Madhu*
Department of Botany, B.N.M.University, Madhepura, Bihar, India
Received :18th January 2020 ; Revised : 28th February 2020
Abstract : Phosphate is an essential nutrient of cyanobacteria. In M. aeruginosa phosphate concentration in medium, effect toxin production. Higher concentration of phosphate in medium causes high production of toxin. Maximum toxin production was observed in 5mg/l of concentration of phosphate in 12 day old culture. Higher concentration above the 5mg/l reduces toxin production.
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