The present investigation was made pertaining to the effect of different concentrations of sodium chloride (NaCl) on Avicennia officinalis. Germination and growth parameters such as root length, shoot length, number of leaf, leaf area fresh weight and dry weight were analysed. Growth attributes got increased with increasing NaCl concentration up to 0.75% NaCl. Higher concentration of NaCl was inhibitory to seed germination. Thus, the optimum concentration of NaCl A. Officinalis seedlings was 0.75.
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