Identificación y distribución de Phytophthora spp., agente causante de la pudrición negra del fruto de cacao (Theobroma cacao L.) en la Amazonia Noroccidental

Ilustraciones, fotografías, tablas

Autores:
Rojas Castillo, July Andrea
Tipo de recurso:
Fecha de publicación:
2024
Institución:
Universidad Nacional de Colombia
Repositorio:
Universidad Nacional de Colombia
Idioma:
spa
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oai:repositorio.unal.edu.co:unal/86413
Acceso en línea:
https://repositorio.unal.edu.co/handle/unal/86413
https://repositorio.unal.edu.co/
Palabra clave:
630 - Agricultura y tecnologías relacionadas
Fitopatología
Plant pathology
Agricultura tropical
Tropical agriculture
Control de enfermedades de plantas
Plant disease control
Sanidad vegetal
Variación genética
Genetic variation
Diversidad de especies
Distribución de especies
Incidencia
Severidad
Temporada climática
Species diversity
Species distribution
Incidence
Severity
Climatic season
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openAccess
License
Atribución-NoComercial-SinDerivadas 4.0 Internacional
id UNACIONAL2_1d70faa53d8390d53d26d8c024f54020
oai_identifier_str oai:repositorio.unal.edu.co:unal/86413
network_acronym_str UNACIONAL2
network_name_str Universidad Nacional de Colombia
repository_id_str
dc.title.spa.fl_str_mv Identificación y distribución de Phytophthora spp., agente causante de la pudrición negra del fruto de cacao (Theobroma cacao L.) en la Amazonia Noroccidental
dc.title.translated.eng.fl_str_mv Identification and distribution of Phytophthora spp., the causative agent of black rot of cocoa fruit (Theobroma cacao L.) in the Northwestern Amazon
title Identificación y distribución de Phytophthora spp., agente causante de la pudrición negra del fruto de cacao (Theobroma cacao L.) en la Amazonia Noroccidental
spellingShingle Identificación y distribución de Phytophthora spp., agente causante de la pudrición negra del fruto de cacao (Theobroma cacao L.) en la Amazonia Noroccidental
630 - Agricultura y tecnologías relacionadas
Fitopatología
Plant pathology
Agricultura tropical
Tropical agriculture
Control de enfermedades de plantas
Plant disease control
Sanidad vegetal
Variación genética
Genetic variation
Diversidad de especies
Distribución de especies
Incidencia
Severidad
Temporada climática
Species diversity
Species distribution
Incidence
Severity
Climatic season
title_short Identificación y distribución de Phytophthora spp., agente causante de la pudrición negra del fruto de cacao (Theobroma cacao L.) en la Amazonia Noroccidental
title_full Identificación y distribución de Phytophthora spp., agente causante de la pudrición negra del fruto de cacao (Theobroma cacao L.) en la Amazonia Noroccidental
title_fullStr Identificación y distribución de Phytophthora spp., agente causante de la pudrición negra del fruto de cacao (Theobroma cacao L.) en la Amazonia Noroccidental
title_full_unstemmed Identificación y distribución de Phytophthora spp., agente causante de la pudrición negra del fruto de cacao (Theobroma cacao L.) en la Amazonia Noroccidental
title_sort Identificación y distribución de Phytophthora spp., agente causante de la pudrición negra del fruto de cacao (Theobroma cacao L.) en la Amazonia Noroccidental
dc.creator.fl_str_mv Rojas Castillo, July Andrea
dc.contributor.advisor.none.fl_str_mv Rojas Triviño, Edwison Alberto
Ortíz Morea, Fausto Andrés
Mesa Cobo, Nora Cristina
dc.contributor.author.none.fl_str_mv Rojas Castillo, July Andrea
dc.contributor.researchgroup.spa.fl_str_mv Protección Vegetal Para El Mejoramiento de la Productividad
dc.contributor.orcid.spa.fl_str_mv 0009-0006-5524-4290
dc.contributor.cvlac.spa.fl_str_mv https://scienti.minciencias.gov.co/cvlac/visualizador/generarCurriculoCv.do?cod_rh=0002119126
