Abstract
Micro organisms take part in soil material transformation process and play an important role in soil formation, fertility evolution, plant nutrient in effect, soil structure formation and improvement and degradation and purifi cation of toxic substances. As an important component of soil micro organism, fungi take a very important position in structure and function of ecosystem. The soil samples were collected and dilution technique and direct plating technique was used to deter mine the number of fungal CFU in soil samples and to isolate pure cultures. Fungi were identified according to their macrosco pic and microscopic features. During the study the identified fungus are Aspergillus japonicus , Aspergillus tereus, Aspergillus ni dulans , Aspergillus flavus , Bortyodiplodia , Aspergillus niger, Trichoderma, Monilia. The statistical report was done for the serial dilution techique to find out the maximum fungal growth and it was found to be Hypomycetes. As fungi thrive in competitive e nvironments, it is hypothesized that their metabolic compatibility has been strongly influenced by natural selection. The most abundantly grown fungi were found to be Aspergillus niger and it is tested for the synthesis of silver nanoparticles.
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