Abstract
The use of bacteria for red tides control is a promising method, but the microalgae sterile is the basis of the research. The effects of Amipicillin, Gentamycin sulfate, Nomycin sulfate, Chcoramphencol, Kanamycin sulfate on the growth, Chl-a and MDA content of Prorocentrum minimum were studied under laboratory conditions. The results showed that Gentamycin sulfate and Kanamycin sulfate could stimulated the growth of P. minimum under lower concentrations (0.05mg/mL), and the growth stimulation was significant (pP. minimum under higher concentrations. The growth inhibition was significant (pP. minimum showed the significant difference in sensitivity to five kinds of antibiotics. The inhibition of Chcoramphencol was the largest, while Kanamycin sulfate was the smallest in the five kinds of antibiotics. The Chl-a content was decreased (p<0.05) by five kinds of antibiotics when the concentration was 2.00mg/mL. Besides, the accumulation of MDA content was observed by Chcoramphencol treatment. Therefore, Chcoramphencol could not be used for the microalgae sterile.
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