Arbuscular mycorrhizae of dominant plant species in Yungas forests, Argentina

Autores
Becerra, Alejandra Gabriela; Cabello, Marta Noemí; Zak, Marcelo Román; Bartoloni, Norberto Jose
Año de publicación
2009
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
In Argentina the Yungas forests are among the ecosystems most affected by human activity, with loss of biodiversity. To assess the arbuscular mycorrhizal (AM) colonization and the arbuscular mycorrhizal fungi (AMF) spore numbers in these ecosystems, the roots of the most dominant native plants (one tree, Alnus acuminata; three herbaceous, Duchesnea indica, Oxalis conorrhiza, Trifolium aff. repens; and one shrub, Sambucus peruviana) were studied throughout the year from two sites of Yungas forests. Assessments of mycorrhizal colonization (percent root length, intraradical structures) were made by washing and staining the roots. Soil samples of each plant species were pooled and subsamples were obtained to determine AM spore numbers. The herbaceous species formed both Arum- and Paris-type morphologies, whereas the tree and the shrub species formed respectively single structural types of Arum-and Paris-type. AM colonization, intraradical fungi structures and AMF spore numbers displayed variation in species, seasons and sites. D. indica showed the highest AM colonization, whereas the highest spore numbers was observed in the rhizosphere of A. acuminata. No correlation was observed between spore numbers and root length percentage colonized by AM fungi. Results of this study showed that Alnus acuminata is facultatively AM. The AM colonization, intraradical fungi structures and AMF spore numbers varied in species depending on phenological, climatic and edaphic conditions.
Instituto de Botánica "Dr. Carlos Spegazzini"
Materia
Ciencias Naturales
Alnus forests
Am intraradical structures
Colonization-spore numbers correlation
Montane cloud forest
Seasonality
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/100982
Acceder
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repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling Arbuscular mycorrhizae of dominant plant species in Yungas forests, ArgentinaBecerra, Alejandra GabrielaCabello, Marta NoemíZak, Marcelo RománBartoloni, Norberto JoseCiencias NaturalesAlnus forestsAm intraradical structuresColonization-spore numbers correlationMontane cloud forestSeasonalityIn Argentina the Yungas forests are among the ecosystems most affected by human activity, with loss of biodiversity. To assess the arbuscular mycorrhizal (AM) colonization and the arbuscular mycorrhizal fungi (AMF) spore numbers in these ecosystems, the roots of the most dominant native plants (one tree, Alnus acuminata; three herbaceous, Duchesnea indica, Oxalis conorrhiza, Trifolium aff. repens; and one shrub, Sambucus peruviana) were studied throughout the year from two sites of Yungas forests. Assessments of mycorrhizal colonization (percent root length, intraradical structures) were made by washing and staining the roots. Soil samples of each plant species were pooled and subsamples were obtained to determine AM spore numbers. The herbaceous species formed both Arum- and Paris-type morphologies, whereas the tree and the shrub species formed respectively single structural types of Arum-and Paris-type. AM colonization, intraradical fungi structures and AMF spore numbers displayed variation in species, seasons and sites. D. indica showed the highest AM colonization, whereas the highest spore numbers was observed in the rhizosphere of A. acuminata. No correlation was observed between spore numbers and root length percentage colonized by AM fungi. Results of this study showed that Alnus acuminata is facultatively AM. The AM colonization, intraradical fungi structures and AMF spore numbers varied in species depending on phenological, climatic and edaphic conditions.Instituto de Botánica "Dr. Carlos Spegazzini"2009info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf612-621http://sedici.unlp.edu.ar/handle/10915/100982enginfo:eu-repo/semantics/altIdentifier/url/https://ri.conicet.gov.ar/11336/24324info:eu-repo/semantics/altIdentifier/issn/1557-2536info:eu-repo/semantics/altIdentifier/doi/10.3852/08-176info:eu-repo/semantics/altIdentifier/hdl/11336/24324info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-10-22T17:01:55Zoai:sedici.unlp.edu.ar:10915/100982Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-10-22 17:01:55.333SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Arbuscular mycorrhizae of dominant plant species in Yungas forests, Argentina
title Arbuscular mycorrhizae of dominant plant species in Yungas forests, Argentina
spellingShingle Arbuscular mycorrhizae of dominant plant species in Yungas forests, Argentina
Becerra, Alejandra Gabriela
Ciencias Naturales
Alnus forests
Am intraradical structures
