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Biocontrol of Postharvest Fruit Fungal Diseases by Bacterial Antagonists: A Review

Facultad de Ciencias Agrícolas, Universidad Veracruzana, 91090 Xalapa, Veracruz, México
Facultad de Ciencias Pecuarias, Universidad Técnica Estatal de Quevedo, EC120501 Los Ríos, Ecuador
Centro de Investigaciones y Asistencia en Tecnología y Diseño del Estado de Jalisco, 44270 Guadalajara, Jalisco, México
Centro de Investigaciones Biológicas del Noroeste, 23096 La Paz, Baja California Sur, México
Authors to whom correspondence should be addressed.
Agronomy 2019, 9(3), 121;
Received: 10 January 2019 / Revised: 26 February 2019 / Accepted: 27 February 2019 / Published: 5 March 2019
(This article belongs to the Section Horticultural and Floricultural Crops)
PDF [635 KB, uploaded 5 March 2019]


This review deals with the main mechanisms of action exerted by antagonistic bacteria, such as competition for space and nutrients, suppression via siderophores, hydrolytic enzymes, antibiosis, biofilm formation, and induction of plant resistance. These mechanisms inhibit phytopathogen growth that affects postharvest fruit since quality and safety parameters are influenced by the action of these microorganisms, which cause production losses in more than 50% of fruit tree species. The use of synthetic fungicide products has been the dominant control strategy for diseases caused by fungi. However, their excessive and inappropriate use in intensive agriculture has brought about problems that have led to environmental contamination, considerable residues in agricultural products, and phytopathogen resistance. Thus, there is a need to generate alternatives that are safe, ecological, and economically viable to face this problem. Phytopathogen inhibition in fruit utilizing antagonist microorganisms has been recognized as a type of biological control (BC), which could represent a viable and environmentally safe alternative to synthetic fungicides. Despite the ecological benefit that derives from the use of controllers and biological control agents (BCA) at a commercial level, their application and efficient use has been minimal at a global level. View Full-Text
Keywords: postharvest; biocontrol; fruit; antagonistic bacteria; biological control agents postharvest; biocontrol; fruit; antagonistic bacteria; biological control agents

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Carmona-Hernandez, S.; Reyes-Pérez, J.J.; Chiquito-Contreras, R.G.; Rincon-Enriquez, G.; Cerdan-Cabrera, C.R.; Hernandez-Montiel, L.G. Biocontrol of Postharvest Fruit Fungal Diseases by Bacterial Antagonists: A Review. Agronomy 2019, 9, 121.

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