Metal nanoparticles are well known for their antimicrobial properties. The use of metalbased nanoparticles in the agricultural field has considerably increased globally by both direct and indirect means for the management of plant diseases. In this context, the development of controlled delivery systems for slow and sustained release of metal nanoparticles is crucial for prolonged antimicrobial activity. Polymers have emerged as a valuable carrier for controlled delivery of metal nanoparticles as agrochemicals because of their distinctive properties. The most significant benefits of encapsulating metal nanoparticles in a polymer matrix include the ability to function as a protector of metal nanoparticles and their controlled release with prolonged efficacy. This review focuses on loading strategies and releasing behavior of metal nanoparticles in the polymer matrix as antimicrobial agents for plant diseases. The Polymer-metal nanocomplexes (PMNs) comprise a biocompatible polymeric matrix and metal nanoparticles as active components of an antimicrobial agent, pesticides and plant growth regulators used to enhance the crop productivity.
Keywords: Agri-inputs; Antimicrobial agent; Biocompatible polymeric matrix; Metal nanoparticles; Polymer-metal nanocomplexes; Polymers..
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