dc.subject.ddc.spa.fl_str_mv 630 - Agricultura y tecnologías relacionadas
topic 630 - Agricultura y tecnologías relacionadas
Fitopatología
Plant pathology
Agricultura tropical
Tropical agriculture
Control de enfermedades de plantas
Plant disease control
Sanidad vegetal
Variación genética
Genetic variation
Diversidad de especies
Distribución de especies
Incidencia
Severidad
Temporada climática
Species diversity
Species distribution
Incidence
Severity
Climatic season
dc.subject.agrovoc.none.fl_str_mv Fitopatología
Plant pathology
Agricultura tropical
Tropical agriculture
Control de enfermedades de plantas
Plant disease control
Sanidad vegetal
Variación genética
Genetic variation
dc.subject.proposal.spa.fl_str_mv Diversidad de especies
Distribución de especies
Incidencia
Severidad
Temporada climática
dc.subject.proposal.eng.fl_str_mv Species diversity
Species distribution
Incidence
Severity
Climatic season
description Ilustraciones, fotografías, tablas
publishDate 2024
dc.date.accessioned.none.fl_str_mv 2024-07-08T19:37:37Z
dc.date.available.none.fl_str_mv 2024-07-08T19:37:37Z
dc.date.issued.none.fl_str_mv 2024-05-08
dc.type.spa.fl_str_mv Trabajo de grado - Maestría
dc.type.driver.spa.fl_str_mv info:eu-repo/semantics/masterThesis
dc.type.version.spa.fl_str_mv info:eu-repo/semantics/acceptedVersion
dc.type.content.spa.fl_str_mv Text
dc.type.redcol.spa.fl_str_mv http://purl.org/redcol/resource_type/TM
status_str acceptedVersion
dc.identifier.uri.none.fl_str_mv https://repositorio.unal.edu.co/handle/unal/86413
dc.identifier.instname.spa.fl_str_mv Universidad Nacional de Colombia
dc.identifier.reponame.spa.fl_str_mv Repositorio Institucional Universidad Nacional de Colombia
dc.identifier.repourl.spa.fl_str_mv https://repositorio.unal.edu.co/
url https://repositorio.unal.edu.co/handle/unal/86413
https://repositorio.unal.edu.co/
identifier_str_mv Universidad Nacional de Colombia
Repositorio Institucional Universidad Nacional de Colombia
dc.language.iso.spa.fl_str_mv spa
language spa
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dc.publisher.faculty.spa.fl_str_mv Facultad de Ciencias Agropecuarias
dc.publisher.place.spa.fl_str_mv Palmira, Valle del Cauca, Colombia
dc.publisher.branch.spa.fl_str_mv Universidad Nacional de Colombia - Sede Palmira
institution Universidad Nacional de Colombia
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spelling Atribución-NoComercial-SinDerivadas 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Rojas Triviño, Edwison Alberto99ee15dff8b1405b92a81050bb73569cOrtíz Morea, Fausto Andrés0061e27862ce01d3c14a87f987df583aMesa Cobo, Nora Cristina63b30c605a285e4113c459dc3cbd7cd4Rojas Castillo, July Andrea6a268306565931dff407b8acc24f9268Protección Vegetal Para El Mejoramiento de la Productividad0009-0006-5524-4290https://scienti.minciencias.gov.co/cvlac/visualizador/generarCurriculoCv.do?cod_rh=00021191262024-07-08T19:37:37Z2024-07-08T19:37:37Z2024-05-08https://repositorio.unal.edu.co/handle/unal/86413Universidad Nacional de ColombiaRepositorio Institucional Universidad Nacional de Colombiahttps://repositorio.unal.edu.co/Ilustraciones, fotografías, tablasLa caracterización de las especies de Phytophthora spp. que afectan cacao en función de los factores ambientales en la Amazonía es escasa. Por lo tanto, el objetivo de la investigación fue comprender la distribución y diversidad morfológica y genética de Phytophthora spp. en temporada seca (Ts) y de lluvias (Tll) en los municipios de Belén, La Montañita, El Paujil y El Doncello del departamento de Caquetá. En cada sitio de muestreo, fueron recolectadas las coordenadas geográficas, la incidencia de la enfermedad y muestras de frutos enfermos; a partir de los cuales, se obtuvieron aislados en agar CMA-PARPB y fueron purificados y, conservados en agar V8-RPBH. Los aislados fueron caracterizados morfológicamente