The Protective Effect of Trichoderma asperellum on Tomato Plants against Fusarium oxysporum and Botrytis cinerea Diseases Involves Inhibition of Reactive Oxygen Species Production
Por:
Herrera-Tellez, Veronica I., Cruz-Olmedo, Ana K., Plasencia, Javier, Gavilanes-Ruiz, Marina, Arce-Cervantes, Oscar, Hernandez-Leon, Sergio, Saucedo-Garcia, Mariana
Publicada:
2 abr 2019
Resumen:
Trichoderma species are fungi widely employed as plant-growth-promoting
agents and for biological control. Several commercial and
laboratory-made solid formulations for mass production of Trichoderma
have been reported. In this study, we evaluated a solid kaolin-based
formulation to promote the absortion/retention of Trichoderma asperellum
in the substrate for growing tomato plants. The unique implementation of
this solid formulation resulted in an increased growth of the tomato
plants, both in roots and shoots after 40 days of its application.
Plants were challenged with two fungal pathogens, Fusarium oxysporum and
Botrytis cinerea, and pretreatment with T. asperellum resulted in less
severe wilting and stunting symptoms than non-treated plants. Treatment
with T. asperellum formulation inhibited Reactive Oxygen Species (ROS)
production in response to the pathogens in comparison to plants that
were only challenged with both pathogens. These results suggest that
decrease in ROS levels contribute to the protective effects exerted by
T. asperellum in tomato.
Filiaciones:
Herrera-Tellez, Veronica I.:
Univ Autonoma Estado Hidalgo, Inst Ciencias Basicas & Ingn, Pahuaca Tulancingo Bravo Kilometro 4-5, Mineral De La Reforma 42184, Hidalgo, Mexico
Instituto de Ciencias Básicas e Ingeniería, Universidad Autónoma del Estado de Hidalgo, Pachuca-Tulancingo de Bravo Kilómetro 4.5, Mineral de la Reforma, Hidalgo, 42184, Mexico
Cruz-Olmedo, Ana K.:
Inst Tecnol Acapulco, Carr Cayaco Puerto Marques S-N, Acapulco 39905, Guerrero, Mexico
Instituto Tecnológico de Acapulco, Carr. Cayaco Puerto Marqués s/n, Del PRI, Acapulco, Guerrero 39905, Mexico
Plasencia, Javier:
Univ Nacl Autonoma Mexico, Fac Quim, Dept Bioquim, Mexico City 04510, DF, Mexico
Departamento de Bioquímica, Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
Gavilanes-Ruiz, Marina:
Univ Nacl Autonoma Mexico, Fac Quim, Dept Bioquim, Mexico City 04510, DF, Mexico
Departamento de Bioquímica, Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
Arce-Cervantes, Oscar:
Rancho Univ, Inst Ciencias Agr, Univ Autonoma Estado Hidalgo, Ave Univ Km 1, Tulancingo 43600, Hidalgo, Mexico
Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Avenida Universidad Km. 1 Rancho Universitario Tulancingo-Santiago Tulantepec, Tulancingo, Hidalgo 43600, Mexico
Hernandez-Leon, Sergio:
Rancho Univ, Inst Ciencias Agr, Univ Autonoma Estado Hidalgo, Ave Univ Km 1, Tulancingo 43600, Hidalgo, Mexico
Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Avenida Universidad Km. 1 Rancho Universitario Tulancingo-Santiago Tulantepec, Tulancingo, Hidalgo 43600, Mexico
Saucedo-Garcia, Mariana:
Rancho Univ, Inst Ciencias Agr, Univ Autonoma Estado Hidalgo, Ave Univ Km 1, Tulancingo 43600, Hidalgo, Mexico
Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Avenida Universidad Km. 1 Rancho Universitario Tulancingo-Santiago Tulantepec, Tulancingo, Hidalgo 43600, Mexico
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