Eficacia de Bacillus subtilis en el control de Oídio en vid cv. Red Globe en el valle de Cañete, Lima, Perú

C. Vicente; S. Manrique; M. R. Utia

doi:10.51431/par.v3i1.660

Authors

C. Vicente Escuela Profesional de Ingeniería Agronómica, Universidad Nacional José Faustino Sánchez Carrión, Lima, Perú
S. Manrique Departamento de Agronomía, Universidad Nacional José Faustino Sánchez Carrión, Lima, Perú. https://orcid.org/0000-0003-2780-3025
M. R. Utia Departamento de Agronomía, Universidad Nacional José Faustino Sánchez Carrión, Lima, Perú. https://orcid.org/0000-0002-2396-3382

DOI:

https://doi.org/10.51431/par.v3i1.660

Keywords:

Bacillus subtilis, Uncinula necator, biocontrol, grapes cv. Red globe

Abstract

Objectives: To evaluate the efficacy of Bacillus subtilis in the control of oidium in table grapes cv. Red Globe in the Cañete valley, Lima. Methodology: The research was carried out between the months of september 2018 to may 2019 in Los Juncos, Cañete valley, Lima, Peru. A randomized complete block design with four treatments and four replications was used. The treatments were: a) Control; b) 200 mL ha-1 Serenade (Bacillus subtilis, strain QST 713); c) 300 mL ha-1 Serenade; and 300 gr ha-1 Nativo 75WP (Trifloxystrobin + Tebuconazole). The experimental unit was 54 m2 with three 5-year-old plants cv. Red globe. The severity and incidence of the disease and the percentage of efficacy in leaves and bunches were evaluated. Results: The treatment with the lowest incidence and severity index and the highest percentage of efficacy in the control of the disease in leaves and bunches was 300 mL ha-1 of Serenade, significantly (P<0.05) surpassing the other treatments. Conclusion: The application of 300 mL ha-1 of Serenade in leaves and clusters, reduced the incidence and severity index of the disease, as well as a higher percentage of efficacy.

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