Artículo
Mycofumigation of postharvest blueberries with volatile compounds from Trichoderma atroviride IC-11 is a promising tool to control rots caused by Botrytis cinerea
Bello, Fernando; Montironi, Ivana Dalila
; Medina, María Belén
; Munitz, Martín Sebastián; Ferreira, Flavia Vanina
; Williman, Celia
; Vazquez, Daniel; Cariddi, Laura Noelia
; Musumeci, Matías Alejandro
Fecha de publicación:
09/2022
Editorial:
Academic Press Ltd - Elsevier Science Ltd
Revista:
Food Microbiology
ISSN:
0740-0020
e-ISSN:
1095-9998
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Botrytis cinerea, the causal agent of the gray mold, is a filamentous fungus that infects blueberries and can cause important production losses in postharvest storage. Considering that the use of synthetic fungicides is not allowed on blueberries in postharvest conditions, alternative and natural strategies are needed to control gray mold. The objective of this work was to evaluate the capability of volatile organic compounds (VOCs) produced by Trichoderma atroviride IC-11 to control B. cinerea growth in blueberries after harvest. These VOCs inhibited almost completely B. cinerea growth in vitro. The most abundant volatile compound was 6-pentyl-α-pyrone (6PP). In vitro assays with pure 6PP confirmed its antifungal activity. The incidence of gray mold was evaluated in blueberries inoculated with B. cinerea and exposed to volatiles of T. atroviride IC-11. Gray mold incidence among those stored in air at 20 °C for 14 days was 100%, while the incidence among the volatile-treated fruit was 17%. Gray mold incidence among those stored in air at 4 °C for 31 days was 82%, while the incidence among the volatile-treated fruit was 11%. T. atroviride IC-11 VOCs inhibited mycelial growth and conidia germination of B. cinerea. The binding of VOCs to the surface of hyphae caused their vacuolation and deterioration. Selective cytotoxicity of 6PP on B. cinerea was observed but not on human intestinal cells at specific concentrations that controlled gray mold. The postharvest mycofumigation of blueberries with T. atroviride IC-11 VOCs is a promising approach to protect these fruits from gray mold.
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Articulos (INBIAS)
Articulos de INSTITUTO DE BIOTECNOLOGIA AMBIENTAL Y SALUD
Articulos de INSTITUTO DE BIOTECNOLOGIA AMBIENTAL Y SALUD
Articulos(CCT - CORDOBA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - CORDOBA
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - CORDOBA
Citación
Bello, Fernando; Montironi, Ivana Dalila; Medina, María Belén; Munitz, Martín Sebastián; Ferreira, Flavia Vanina; et al.; Mycofumigation of postharvest blueberries with volatile compounds from Trichoderma atroviride IC-11 is a promising tool to control rots caused by Botrytis cinerea; Academic Press Ltd - Elsevier Science Ltd; Food Microbiology; 106; 9-2022; 1-14
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