siguiendo claves taxonómicas, y molecularmente con extracción de ADN total, amplificación, secuenciación y análisis filogenético de las regiones ITS1-5.8S-ITS2 y COX-I. La virulencia del patógeno fue caracterizada en frutos de los clones CCN51 y LUKER40. Se obtuvieron 114 aislados, distribuidos en siete morfotipos de esporangios y siete patrones coloniales, taxonómicamente identificados como P. palmivora, P. megakarya, P. citrophthora, P. nicotianae y, P. capsici, sin embargo, filogenéticamente fue identificada P. palmivora, determinando incongruencias entre la variabilidad morfológica y molecular. La virulencia evidenció diferencias significativas entre temporadas y clones, observándose la mayor severidad en los aislados de Ts y menor susceptibilidad en el clon CCN 51. La incidencia de la enfermedad fue mayor en Tll (10%), comparado con Ts (5,83%), adicionalmente, se observó el mayor tamaño de esporangios en Ts y mayor cantidad de esporangios en el gradiente entre 200 – 550 msnm en las dos temporadas. Este estudio reporta a P. palmivora como el agente causante de la Pudrición negra del fruto de cacao, así como, los hallazgos morfológicos, genéticos, patogénicos y ambientales que influyen sobre la identificación y el desarrollo de la enfermedad en cultivos de la Amazonía noroccidental. (Texto tomado de la fuente)The characterization of the species of Phytophthora spp. that affect cocoa depending on environmental factors in the Amazon is scarce. Therefore, the objective of the research was to understand the distribution and morphological and genetic diversity of Phytophthora spp. in the dry season (Ts) and rainy season (Tll) in the municipalities of Belén, La Montañita, El Paujil and El Doncello in the department of Caquetá. At each sampling site, geographical coordinates, disease incidence and samples of diseased fruits were collected; from which, isolates were obtained on CMA-PARPB agar and were purified and preserved on V8-RPBH agar. The isolates were characterized morphologically following taxonomic keys, and molecularly with total DNA extraction, amplification, sequencing and phylogenetic analysis of the ITS1-5.8S-ITS2 and COX-I regions. The virulence of the pathogen was characterized in fruits of clones CCN51 and LUKER40. 114 isolates were obtained, distributed in seven sporangial morphotypes and seven colonial patterns, taxonomically identified as P. palmivora, P. megakarya, P. citrophthora, P. nicotianae and, P. capsici, however, phylogenetically P. palmivora was identified, determining inconsistencies between morphological and molecular variability. Virulence showed significant differences between seasons and clones, with the highest severity observed in the Ts isolates and the lowest susceptibility in the CCN 51 clone. The incidence of the disease was higher in Tll (10%), compared to Ts (5.83%), additionally, the largest size of sporangia was observed in Ts and the greatest number of sporangia in the gradient between 200 – 550 meters above sea level in both seasons. This study reports P. palmivora as the causative agent of black rot of cocoa fruit, as well as the morphological, genetic, pathogenic, and environmental findings that influence the identification and development of the disease in crops in the northwestern Amazon.MaestríaMagíster en Ciencias AgrariasEn cada sitio de muestreo, fueron recolectadas las coordenadas geográficas, la incidencia de la enfermedad y muestras de frutos enfermos; a partir de los cuales, se obtuvieron aislados en agar CMA-PARPB y fueron purificados y, conservados en agar V8-RPBH. Los aislados fueron caracterizados morfológicamente siguiendo claves taxonómicas, y molecularmente con extracción de ADN total, amplificación, secuenciación y análisis filogenético de las regiones ITS1-5.8S-ITS2 y COX-I. La virulencia