Abstract
Salinity induces the abiotic stresses which affects plant cellmetabolism and reduces plant productivity. This researchwas carried out in order to investigate the effect of saltstress on seedling growth and antioxidant activity amongtwo genotypes of eggplant (Solanum melongena L.). Saltstress treatments were applied using salt solutions with 0(control), 25, 50, 75, 100, 125 and 150 mM NaCl. In experiment,the effect of different concentration measured of salt levelon germination percentage, seedling length, seedling freshand dry weight. Results of the study showed that salt stressinduced changes in antioxidant enzymes, superoxidedismutase (SOD) and peroxidase (POD), chlorophyll contentand proline concentration. Salt treatment sharply decreasedseedling length, fresh weight, dry weight and chlorophyllcontent in GT26-genotype when compared with GT25-genotype. Both the genotypes (GT25 and GT26) showed anincreased in proline, SOD and POD activities under saltcondition. However, these increases were higher in GT25than GT26. These results indicate that eggplant genotypesrespond to salt induced oxidative stress by enzymaticdefence systems.
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