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Article

Antifungal Activity of Beauveria bassiana Endophyte against Botrytis cinerea in Two Solanaceae Crops

1
Instituto de Investigaciones Agropecuarias (INIA) Quilamapu, Av. Vicente Méndez 515, Chillán 3800062, Chile
2
Facultad de Agronomía, Universidad de Concepción, Vicente Mendez 595, Chillán 3812120, Chile
*
Author to whom correspondence should be addressed.
Microorganisms 2020, 8(1), 65; https://doi.org/10.3390/microorganisms8010065
Received: 11 December 2019 / Revised: 24 December 2019 / Accepted: 28 December 2019 / Published: 31 December 2019
(This article belongs to the Special Issue Fungal Endophytes and Their Interactions with Plants)
Botrytis cinerea causes substantial losses in tomato and chili pepper crops worldwide. Endophytes have shown the potential for the biological control of diseases. The colonization ability of native endophyte strains of Beauveria bassiana and their antifungal effect against B. cinerea were evaluated in Solanaceae crops. Root drenching with B. bassiana was applied, and endophytic colonization capacity in roots, stems, and leaves was determined. The antagonistic activity was evaluated using in vitro dual culture and also plants by drenching the endophyte on the root and by pathogen inoculation in the leaves. Ten native strains were endophytes of tomato, and eight were endophytes of chili pepper. All strains showed significant in vitro antagonism against B. cinerea (30–36%). A high antifungal effect was observed, and strains RGM547 and RGM644 showed the lowest percentage of the surface affected by the pathogen. Native strains of B. bassiana colonized tomato and chili pepper tissues and provided important levels of antagonism against B. cinerea. View Full-Text
Keywords: entomopathogenic fungi; biological control; antifungal activity; Solanum lycopersicum; Capsicum annuum entomopathogenic fungi; biological control; antifungal activity; Solanum lycopersicum; Capsicum annuum
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MDPI and ACS Style

Barra-Bucarei, L.; France Iglesias, A.; Gerding González, M.; Silva Aguayo, G.; Carrasco-Fernández, J.; Castro, J.F.; Ortiz Campos, J. Antifungal Activity of Beauveria bassiana Endophyte against Botrytis cinerea in Two Solanaceae Crops. Microorganisms 2020, 8, 65. https://doi.org/10.3390/microorganisms8010065

AMA Style

Barra-Bucarei L, France Iglesias A, Gerding González M, Silva Aguayo G, Carrasco-Fernández J, Castro JF, Ortiz Campos J. Antifungal Activity of Beauveria bassiana Endophyte against Botrytis cinerea in Two Solanaceae Crops. Microorganisms. 2020; 8(1):65. https://doi.org/10.3390/microorganisms8010065

Chicago/Turabian Style

Barra-Bucarei, Lorena, Andrés France Iglesias, Macarena Gerding González, Gonzalo Silva Aguayo, Jorge Carrasco-Fernández, Jean F. Castro, and Javiera Ortiz Campos. 2020. "Antifungal Activity of Beauveria bassiana Endophyte against Botrytis cinerea in Two Solanaceae Crops" Microorganisms 8, no. 1: 65. https://doi.org/10.3390/microorganisms8010065

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