1. Concepts and definitions in microbiology and nanotechnology in plant sciences 2. Uptake of nanomaterials by plants and translocation within plants 3. Cross-talk of nanoparticles with plant signalling molecules: morphological, physiological, and genotoxic aspects 4. Highlighting the properties of commercially used nanomaterials-based products and their application in agriculture 5. Environmental behaviour and fate of nanomaterials in plant-soil system 6. Different interactions of plants in the rhizosphere: Mechanisms and their ecological benefits 7. Involvement of microbial species for plant growth promotion and disease suppression 8. Cross talk of signalling molecules with microbes in plant cell 9. Involvement of various signalling pathways in nanoparticle-microbe interactions in plants 10. Mechanistic aspects of microbial synthesis of nanoparticles for plant-based applications 11. Seed priming with nanomaterials and microbes and related growth mechanisms 12. Exploring the antimicrobial capacity of different nanoparticles in pursuit of eradicating biotic stress 13. Scope of virus-based nanoparticles as nanocarriers in agroecosystem 14. Cell cycle regulations of plants under nano-microbe supplements 15. Role of nanotherapeutics in agriculture 16. Application of nanoparticles in precision agriculture 17. Role of plant growth promoting rhizobacteria in reducing nanoparticles stress 18. Genotoxicity of certain nanomaterials and their impact on plants and microbes 19. Ecotoxicity aspects of microbially synthesized nanomaterials 20. Development of nano-based sensors for mitigating plant stress: present status and future research