Nanotechnology is a trending area of multidisciplinary research. It provides many opportunities in diverse field of science like chemical engineering, medicine, pharmaceuticals, environment and agriculture. The prospective uses and advantages of nano science in agriculture are enormous. Nanomaterials have small size and distinctive physical and chemical features and due to this, they play significant role in the different agricultural applications like seed germination, seedling growth, plant development and plant protection. Various studies show that technology based on nanomaterials will have large and deep-rooted impact on agricultural area and crop production. Nanomaterials improve seed germination percentage rate and increase length of root and shoot with their ratio and biomass. Nanomaterials enhance biological parameters such as photosynthetic process and nitrogen metabolism in several crop plants. In the recent agricultural scenario, nanotechnology is playing a major role in crop disease management because of its environment friendly nature and potentiality. To reduce the side effects of nanotechnology on health of living organism and environment, the world is moving towards green nanotechnology. Green synthesis of metallic nanoparticles, characterization of synthesized nanoparticles and their potential application are discussed in this review.

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