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Menoyo, Eugenia
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Orozco, Analía
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Britos Tello, Agustina
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Paez, Ricardo Andrés
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Guel, Sofía
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Salazar, María Julieta
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Becerra, Alejandra Gabriela
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2022-10-18T11:16:55Z
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2018
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Assessment of arbuscular mycorrhizal fungi abundance in the rhizosphere of native plant growing in heavy metal contaminated soils; XIII Congreso Argentino de Microbiología General; San Luis; Argentina; 2018; 50-50
dc.identifier.uri
http://hdl.handle.net/11336/173687
dc.description.abstract
Arbuscular mycorrhizal fungi (AMF) have the ability to tolerate a wide range of heavy metal (HM) concentrations. AMF can develop different mechanisms to persist in these environments, but high contents of HM could lead to modify spore density. The objective of this work was to evaluate the abundance of AMF spores in the rhizosphere of Solanum argentinum and Zinnia peruviana growing in soils contaminated with lead (Pb). The study area is located in Bouwer, Córdoba city where a recycling plant of lead batteries leaves high levels of lead in soil. Four sites with different Pb content in the soil were selected (site I: 365 μg g-1, site II: 965 μg g-1, site III: 89 μg g-1, site IV: 544 μg g-1). In each site, 5 individuals of S. argentinum and Z. peruviana were extracted together with the rhizospheric soil. The last species was only present in sites II and III. Through the decantation technique, wet sieving and sucrose gradient, the AMF spores were extracted, and followed by counting in a stereo microscope the density of spores was calculated (number of spore/100 g of dry soil). In addition, soil moisture, pH, electrical conductivity, content of Cl and N were determined. Although all sites presents high Pb concentrations, the AMF spore density was higher (760.96 ± 67.04 spore/100 g of soil) than the density recorded in other soils with lower Pb content. The AMF spore density differed significantly according to the sites and the host plants. This could be due to the different habits of the species analyzed (S. argentinum is a perennial shrub and Z. peruviana is an annual herb) that would determine differences in the AMF community. Respecting to the soil variables, the density of AMF spores was only related with soil moisture, factor know as determinant in the development of these fungal structures. HM are persistent elements in the soil that modify its physico-chemical and biological properties. Phytoremediation is a technology based on the reduction of toxic elements through the use of plants and their associated microorganisms. In this sense, considering the AMF density values in these contaminated soils, it could be think that these organisms can be used as a biological source in phytoremediation practices. This preliminary study contributes to the registry of the AMF in the rhizospheric soil of native plants growing in environments contaminated with Pb.
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application/pdf
dc.language.iso
eng
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Universidad Nacional de San Luis
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info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
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ARBUSCULAR MYCORRHIZAL
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CONTAMINATION
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HEAVY METALS
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Otras Ciencias de la Tierra y relacionadas con el Medio Ambiente
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
Assessment of arbuscular mycorrhizal fungi abundance in the rhizosphere of native plant growing in heavy metal contaminated soils
dc.type
info:eu-repo/semantics/publishedVersion
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info:eu-repo/semantics/conferenceObject
dc.type
info:ar-repo/semantics/documento de conferencia
dc.date.updated
2022-08-24T19:18:25Z
dc.journal.pagination
50-50
dc.journal.pais
Argentina
dc.journal.ciudad
San Luis
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Fil: Menoyo, Eugenia. Universidad Nacional de San Luis; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Matemática Aplicada de San Luis "Prof. Ezio Marchi". Universidad Nacional de San Luis. Facultad de Ciencias Físico, Matemáticas y Naturales. Instituto de Matemática Aplicada de San Luis "Prof. Ezio Marchi"; Argentina
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Fil: Orozco, Analía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Matemática Aplicada de San Luis "Prof. Ezio Marchi". Universidad Nacional de San Luis. Facultad de Ciencias Físico, Matemáticas y Naturales. Instituto de Matemática Aplicada de San Luis "Prof. Ezio Marchi"; Argentina. Universidad Nacional de San Luis; Argentina
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Fil: Britos Tello, Agustina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Matemática Aplicada de San Luis "Prof. Ezio Marchi". Universidad Nacional de San Luis. Facultad de Ciencias Físico, Matemáticas y Naturales. Instituto de Matemática Aplicada de San Luis "Prof. Ezio Marchi"; Argentina. Universidad Nacional de San Luis; Argentina
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Fil: Paez, Ricardo Andrés. Universidad Nacional de San Luis; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Matemática Aplicada de San Luis "Prof. Ezio Marchi". Universidad Nacional de San Luis. Facultad de Ciencias Físico, Matemáticas y Naturales. Instituto de Matemática Aplicada de San Luis "Prof. Ezio Marchi"; Argentina
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Fil: Guel, Sofía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Matemática Aplicada de San Luis "Prof. Ezio Marchi". Universidad Nacional de San Luis. Facultad de Ciencias Físico, Matemáticas y Naturales. Instituto de Matemática Aplicada de San Luis "Prof. Ezio Marchi"; Argentina. Universidad Nacional de San Luis; Argentina
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Fil: Salazar, María Julieta. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
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Fil: Becerra, Alejandra Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.samige.org.ar/admin/news/files/123-Libro%20samige%202018%20v3.pdf
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Nacional
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Congreso
dc.description.nombreEvento
XIII Congreso Argentino de Microbiología General
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2018-09-08
dc.description.ciudadEvento
San Luis
dc.description.paisEvento
Argentina
dc.type.publicacion
Book
dc.description.institucionOrganizadora
Asociación Civil de Microbiología General
dc.source.libro
XIII Congreso Argentino de Microbiología General
dc.date.eventoHasta
2018-09-10
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Congreso
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