Compiles current research on nanomaterials as well as their versatile applications in plant biotic stress management Describes role of nanomaterials as enzyme-mimicking nanoparticles, nano-pesticides, nano-fertilizers, and nanomaterials Reviews day-to-day problems related to crop plants, their diagnostics and stress management Explores trends in nanomaterials utility towards diagnostics, enzyme-mimicking, crop protection and their possible role in plant disease management Includes pertinent nanomaterials including synthetic strategies, properties, chemistry, and applications