuce Phosphate-solubilising saprophytic fungi have a potential application in plant nutrition; therefore, the aim of this study was 1) to perform a screening and isolation of native phosphofungi from volcanic soils of southern Chile, 2) to select a liquid medium for the evaluation of these phosphofungi and 3) to test a selected phospho fungus as a biofertiliser in a volcanic soil. The phosphofungi were screened using Martin medium (rose bengal-streptomycin agar) with calcium phosphate (Ca3(PO4)2) or calcium phytate as the phosphorus source. Six promising strains (Penicillium sp., Penicillium albidum, Penicillium thomii, Penicillium restrictum, Penicillium frequentans and Gliocladium roseum) were evaluated in the liquid media of Agnihotri, Asea-Wakelin, Pikovskaya and Nahas. The soluble phosphorus, acid phosphatase activity, pH and fungal biomass were determined. In most soils, the greatest proportion of phosphofungi solubilised organic P. The Asea-Wakelin medium appears to be the medium of choice for the quantitative evaluation of phosphofungi isolated from the volcanic soils tested. Penicillium albidum was selected as a potential biofertiliser due to its capacity to solubilise both inorganic and organic P via its specific solubilising activity (64 mg P/g fungus), phosphatase secretion and enhancement of the growth and mineral nutrition of lettuce plants growing in a volcanic soil.info:eu-repo/semantics/openAccessChilean Society of Soil Science / Sociedad Chilena de la Ciencia del SueloJournal of soil science and plant nutrition v.11 n.4 20112011-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162011000400007en10.4067/S0718-95162011000400007
institution Scielo Chile
collection Scielo Chile
language English
topic phosphate solubilising-mineralising fungi
Penicillium albidum
phosphatase
lettuce
spellingShingle phosphate solubilising-mineralising fungi
Penicillium albidum
phosphatase
lettuce
Morales,A
Alvear,M
Valenzuela,E
Castillo,C.E
Borie,F
Screening, evaluation and selection ofphosphate-solubilising fungi as potential biofertiliser
description Phosphate-solubilising saprophytic fungi have a potential application in plant nutrition; therefore, the aim of this study was 1) to perform a screening and isolation of native phosphofungi from volcanic soils of southern Chile, 2) to select a liquid medium for the evaluation of these phosphofungi and 3) to test a selected phospho fungus as a biofertiliser in a volcanic soil. The phosphofungi were screened using Martin medium (rose bengal-streptomycin agar) with calcium phosphate (Ca3(PO4)2) or calcium phytate as the phosphorus source. Six promising strains (Penicillium sp., Penicillium albidum, Penicillium thomii, Penicillium restrictum, Penicillium frequentans and Gliocladium roseum) were evaluated in the liquid media of Agnihotri, Asea-Wakelin, Pikovskaya and Nahas. The soluble phosphorus, acid phosphatase activity, pH and fungal biomass were determined. In most soils, the greatest proportion of phosphofungi solubilised organic P. The Asea-Wakelin medium appears to be the medium of choice for the quantitative evaluation of phosphofungi isolated from the volcanic soils tested. Penicillium albidum was selected as a potential biofertiliser due to its capacity to solubilise both inorganic and organic P via its specific solubilising activity (64 mg P/g fungus), phosphatase secretion and enhancement of the growth and mineral nutrition of lettuce plants growing in a volcanic soil.
author Morales,A
Alvear,M
Valenzuela,E
Castillo,C.E
Borie,F
author_facet Morales,A
Alvear,M
Valenzuela,E
Castillo,C.E
Borie,F
author_sort Morales,A
title Screening, evaluation and selection ofphosphate-solubilising fungi as potential biofertiliser
title_short Screening, evaluation and selection ofphosphate-solubilising fungi as potential biofertiliser
title_full Screening, evaluation and selection ofphosphate-solubilising fungi as potential biofertiliser
title_fullStr Screening, evaluation and selection ofphosphate-solubilising fungi as potential biofertiliser
title_full_unstemmed Screening, evaluation and selection ofphosphate-solubilising fungi as potential biofertiliser
title_sort screening, evaluation and selection ofphosphate-solubilising fungi as potential biofertiliser
publisher Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo
publishDate 2011
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162011000400007
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