Blue light inhibits gray mold infection by inducing disease resistance in cherry tomato

Sun, Jiayi and Tan, Xinhui and Liu, Bingjie and Battino, Maurizio and Meng, Xianghong and Zhang, Fang UNSPECIFIED, UNSPECIFIED, UNSPECIFIED, maurizio.battino@uneatlantico.es, UNSPECIFIED, UNSPECIFIED (2024) Blue light inhibits gray mold infection by inducing disease resistance in cherry tomato. Postharvest Biology and Technology, 215. p. 113006. ISSN 09255214

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Abstract

Induced resistance is considered as a sustainable strategy to control postharvest decay of fruits, while light emitting diodes (LEDs) as a green physical technology are of more and more interest in postharvest fruit preservation field. In this study, we evaluated for the first time the resistance inducing ability of LED irradiation with different light wavelengths and photoperiods for cherry tomatoes (Solanum lycopersicum L. ‘Qianxi’). Results indicated the exposure to 40 W m-2 of four light wavelengths for 3 d decreased B. cinerea lesion diameter on harvested cherry tomatoes, notably the best effect in blue light (470 nm). Meanwhile, the mechanism of blue light-induced disease resistance is the enhancement of defense-enzyme activity and the expression of defense-related genes. Moreover, results revealed that blue light enhanced vitamin C content and the firmness of the fruit exocarp, suggesting the potential usage of blue light in the postharvest preservation of cherry tomatoes.

Item Type: Article
Subjects: Subjects > Nutrition
Divisions: Europe University of Atlantic > Research > Scientific Production
Depositing User: Sr Bibliotecario
Date Deposited: 02 Jul 2024 09:37
Last Modified: 02 Jul 2024 09:37
URI: http://repositorio.funiber.org/id/eprint/13004

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