Characterization of Fusarium spp., A Phytopathogen of avocado (Persea americana Miller var. drymifolia (Schltdl. and Cham.)) in Michoacán, México
Avocado has great socioeconomic importance in Mexico because of the benefits it generates for the production chain participants and the significant foreign exchange earnings engendered by the export of its fruit. However, this crop has phytosanitary problems, caused mainly by fungi, among which the...
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| Formato: | Online |
| Lenguaje: | eng |
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Facultad de Ciencias Agrarias-UNCuyo
2020
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| Acceso en línea: | https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3875 |
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Olalde Lira, Guillermo Gregorio Raya Montaño, Yurixhi Atenea Apáez Barrios, Patricio Vargas-Sandoval, Margarita Pedraza Santos, Martha Elena Raymundo, Tania Valenzuela Garza, Ricardo Lara-Chávez, Ma. Blanca Nieves |
| spellingShingle |
Olalde Lira, Guillermo Gregorio Raya Montaño, Yurixhi Atenea Apáez Barrios, Patricio Vargas-Sandoval, Margarita Pedraza Santos, Martha Elena Raymundo, Tania Valenzuela Garza, Ricardo Lara-Chávez, Ma. Blanca Nieves Characterization of Fusarium spp., A Phytopathogen of avocado (Persea americana Miller var. drymifolia (Schltdl. and Cham.)) in Michoacán, México patógeno vegetal pudrición de raíz enfermedades de cultivos Ascomycetes Fusarium oxysporum Schl Fusarium solani Mart plant pathogen root rot crop disease Ascomycetes Fusarium oxysporum Schl Fusarium solani Mart |
| author_facet |
Olalde Lira, Guillermo Gregorio Raya Montaño, Yurixhi Atenea Apáez Barrios, Patricio Vargas-Sandoval, Margarita Pedraza Santos, Martha Elena Raymundo, Tania Valenzuela Garza, Ricardo Lara-Chávez, Ma. Blanca Nieves |
| author_sort |
Olalde Lira, Guillermo Gregorio |
| title |
Characterization of Fusarium spp., A Phytopathogen of avocado (Persea americana Miller var. drymifolia (Schltdl. and Cham.)) in Michoacán, México |
| title_short |
Characterization of Fusarium spp., A Phytopathogen of avocado (Persea americana Miller var. drymifolia (Schltdl. and Cham.)) in Michoacán, México |
| title_full |
Characterization of Fusarium spp., A Phytopathogen of avocado (Persea americana Miller var. drymifolia (Schltdl. and Cham.)) in Michoacán, México |
| title_fullStr |
Characterization of Fusarium spp., A Phytopathogen of avocado (Persea americana Miller var. drymifolia (Schltdl. and Cham.)) in Michoacán, México |
| title_full_unstemmed |
Characterization of Fusarium spp., A Phytopathogen of avocado (Persea americana Miller var. drymifolia (Schltdl. and Cham.)) in Michoacán, México |
| title_sort |
characterization of fusarium spp., a phytopathogen of avocado (persea americana miller var. drymifolia (schltdl. and cham.)) in michoacán, méxico |
| description |
Avocado has great socioeconomic importance in Mexico because of the benefits it generates for the production chain participants and the significant foreign exchange earnings engendered by the export of its fruit. However, this crop has phytosanitary problems, caused mainly by fungi, among which the genus Fusarium stands out. The objective of this study was to characterize Fusarium species that caused root rot in avocado trees in Michoacan, Mexico. In 19 isolates of Fusarium spp., polymerase chain reactions (PCR) with primers coding for elongation factor and calmodulin genes were performed. These sequences were compared in homology using BLAST analysis and aligned in MEGA 6.0. Cladograms were created based on maximum verisimilitude. The pathogenicity of the isolates was evaluated based on their virulence and severity in the avocado plants. Morphological and molecular analyses showed that 15 isolates belonged to F. oxysporum Schl and four to F. solani Mart. All isolates were pathogenic, with virulence ranging from 16 to 56 days. All isolates produced root rot and yellowing of leaves, with 63% producing wilting and 16% producing apical necrosis, the latter being the most severe.
Highlights
From: Fusarium spp. is reported in avocado in Michoacán, México.
With the morphological and molecular methods, two species of the gender Fusarium; F. oxysporum and solani, were identified in avocado crops.
The species found in avocado can cause death of nursery seedlings and trees of various ages due to the destruction of their root system.