del patógeno fue caracterizada en frutos de los clones CCN51 y LUKER40. Se obtuvieron 114 aislados, distribuidos en siete morfotipos de esporangios y siete patrones coloniales, taxonómicamente identificados como P. palmivora, P. megakarya, P. citrophthora, P. nicotianae y, P. capsici, sin embargo, filogenéticamente fue identificada P. palmivora, determinando incongruencias entre la variabilidad morfológica y molecular.Protección de cultivosCiencias Agropecuarias.Sede Palmiraxiv, 75 páginas + anexosapplication/pdfspaUniversidad Nacional de ColombiaPalmira - Ciencias Agropecuarias - Maestría en Ciencias AgrariasFacultad de Ciencias AgropecuariasPalmira, Valle del Cauca, ColombiaUniversidad Nacional de Colombia - Sede Palmira630 - Agricultura y tecnologías relacionadasFitopatologíaPlant pathologyAgricultura tropicalTropical agricultureControl de enfermedades de plantasPlant disease controlSanidad vegetalVariación genéticaGenetic variationDiversidad de especiesDistribución de especiesIncidenciaSeveridadTemporada climáticaSpecies diversitySpecies distributionIncidenceSeverityClimatic seasonIdentificación y distribución de Phytophthora spp., agente causante de la pudrición negra del fruto de cacao (Theobroma cacao L.) en la Amazonia NoroccidentalIdentification and distribution of Phytophthora spp., the causative agent of black rot of cocoa fruit (Theobroma cacao L.) in the Northwestern AmazonTrabajo de grado - Maestríainfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/acceptedVersionTexthttp://purl.org/redcol/resource_type/TMAmazonas, Colombiahttp://vocab.getty.edu/page/tgn/1000499Abad, Z., Burgess, T., Redford, A., Bienapfl, J., Srivastava, S., Mathew, R., & Jennings, K. 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Crop Protection, 72, 66-75. https://doi.org/10.1016/j.cropro.2015.01.015Alarcón, J., Arevalo, E., Diaz, A., Galindo, J., & Rorero, A. (2012). Manejo Fitosanitario del cultivo del cacao. En Produmedios (Ed.), Corpoica. https://www.ica.gov.co/getattachment/c01fa43b-cf48-497a-aa7f-51e6da3f7e96/-Ali, S., Shao, J., Lary, D., Kronmiller, B., Shen, D., Strem, M., Amoako-Attah, I., Akrofi, A. Y., Begoude, B. A. D., ten Hoopen, G. M., Coulibaly, K., Kebe, B. I., Melnick, R. L., Guiltinan, M. J., Tyler, B. M., Meinhardt, L. W., & Bailey, B. A. (2017). Phytophthora megakarya and Phytophthora palmivora, Closely Related Causal Agents of Cacao Black Pod Rot, Underwent Increases in Genome Sizes and Gene Numbers by Different Mechanisms. Genome Biology and Evolution, 9(3), 536-557. https://doi.org/10.1093/gbe/evx021Appiah, A., Flood, J., Bridge, P., & Archer, S. (2003). Inter and intraspecific morphometric variation and characterization of Phytophthora isolates from cocoa. 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Transactions of the British Mycological Society, 69(2), 329-332. https://doi.org/10.1016/s0007-1536(77)80060-0Identificación y distribución de Phytophthora spp., agente causante de la Pudrición negra del fruto de cacao (Theobroma cacao L.) en la Amazonia NoroccidentalUniversidad de la AmazoniaEstudiantesLICENSElicense.txtlicense.txttext/plain; charset=utf-85879https://repositorio.unal.edu.co/bitstream/unal/86413/1/license.txteb34b1cf90b7e1103fc9dfd26be24b4aMD51ORIGINAL1117786013.2024.pdf1117786013.2024.pdfTesis de Maestría en Ciencias Agrarias - Protección de Cultivosapplication/pdf2334286https://repositorio.unal.edu.co/bitstream/unal/86413/2/1117786013.2024.pdff65e7693f0bacd3d5ab2d4321f699effMD52THUMBNAIL1117786013.2024.pdf.jpg1117786013.2024.pdf.jpgGenerated Thumbnailimage/jpeg5532https://repositorio.unal.edu.co/bitstream/unal/86413/3/1117786013.2024.pdf.jpgefdad580e216f3377258d8de723e470cMD53unal/86413oai:repositorio.unal.edu.co:unal/864132024-07-08 23:19:44.187Repositorio 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