In the present study the interactive effect of NaCl and gypsum (CaSO4.2H2O.) on biochemical contents of Chlorella vulgaris Beijerinck was investigated. In order to evaluate the role of gypsum in the alleviation of saline stress, Chlorella was treated with different concentrations (0.1-0.4M) of NaCl and NaCl fortified with gypsum (10mM) besides control. The study revealed that the total chlorophyll contents increased upto 0.2M thereafter it was declined. While addition of gypsum (10mM) showed significant promotion in the total chlorophyll contents at higher levels too. The protein contents gradually decreased in all the concentrations of NaCl but gypsum treatments promoted their contents. While NaCl treatments increased the accumulation of proline in all the concentrations but glycinebetaine increased up to 0.3 M thereafter declined. However addition of gypsum decreased proline and glycinebetaine contents. The study revealed that gypsum treatment could alleviate the adverse effect of salinity on Chlorella vulgaris.

Author Name: Pratima Mathad and Shaila Hiremath

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Keywords: Chlorella, Gypsum, Glycinebetaine NaCl, Proline

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EISSN: 2229 – 6905

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