Metal Nanoparticles: Management and Control of Phytopathogenic Fungi

The relentless challenges phytopathogens pose in agricultural ecosystems demand innovative and sustainable solutions to ensure global food security. This chapter explores the potential of metallic nanoparticles as a novel approach to combat fungal phytopathogens and enhance plant health. It provides an in-depth analysis of various metallic nanoparticles, their properties, and mechanisms of action against phytopathogens. It reviews different application methods, discusses challenges and risks, and outlines future perspectives. Beginning with an overview of the current scenario of phytopathogen-induced crop losses, it then discusses the synthesis methods for metallic nanoparticles, emphasizing their tunable properties and diverse applications. Insights into the mechanisms underlying the antimicrobial activity of metallic nanoparticles against phytopathogens are given, highlighting their potential to disrupt crucial cellular processes. Furthermore, the multifaceted roles of metallic nanoparticles in plant defense mechanisms like enhancing plant innate immunity and fortifying resistance against diverse pathogens are explored. Finally, it discusses potential challenges and future directions addressing nanoparticle stability, long-term ecological effects, and regulatory considerations. This chapter serves as a comprehensive resource for researchers and policymakers, interested in applying metallic nanoparticles as a cutting-edge nanoweapon against fungal phytopathogens. Offering a holistic perspective on the subject contributes to the ongoing dialogue on sustainable agriculture and the development of innovative solutions to address the complex challenges associated with plant diseases.