Antagonism Trichoderma spp. strains isolated from Tanaxuri, Michoacan, Mexico against pathogens of avocado (Persea americana Mill)

Antagonism Trichoderma spp. strains isolated from Tanaxuri, Michoacan, Mexico against pathogens of avocado (Persea americana Mill)

Some species of the genus Trichoderma have the ability to parasitize fungal plant pathogens. This makes them interesting in the control of diseases (anthracnose) caused by fungi in post-harvest avocado fruit. Therefore, the objective of this research was the isolation and identification of native st...

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Autores principales: López-López, María Estela, Del-Toro-Sánchez, Carmen Lizette, Ochoa-Ascencio, Salvador, Aguilar-López, José Antonio, Martínez Cruz, Oliviert, Madrigal-Pulido, Jaime Alberto, Robles-García, Miguel Angel, Bernal-Mercado, Ariadna Thalia, Ávila-Novoa, María Guadalupe, Guerrero-Medina, Pedro Javier, Gutiérrez-Lomelí, Melesio
Formato: Online
Lenguaje:spa
Publicado: Universidad de Sonora 2022
Acceso en línea:https://biotecnia.unison.mx/index.php/biotecnia/article/view/1726
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author López-López, María Estela
Del-Toro-Sánchez, Carmen Lizette
Ochoa-Ascencio, Salvador
Aguilar-López, José Antonio
Martínez Cruz, Oliviert
Madrigal-Pulido, Jaime Alberto
Robles-García, Miguel Angel
Bernal-Mercado, Ariadna Thalia
Ávila-Novoa, María Guadalupe
Guerrero-Medina, Pedro Javier
Gutiérrez-Lomelí, Melesio
spellingShingle López-López, María Estela
Del-Toro-Sánchez, Carmen Lizette
Ochoa-Ascencio, Salvador
Aguilar-López, José Antonio
Martínez Cruz, Oliviert
Madrigal-Pulido, Jaime Alberto
Robles-García, Miguel Angel
Bernal-Mercado, Ariadna Thalia
Ávila-Novoa, María Guadalupe
Guerrero-Medina, Pedro Javier
Gutiérrez-Lomelí, Melesio
Antagonism Trichoderma spp. strains isolated from Tanaxuri, Michoacan, Mexico against pathogens of avocado (Persea americana Mill)
author_facet López-López, María Estela
Del-Toro-Sánchez, Carmen Lizette
Ochoa-Ascencio, Salvador
Aguilar-López, José Antonio
Martínez Cruz, Oliviert
Madrigal-Pulido, Jaime Alberto
Robles-García, Miguel Angel
Bernal-Mercado, Ariadna Thalia
Ávila-Novoa, María Guadalupe
Guerrero-Medina, Pedro Javier
Gutiérrez-Lomelí, Melesio
author_sort López-López, María Estela
title Antagonism Trichoderma spp. strains isolated from Tanaxuri, Michoacan, Mexico against pathogens of avocado (Persea americana Mill)
title_short Antagonism Trichoderma spp. strains isolated from Tanaxuri, Michoacan, Mexico against pathogens of avocado (Persea americana Mill)
title_full Antagonism Trichoderma spp. strains isolated from Tanaxuri, Michoacan, Mexico against pathogens of avocado (Persea americana Mill)
title_fullStr Antagonism Trichoderma spp. strains isolated from Tanaxuri, Michoacan, Mexico against pathogens of avocado (Persea americana Mill)
title_full_unstemmed Antagonism Trichoderma spp. strains isolated from Tanaxuri, Michoacan, Mexico against pathogens of avocado (Persea americana Mill)
title_sort antagonism trichoderma spp. strains isolated from tanaxuri, michoacan, mexico against pathogens of avocado (persea americana mill)
description Some species of the genus Trichoderma have the ability to parasitize fungal plant pathogens. This makes them interesting in the control of diseases (anthracnose) caused by fungi in post-harvest avocado fruit. Therefore, the objective of this research was the isolation and identification of native strains of Trichoderma spp. of avocado cultures with antagonistic potential in vivo and in vitro against pathogens of this fruit. The strains were isolated from the root and soil of the avocado in the town of Tanaxuri, Michoacán. Six strains were obtained and characterized as TSONM1 (Trichoderma spp.), TRONM2 (Trichoderma spp.), TSONM3 (Trichoderma spp.), TSONM4 (Trichoderma spp.), TSONM5 (Trichoderma spp.) and TSONM6 (Trichoderma harzianum). Subsequently, the isolated strains were confronted with Neofusicoccum parvum, Colletotrichum gloeosporioides, Diaporthe sp. and Phomopsis perseae, observing in vitro inhibitions greater than 80 %. While in the in vivo evaluation, the TSONM6 strain (Trichoderma harzianum) showed greater antagonistic activity against C. gloeosporioides, Diaporthe sp. and P. persea. Additionally, the avocado fruits treated with TSONM6, presented minimum percentages (< 2%) of rotting of the pulp and peduncle. Therefore, Thichoderma harzianun could be a good alternative for postharvest biological control of avocado.
