Stress susceptibility index (SSI) was calculated for the tested genotypes under 15 and 20 dS/m salt stress and non-stress conditions by using this formula (Fischer and Maurer, 1978):
Ys = means of characters under salt stress conditions;
Yp = mean of character under non-stress condition.
While for stress intensity (SI):
Ŷs = means of all the genotypes under stress conditions.
Ŷp = means of all the genotypes under non-stress condition.
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