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Resumen de Control of Macrophomina pseudophaseolina Crous, Sarr & Ndiaye with Trichoderma spp. and botanical and chemical pesticides

José Luis Arispe Vázquez, José Francisco Díaz Nájera, Sergio Ayvar Serna, Jose A Flores Yañez, Mateo Vargas Hernández, Daniel Alejandro Cadena Zamudio

  • Objective: The objective of the research was to evaluate in in vitro, greenhouse and field conditions, the effectiveness of biological, botanical and chemical pesticides for the control of Macrophomina pseudophaseolina. Design/methodology/approach: In vitro, greenhouse and field experiments were carried out to evaluate the control effect of different pesticides for the control of M. pseudophaseolina. Results: It was determined that all the evaluated strains of Trichoderma spp. they had a fungistatic effect against M. pseudophaseolina, and T. reesei showed the greatest antagonism and antibiosis against M. pseudophaseolina. High, medium and low doses of NeemAcar® and high and medium doses of Regalia® Maxx inhibited 100% the growth of M. pseudophaseolina mycelium. In the greenhouse, the lowest percentage of severity was obtained in the treatment with Regalia® Maxx + T. reesei. In the field, the lowest severity was determined with the application of NeemAcar® CE + Headline®. Limitations on study/implications: Our results are essential for the management of this disease by producers. Findings/conclusions: The implementation of the use of Trichoderma spp., botanical pesticides and chemical insecticides is recommended for the control of M. pseudophaseolina, .


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