Colonization-spore numbers correlation
Montane cloud forest
Seasonality
title_short Arbuscular mycorrhizae of dominant plant species in Yungas forests, Argentina
title_full Arbuscular mycorrhizae of dominant plant species in Yungas forests, Argentina
title_fullStr Arbuscular mycorrhizae of dominant plant species in Yungas forests, Argentina
title_full_unstemmed Arbuscular mycorrhizae of dominant plant species in Yungas forests, Argentina
title_sort Arbuscular mycorrhizae of dominant plant species in Yungas forests, Argentina
dc.creator.none.fl_str_mv Becerra, Alejandra Gabriela
Cabello, Marta Noemí
Zak, Marcelo Román
Bartoloni, Norberto Jose
author Becerra, Alejandra Gabriela
author_facet Becerra, Alejandra Gabriela
Cabello, Marta Noemí
Zak, Marcelo Román
Bartoloni, Norberto Jose
author_role author
author2 Cabello, Marta Noemí
Zak, Marcelo Román
Bartoloni, Norberto Jose
author2_role author
author
author
dc.subject.none.fl_str_mv Ciencias Naturales
Alnus forests
Am intraradical structures
Colonization-spore numbers correlation
Montane cloud forest
Seasonality
topic Ciencias Naturales
Alnus forests
Am intraradical structures
Colonization-spore numbers correlation
Montane cloud forest
Seasonality
dc.description.none.fl_txt_mv In Argentina the Yungas forests are among the ecosystems most affected by human activity, with loss of biodiversity. To assess the arbuscular mycorrhizal (AM) colonization and the arbuscular mycorrhizal fungi (AMF) spore numbers in these ecosystems, the roots of the most dominant native plants (one tree, Alnus acuminata; three herbaceous, Duchesnea indica, Oxalis conorrhiza, Trifolium aff. repens; and one shrub, Sambucus peruviana) were studied throughout the year from two sites of Yungas forests. Assessments of mycorrhizal colonization (percent root length, intraradical structures) were made by washing and staining the roots. Soil samples of each plant species were pooled and subsamples were obtained to determine AM spore numbers. The herbaceous species formed both Arum- and Paris-type morphologies, whereas the tree and the shrub species formed respectively single structural types of Arum-and Paris-type. AM colonization, intraradical fungi structures and AMF spore numbers displayed variation in species, seasons and sites. D. indica showed the highest AM colonization, whereas the highest spore numbers was observed in the rhizosphere of A. acuminata. No correlation was observed between spore numbers and root length percentage colonized by AM fungi. Results of this study showed that Alnus acuminata is facultatively AM. The AM colonization, intraradical fungi structures and AMF spore numbers varied in species depending on phenological, climatic and edaphic conditions.
Instituto de Botánica "Dr. Carlos Spegazzini"
description In Argentina the Yungas forests are among the ecosystems most affected by human activity, with loss of biodiversity. To assess the arbuscular mycorrhizal (AM) colonization and the arbuscular mycorrhizal fungi (AMF) spore numbers in these ecosystems, the roots of the most dominant native plants (one tree, Alnus acuminata; three herbaceous, Duchesnea indica, Oxalis conorrhiza, Trifolium aff. repens; and one shrub, Sambucus peruviana) were studied throughout the year from two sites of Yungas forests. Assessments of mycorrhizal colonization (percent root length, intraradical structures) were made by washing and staining the roots. Soil samples of each plant species were pooled and subsamples were obtained to determine AM spore numbers. The herbaceous species formed both Arum- and Paris-type morphologies, whereas the tree and the shrub species formed respectively single structural types of Arum-and Paris-type. AM colonization, intraradical fungi structures and AMF spore numbers displayed variation in species, seasons and sites. D. indica showed the highest AM colonization, whereas the highest spore numbers was observed in the rhizosphere of A. acuminata. No correlation was observed between spore numbers and root length percentage colonized by AM fungi. Results of this study showed that Alnus acuminata is facultatively AM. The AM colonization, intraradical fungi structures and AMF spore numbers varied in species depending on phenological, climatic and edaphic conditions.
publishDate 2009
dc.date.none.fl_str_mv 2009
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/100982
url http://sedici.unlp.edu.ar/handle/10915/100982
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://ri.conicet.gov.ar/11336/24324
info:eu-repo/semantics/altIdentifier/issn/1557-2536
info:eu-repo/semantics/altIdentifier/doi/10.3852/08-176
info:eu-repo/semantics/altIdentifier/hdl/11336/24324
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
612-621
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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