Active ingridents combination also provides the feasibility to reduce residue due to the solar radiation activity.Thus, it encouraged us to set up a new green nanocide which management fungal pathogen using a synergistic antimicrobial activity and successive photocatalytic degrade pesticide residue to protect plant proficiently and eco-friendly.Such aims led us to focus on cupric nanoparticles which are low-cost, stable, sensitive to pathogen fungi.Nanobiocide a product prapared by mixing several bio-based chemicals was reported to eliminate fungus magnaporthe grisea the causal agent agent of rice blast disease.
Few researchers have studied the combined antimicrobial effect of inorganic NPs with biooganic pesticides in the field of plant protectio let alone demonstrated synergistic effect.The effect of combination between different active ingredients may increase antimicrobial activity reduce pesticide usage and delay the development of fungal resistance.Ecofriendly hybird nanofungicides enable smaller quantities of the fungcides to be used effectively over a given period of time interval and in that their desingn enables them to resist the environmental that their act to eliminate conventionally applied pesticides i.e. Leaching evaporation and and photolytic chemical hydrolysis and biodegradation.Chitosan and Cu-chitosan nanoparticles proed their uniform size and stability which may contribute to their higher antifungal activity against alternaria alternata macrophomina phaseolina and rhizoctonia in in vitro studies.Cu-chitosan nanoparticles also showed maxiumum inhibition rate of spore germination of A.alternata.Compared to chitosan and Cu-chitosan nanoparticles the chitosan-saponin nanoparticles were found poor antifungal activity.