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dc.contributor.authorMonroy Castro, Leidi Yunarispa
dc.contributor.authorLizarazo Forero, Luz Marinaspa
dc.date.accessioned2010-07-01 00:00:00
dc.date.accessioned2023-09-19T21:06:57Z
dc.date.available2010-07-01 00:00:00
dc.date.available2023-09-19T21:06:57Z
dc.date.issued2010-07-01
dc.identifier.issn0120-0739
dc.identifier.urihttp://test.repositoriodigital.com:8080/handle/123456789/44290
dc.description.abstractLos objetivos del presente estudio fueron aislar y determinar la presencia del patógeno Phytophthora ramorum y de otros posibles patógenos de Quercus humboldtii, y la posibilidad de utilizar la capacidad antagónica de bacterias aisladas de rizósfera y ilosfera sobre estos. El estudio se realizó en la zona central del corredor de conservación Guantiva ­ La Rusia ­ Iguaque, en los municipios de Encino (Santander), Arcabuco y Tipacoque (Boyacá). Los aislamientos de los hongos itopatógenos, se realizaron mediante siembra directa de hojas con sintomatología fúngica, en medios selectivos sólidos ogy, Sabouraud, y pda + acido láctico al 0.2%. Se utilizó la técnica de recuento en placa para el aislamiento de bacterias de suelo rizosférico y suelo total. No se aisló el hongo Phytophthora ramorum, pero si otros hongos itopatógenos de los géneros Fusarium spp. y Pestalotia spp. Las poblaciones bacterianas de suelo rizosférico y suelo total fueron bajas y poco diversas, y dominadas por algunos morfotipos. Se identiicaron cuatro especies de bacterias: Pseudomonas luorescens, Bacillus macerans, Bacillus subtilis y Staphylococcus epidermidis. La comunidad de la ilosfera estuvo dominada por Pseudomonas luorescens. Los géneros Pseudomonas luorescens y Bacillus subtilis, no mostraron propiedades antagónicas contra el hongo Pestalotia spp. Es indispensable realizar estudios adicionales, para conirmar si los géneros Fusarium spp. y Pestalotia spp., actúan como patógenos del Quercus humboldtii.spa
dc.description.abstractThe objectives of this study were to isolate and determine the presence of the pathogen Phytophthora ramorum and other potential pathogens of Quercus humboldtii, and evaluate the possibility of using the antagonistic capacity of bacteria isolated from rhizosphere and phyllosphere against them. The study was conducted in the conservation corridor Guantiva ­ La Rusia ­ Iguaque, in the municipalities of Encino (Santander), Arcabuco and Tipacoque (Boyacá). The phytopathogenic fungi were isolated using direct seeding of leaves with symptoms of fungal infection in ogy, Sabouraud, and pda + Lactic acid at 0.2%. We used the plate counting technique for the isolation of bacteria from rhizospheric and bulk soil. Phytophthora ramorum was not isolated, but phytopathogenic fungi of the genus Fusarium spp., and Pestalotia spp., were obtained in the isolates. Microbial populations of rhizospheric and bulk soil were scarce, exhibited low diversity, and were dominated by few morphotypes. We identiied four species of bacteria: Pseudomonas luorescens, Bacillus macerans, Bacillus subtilis and Staphylococcus epidermidis. The phyllosphere community was dominated by Pseudomonas luorescens. The species Pseudomonas luorescens and Bacillus subtilis did not exhibited antagonistic properties against Pestalotia spp. Further studies are required to conirm Fusarium spp., and Pestalotia spp., pathogenic activity against Quercus humboldtii.eng
dc.format.mimetypeapplication/pdfspa
dc.format.mimetypetext/htmlspa
dc.language.isospaspa
dc.publisherUniversidad Distrital Francisco José de Caldasspa
dc.rights.urihttps://creativecommons.org/licenses/by-nc-sa/4.0/spa
dc.sourcehttps://revistas.udistrital.edu.co/index.php/colfor/article/view/3453spa
dc.subjectilósferaspa
dc.subjectmicroorganismos antagonistasspa
dc.subjectQuercus humboldtiispa
dc.subjectrizosferaspa
dc.subjectsuelo total.spa
dc.subjectphyllosphereeng
dc.subjectantagonistic microorganismseng
dc.subjectQuercus humboldtiieng
dc.subjectrhizosphereeng
dc.subjectbulk soil.eng
dc.titleIdentificación De Hongos Fitopatógenos Asociados Al Roble (Quercus Humboldtii Bonpl.), En Los Municipios De Encino (Santander), Arcabuco, Y Tipacoque (Boyacá)spa
dc.typeArtículo de revistaspa
dc.identifier.doi10.14483/udistrital.jour.colomb.for.2010.2.a10
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.type.coarhttp://purl.org/coar/resource_type/c_6501spa
dc.type.coarhttp://purl.org/coar/resource_type/c_2df8fbb1spa
dc.type.localJournal articleeng
dc.title.translatedIdentification of phytopathogenic fungi associated with oak (Quercus humboldtii Bonpl.), in the municipalities of Encino (Santander), Arcabuco and Tipacoque (Boyacá)eng
dc.rights.coarhttp://purl.org/coar/access_right/c_abf2spa
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dc.relation.citationvolume13spa
dc.relation.citationissue2spa
dc.relation.citationeditionNúm. 2 , Año 2010 : Julio-Diciembrespa
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dc.identifier.eissn2256-201X
dc.identifier.urlhttps://doi.org/10.14483/udistrital.jour.colomb.for.2010.2.a10
dc.relation.citationstartpage347
dc.relation.citationendpage356
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