Genotypes sensitivity of eggplant (Solanum melongena L.) by sodium chloride
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Abstract
Results indicated that the LC50 for genotypes G1 (local variety), G2 (Hamas), G3 (F1 EPA 18174), G4 (F1 TM Spartan) was 6542.22 ppm, 2452.15 ppm, 2188.19 ppm, and 7019.65 ppm, respectively. The response of the four eggplant genotypes to salinity stress was a polynomial fit. The tolerance limit of eggplant to salinity stress was 6000 ppm. The genotype G4 (F1 TM Spartan) was the most salinity-tolerant genotype. There were no significant interaction effects between salt concentration and genotypes on plant height, number of leaves, leaf greenness, length of root, fresh weight, and dry weight. The salt concentration significantly affected the number of leaves and leaf greenness, but not plant height, length of root, fresh weight, and dry weight. The genotypes of eggplant significantly affected plant height, number of leaves, leaf greenness, fresh weight, and dry weight, but not the length of the root. In conclusion, the value LC50 for the genotype G1, G2, G3 and G4 was 6542.22, 2452.15, 2188.19, and 7019.65 ppm, respectively.
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