Biocontrol strategies for fungal diseases of Ganoderma lucidum: from antagonistic microbes and synthetic communities to intelligent technologies.

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Citation abstract

Ganoderma lucidum, a rare macrofungus renowned for its substantial medicinal and economic significance, is increasingly at risk from various pathogenic fungi, such as Neurospora sitophila, Trichoderma spp., and Fusarium graminearum, particularly during extensive cultivation processes. Conventional chemical control strategies raise apprehensions concerning pesticide residues and environmental contamination, which contradict the principles of green and organic cultivation of G. lucidum alongside its medicinal safety prerequisites. As a result, the formulation of environmentally sustainable, efficient, and targeted biocontrol approaches has become a pivotal challenge for the sustainable progression of the G. lucidum sector. This review comprehensively examines the infection biology and pathogenic mechanisms associated with the primary pathogens that impact G. lucidum, while also highlighting the shortcomings of existing control measures. It emphasizes biological control tactics, which include the direct inhibitory impacts of antagonistic microorganisms, the establishment of synthetic microbial communities exhibiting synergistic effects, and integrated strategies utilizing precision-targeted genetically modified strains. This review focuses on the use of beneficial microorganisms (biocontrol agents) to protect G. lucidum from fungal pathogens, rather than using G. lucidum itself as a biocontrol agent. Ultimately, we propose a prospective research framework that amalgamates multi-omics technologies, nanobiotechnology, and artificial intelligence. This review aspires to create a solid theoretical basis and technical pathway for the development of a new generation of specialized biocontrol agents for G. lucidum, thereby propelling the cultivation of medicinal fungi toward greener, more precise, and more efficient agricultural methodologies.