An investigation of the soil mycoflora in sugarcane field of Thanjavur District-Tamilnadu

Soil is a complex ecosystem, delimited by physicochemical parameters that hold enormous number of living organisms. This study deals with the seasonal variations in soil fungal population of traditional sugarcane field in Thanjavur district, Tamil Nadu viz Orathanadu and Pattukottai. About 49 different species belonging to Phycomycetes and Deuteromycetes were isolated by using PDA medium and identified by using standard manual. The dominant species were Aspergillus niger, A. flavus followed by Botrytis cinera, Trichoderma viride, T.harzianum, T.koeningii, T.glaucum, Penicillium chrysogenum and P.citrinum from the sugarcane field soils of Orathanadu in various seasons whereas, in Pattukottai soils the dominant species were A.niger, Botrytis cinera followed by A.oryzae, Fusarium oxysporum, Gliocladium virens, P.chrysogenum and T.viride respectively. Total fungus in two station, they are 27 species belong to 11 genera were identified from Orathanadu station and 32 species belong to 13 genera were identified from Pattukottai station