Ying Yong Sheng Tai Xue Bao
April 2015
In this study, the effects of iso-osmotic solution of Mg (NO3) 2 and NaCl on seedling growth, leaf lipid peroxidation, antioxidant enzyme activities, and osmotic adjustment substance accumulation were investigated using three cucumber cultivars with different ecotypes. Then salt tolerance was evaluated by membership function method. The results revealed that under the stress of 60 and 80 mmol x L(-1) Mg(NO3) 2 solution and its isotonic 90 and 120 mmol x L(-1) NaCl solution, the seedling traits such as height, stem diameter, leaf area, fresh and dry mass of aerial part and underground parts, and antioxidant enzymes activity were obviously decreased with the increasing concentration of Mg( NO3)2 and its isotonic NaCl in the three cucumber cultivars.
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