Cultivation of the green algal strain 5618. Scenedesmus obtusiusculus in artificial sea water

Felföldy, Lajos and Uherkovich, Gábor (1965) Cultivation of the green algal strain 5618. Scenedesmus obtusiusculus in artificial sea water. A Magyar Tudományos Akadémia Tihanyi Biológiai Kutatóintézetének évkönyve, 32. pp. 255-264. ISSN 0365-3005

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Abstract

The strain 5618. Scenedesmus obtusiusculus Сноп, belonging to the collection of algae of the Biological Research Institute at Tihany was cultured in artificial sea water and in 1/2 and 1/4 dilutions thereof (S‰ = 35.2, 18.2, 9.7). The following properties of suspension decreased with increasing salinities: dry matter content, cell number, protein and chlorophyll content of cells, photosynthetic activity. On the other hand a little increase in carotenoid content of dry cell material was demonstrable. The experimental results well agree with the experiences in field algology, namely that the members of genus Scenedesmus are not to be found in marine habitats above 18‰ salinity. This strain is not suitable for mass cultivation in pure sea water, but it will have some possibilities in brackish waters (S‰ </ 10-12).

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