EFFECT OF TEMPERATURES ON THE GROWTH OF FLORAL WASTE DEGRADING FUNGI
2019
Bhati, Praveesh
The goal of present study was to find out optimum growth temperature of isolated floral waste degrading fungi viz. Aspergillus fumigatus, Aspergillus flavus, Alternaria alternate and Aspergillus terreus. Eleven different temperature range ( 20°C, 22°C, 24°C, 26°C, 28°C, 30°C, 32°C, 34°C,36°C,38°C,40°C) were selected to find the optimum growth of these fungi on floral extract-basal medium for flask experiments. The optimum growth temperature of all four fungal strains was found at 32°C±1°C. Beside Alternaria alternate, remaining other three selected fungal strains showed growth at all selected temperatures. At optimum growth temperature (32°C±1°C), the highest growth occurred in Aspergillus fumigates and Aspergillus terreus (155 mg/50 ml/7 days) while lowest growth was observed in Aspergillus flavus and Alternaria alternata (140 mg/50 ml/7 days). At minimum selected growth temperature (20°C), maximum growth was found in Aspergillus flavus (45 mg/50 ml/7 days) and lowest growth occurred in Alternaria alternata (35 mg/50 ml/7 days) while at maximum selected growth temperature (40°C) highest growth seen in Aspergillus fumigatus and Aspergillus flavus (30 mg/50 ml/7 days) and no growth recorded in Alternaria alternata (00 mg/50 ml/7 days).
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