The gender Fusarium is found in all the crops in Michoacán, México, considerably decreasing the production for the damage inflicted in the root, causing significant losses in the production of its fruit.
|
| publisher |
Facultad de Ciencias Agrarias-UNCuyo |
| publishDate |
2020 |
| url |
https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3875 |
| topic |
patógeno vegetal pudrición de raíz enfermedades de cultivos Ascomycetes Fusarium oxysporum Schl Fusarium solani Mart plant pathogen root rot crop disease Ascomycetes Fusarium oxysporum Schl Fusarium solani Mart |
| topic_facet |
patógeno vegetal pudrición de raíz enfermedades de cultivos Ascomycetes Fusarium oxysporum Schl Fusarium solani Mart plant pathogen root rot crop disease Ascomycetes Fusarium oxysporum Schl Fusarium solani Mart |
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I11-R107article-38752020-12-04T21:59:31Z Characterization of Fusarium spp., A Phytopathogen of avocado (Persea americana Miller var. drymifolia (Schltdl. and Cham.)) in Michoacán, México Characterization of Fusarium spp., A Phytopathogen of avocado (Persea americana Miller var. drymifolia (Schltdl. and Cham.)) in Michoacán, México Olalde Lira, Guillermo Gregorio Raya Montaño, Yurixhi Atenea Apáez Barrios, Patricio Vargas-Sandoval, Margarita Pedraza Santos, Martha Elena Raymundo, Tania Valenzuela Garza, Ricardo Lara-Chávez, Ma. Blanca Nieves patógeno vegetal pudrición de raíz enfermedades de cultivos Ascomycetes Fusarium oxysporum Schl Fusarium solani Mart plant pathogen root rot crop disease Ascomycetes Fusarium oxysporum Schl Fusarium solani Mart Avocado has great socioeconomic importance in Mexico because of the benefits it generates for the production chain participants and the significant foreign exchange earnings engendered by the export of its fruit. However, this crop has phytosanitary problems, caused mainly by fungi, among which the genus Fusarium stands out. The objective of this study was to characterize Fusarium species that caused root rot in avocado trees in Michoacan, Mexico. In 19 isolates of Fusarium spp., polymerase chain reactions (PCR) with primers coding for elongation factor and calmodulin genes were performed. These sequences were compared in homology using BLAST analysis and aligned in MEGA 6.0. Cladograms were created based on maximum verisimilitude. The pathogenicity of the isolates was evaluated based on their virulence and severity in the avocado plants. Morphological and molecular analyses showed that 15 isolates belonged to F. oxysporum Schl and four to F. solani Mart. All isolates were pathogenic, with virulence ranging from 16 to 56 days. All isolates produced root rot and yellowing of leaves, with 63% producing wilting and 16% producing apical necrosis, the latter being the most severe. Highlights From: Fusarium spp. is reported in avocado in Michoacán, México. With the morphological and molecular methods, two species of the gender Fusarium; F. oxysporum and solani, were identified in avocado crops. The species found in avocado can cause death of nursery seedlings and trees of various ages due to the destruction of their root system. The gender Fusarium is found in all the crops in Michoacán, México, considerably decreasing the production for the damage inflicted in the root, causing significant losses in the production of its fruit. Avocado has great socioeconomic importance in Mexico because of the benefits it generates for the production chain participants and the significant foreign exchange earnings engendered by the export of its fruit. However, this crop has phytosanitary problems, caused mainly by fungi, among which the genus Fusarium stands out. The objective of this study was to characterize Fusarium species that caused root rot in avocado trees in Michoacan, Mexico. In 19 isolates of Fusarium spp., polymerase chain reactions (PCR) with primers coding for elongation factor and calmodulin genes were performed. These sequences were compared in homology using BLAST analysis and aligned in MEGA 6.0. Cladograms were created based on maximum verisimilitude. The pathogenicity of the isolates was evaluated based on their virulence and severity in the avocado plants. Morphological and molecular analyses showed that 15 isolates belonged to F. oxysporum Schl and four to F. solani Mart. All isolates were pathogenic, with virulence ranging from 16 to 56 days. All isolates produced root rot and yellowing of leaves, with 63% producing wilting and 16% producing apical necrosis, the latter being the most severe. Highlights From: Fusarium spp. is reported in avocado in Michoacán, México. With the morphological and molecular methods, two species of the gender Fusarium; F. oxysporum and solani, were identified in avocado crops. The species found in avocado can cause death of nursery seedlings and trees of various ages due to the destruction of their root system. The gender Fusarium is found in all the crops in Michoacán, México, considerably decreasing the production for the damage inflicted in the root, causing significant losses in the production of its fruit. Facultad de Ciencias Agrarias-UNCuyo 2020-12-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3875 Revista de la Facultad de Ciencias Agrarias UNCuyo; Vol. 52 No. 2 (2020): June-December; 301-316 Revista de la Facultad de Ciencias Agrarias UNCuyo; Vol. 52 Núm. 2 (2020): Julio-Diciembre; 301-316 1853-8665 0370-4661 eng https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3875/2808 |
