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Gray Mold in Blueberry: Current Research on Pathogenesis, Host Resistance, and Control Strategies

Year: 2025

Type: article

Abstract: Gray mold, caused by Botrytis cinerea, poses a significant fungal threat to postharvest blueberries, leading to substantial economic losses and challenging the sustainable development of the blueberry industry. This highlights the urgent necessity for comprehensive research to develop effective and sustainable management solutions. This review offers a systematic overview of gray mold in blueberries, with a particular emphasis on elucidating the pathological mechanisms employed by B. cinerea, including its infection pathways and virulence factors. It examines the resistance mechanisms in blueberries, which include both preformed and induced physical and biochemical defenses, and synthesizes existing control strategies. These strategies range from conventional fungicides to emerging alternatives such as biological control agents, natural antimicrobials, physical treatments, and integrated pest management (IPM) approaches. Furthermore, the paper explores future research directions by identifying key knowledge gaps and promising areas for innovation. This study aims to bridge the gap between fundamental knowledge and practical application, thereby providing a robust theoretical foundation and actionable guidance for the effective prevention and management of gray mold in blueberry production and storage.

Source: Horticulturae

DOI: 10.3390/horticulturae11101241