publisher Universidad de Sonora
publishDate 2022
url https://biotecnia.unison.mx/index.php/biotecnia/article/view/1726
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spelling biotecnia-article-17262023-05-10T21:14:27Z Antagonism Trichoderma spp. strains isolated from Tanaxuri, Michoacan, Mexico against pathogens of avocado (Persea americana Mill) Antagonismo de cepas de Trichoderma spp. aisladas en Tanaxuri, Michoacán, México contra patógenos del aguacate (Persea americana Mill) López-López, María Estela Del-Toro-Sánchez, Carmen Lizette Ochoa-Ascencio, Salvador Aguilar-López, José Antonio Martínez Cruz, Oliviert Madrigal-Pulido, Jaime Alberto Robles-García, Miguel Angel Bernal-Mercado, Ariadna Thalia Ávila-Novoa, María Guadalupe Guerrero-Medina, Pedro Javier Gutiérrez-Lomelí, Melesio Biological control Trichoderma harzianum anthracnose avocado fruits Control biológico Trichoderma harzianum actracnosis frutos de aguacate Some species of the genus Trichoderma have the ability to parasitize fungal plant pathogens. This makes them interesting in the control of diseases (anthracnose) caused by fungi in post-harvest avocado fruit. Therefore, the objective of this research was the isolation and identification of native strains of Trichoderma spp. of avocado cultures with antagonistic potential in vivo and in vitro against pathogens of this fruit. The strains were isolated from the root and soil of the avocado in the town of Tanaxuri, Michoacán. Six strains were obtained and characterized as TSONM1 (Trichoderma spp.), TRONM2 (Trichoderma spp.), TSONM3 (Trichoderma spp.), TSONM4 (Trichoderma spp.), TSONM5 (Trichoderma spp.) and TSONM6 (Trichoderma harzianum). Subsequently, the isolated strains were confronted with Neofusicoccum parvum, Colletotrichum gloeosporioides, Diaporthe sp. and Phomopsis perseae, observing in vitro inhibitions greater than 80 %. While in the in vivo evaluation, the TSONM6 strain (Trichoderma harzianum) showed greater antagonistic activity against C. gloeosporioides, Diaporthe sp. and P. persea. Additionally, the avocado fruits treated with TSONM6, presented minimum percentages (< 2%) of rotting of the pulp and peduncle. Therefore, Thichoderma harzianun could be a good alternative for postharvest biological control of avocado. Algunas especies del género Trichoderma poseen la capacidad de parasitar patógenos fúngicos de plantas. Esto las hace interesantes en el control de enfermedades (antracnosis) causadas por hongos en el fruto de aguacate poscosecha. Por lo tanto, el objetivo de esta investigación fue el aislamiento e identificación de cepas nativas de Trichoderma spp. de cultivos de aguacate con potencial antagonista in vivo e in vitro contra patógenos de este fruto. Las cepas fueron aisladas de raíz y suelo del huerto de aguacate en la localidad de Tanaxuri, Michoacán. Se obtuvieron seis cepas y se caracterizaron como TSONM1 (Trichoderma spp.), TRONM2 (Trichoderma spp.), TSONM3 (Trichoderma spp.), TSONM4 (Trichoderma spp.), TSONM5 (Trichoderma spp.) y TSONM6 (Trichoderma harzianum). Posteriormente, las cepas aisladas fueron confrontadas con Neofusicoccum parvum, Colletotrichum gloeosporioides, Diaporthe sp. y Phomopsis perseae observándose inhibiciones in vitro mayores al 80 %. Mientras que en la evaluación in vivo, la cepa TSONM6 (Trichoderma harzianum) presentó mayor actividad antagónica contra  C. gloeosporioides, Diaporthe sp. y  P. persea. Adicionalmente, los frutos de aguacate tratados con TSONM6, presentaron mínimos porcentajes (< 2 %) de pudrición de la pulpa y pedúnculo. Por lo tanto, Thichoderma harzianun podría ser una buena alternativa para el control biológico del aguacate en poscosecha. Universidad de Sonora 2022-11-14 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Original peer-reviewed articles Artículos originales evaluados por pares application/pdf text/xml https://biotecnia.unison.mx/index.php/biotecnia/article/view/1726 10.18633/biotecnia.v25i1.1726 Biotecnia; Vol. 25 No. 1 (2023): January - April; 24 - 33 Biotecnia; Vol. 25 Núm. 1 (2023): Enero - Abril; 24 - 33 1665-1456 1665-1456 spa https://biotecnia.unison.mx/index.php/biotecnia/article/view/1726/728 https://biotecnia.unison.mx/index.php/biotecnia/article/view/1726/823 Derechos de autor 2022 https://creativecommons.org/licenses/by-nc-sa/4.0

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