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Artículo

Biocontrol features of Clavispora lusitaniae against Penicillium digitatum on lemons

Perez, María Florencia; Diaz, Mariana AndreaIcon ; Pereyra, Martina MaríaIcon ; Córdoba, Josefina María; Isas, Ana Sofía; Sepulveda, Milena; Ramallo, Jacqueline; Dib, Julian RafaelIcon
Fecha de publicación: 09/2019
Editorial: Elsevier Science
Revista: Postharvest Biology and Technology
ISSN: 0925-5214
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Biología Celular, Microbiología

Resumen

Penicillium digitatum is the main pathogen which causes postharvest decays in lemons, and the use of synthetic fungicides is the principal way of controlling these postharvest infections. In our previous work, identifying biological alternatives to the use of fungicides, a killer strain of Clavispora lusitaniae 146, which exhibited highly protective activity against green mold on lemons, was isolated from citrus plants. The aim of the present work was to study the ability of C. lusitaniae 146 to colonize wounds in lemon fruit and its effect on P. digitatum spore germination. Additionally, the protection efficacy of yeast strain 146 against an imazalil-resistant P. digitatum as well as yeast survival on commercial waxes were also evaluated. Results indicated that C. lusitaniae 146 exhibited an evident ability to colonize wounds in lemons and continue to grow at both low and room temperatures. In addition, the use of heat-inactivated cells showed a certain degree of efficacy against fruit decays. The ability of C. lusitaniae 146 to inhibit spore germination and its high efficiency against both sensitive and resistant fungi to fungicides were also demonstrated. Lastly, it was found that C. lusitaniae 146 could survive in natural waxes for 7 d at 25 °C and 40 d at 8 °C. Thus, our studies confirmed the potential industrial use of C. lusitaniae 146 as an effective biocontrol agent against postharvest infections of lemons caused by P. digitatum.
Palabras clave: BIOLOGICAL CONTROL , CLAVISPORA LUSITANIAE , LEMONS , PENICILLIUM DIGITATUM , POSTHARVEST
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/92095
URL: https://www.sciencedirect.com/science/article/pii/S0925521419301140?via%3Dihub
DOI: https://doi.org/10.1016/j.postharvbio.2019.05.012
Colecciones
Articulos(PROIMI)
Articulos de PLANTA PILOTO DE PROC.IND.MICROBIOLOGICOS (I)
Citación
Perez, María Florencia; Diaz, Mariana Andrea; Pereyra, Martina María; Córdoba, Josefina María; Isas, Ana Sofía; et al.; Biocontrol features of Clavispora lusitaniae against Penicillium digitatum on lemons; Elsevier Science; Postharvest Biology and Technology; 155; 9-2019; 57-64
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