STUDY OF VARIOUS PHYSICO-CHEMICAL PARAMETERS ON GROWTH BEHAVIOR ON DIFFERENT ALGAL ISOLATES FROM SHASTRA DISTRICTS
Simmi Kumari* and Shikha Choudhary
ABSTRACT
The study of various physico-chemical parameter gives insight of cyanobacterial growth pattern which was measured in dry weight (mg/l) best growth of M. Aeruginosa was observed in a Jaworski’s medium flowed by Allen arnon medium, BG-11 medium and CHU10 medium respectively Best growth of O. limnosa observed in BG-11 medium flowed by Allen arnon medium and Jaworski’s medium. A. circinalis showed best growth in CHU10 medium flowed by BG-11 medium and Allen arnon medium. Incandescent light supported the best growth of all three algae. The poorest growth was observed in Far
red light. Blue light algae grew initially up to 9th day and then ceased growing. The growth and biomass production studied at varying temperature. Maximum growth was observed at 300C followed by 25, 35, 40 and 200C. While maximum growth of O. limnosa at pH 8.5 and that of A. circinalis at 8. The growth was recorded in the pH range of 7 to 11. Growth of cyanobacteria in different inorganic sources was concentration dependent which showed the impact of various concentrations of nitrogen sources on M. aeruginosa, O. limnosa and A. circinalis.
Keywords: Physico-Chemical Parameters, Growth Behavior, Cyanobacteria.
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