SALT TOLERANCE IN TEN CULTIVARS OF EGGPLANT (Solanum melongena L.)

in HortScience

Eggplant is an important vegetable crop in Kuwait. Eggplant is considered to have moderately sensitive salt-tolerance, though no quantitative information is available on its salt sensitivity. Selecting salt-tolerant genotypes in eggplant is an ongoing project at Kuwait Institute for Scientific Research. Towards the goal of selecting salt-tolerant genotypes in eggplant a completely randomized experiment using 10 cultivars, replicated 3 times were tested against 2 levels of high salinity stress (EC MS.cm-1 at 25°C, 15.0 and 18.0) along with the control (EC MS.cm-1 at 25°C, 3.0). The experiment was conducted on 15 days old seedlings inside a greenhouse. Data on shoot length and visual observations on leaf necrosis, leaf collapse and root color was also recorded. There was a clear degree of variability as well as significant differences in growth and final survival, between cultivars at 2 levels of salinity stress. Those genotypes that showed significant higher growth rates and survival without any signs on leaf necrosis and root collapse formed the basis salt-tolerant genotypes.

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