Abstract
The influence of various concentrations of Ag, TiO2, and SiO2 nanoparticles on conidia germination of the phytopathogenic fungus Bipolaris sorokiniana and mycelium growth of the xylotrophic fungi Pleurotus ostreatus and Neonothopanus nambi was analyzed. It is established that a decrease in conidia germination of phytopathogenic fungus and mycelium growth of the xylotrophic fungi occurs at relatively high silver nanoparticle concentrations. The appropriate ЕС50 values for Bipolaris sorokiniana, Pleurotus ostreatus, and Neonothopanus nambi are found to be 30, 14, and 31 mg/dm3, respectively. No effect of various concentrations of TiO2 and SiO2 nanoparticles on the studied cultures of fungi is highlighted. Thus, the negative impact of nanosilver on the growth of fungi at a high concentration which is untypical for objects of the environment and a lack of this influence of titanium dioxide and silica nanoparticles testifies to the high resistance of mycelial forms of organisms to engineered nanoparticles.
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