Comprehensive assessment of salt tolerance in nine spring maize hybrids across the entire growth period.

Analysis of variance revealed highly significant differences among hybrids and between stress treatments for nearly all traits, indicating substantial genetic variation in salt tolerance among the tested maize hybrids ( Table 2 ; Figure 2 ).Plant height, ear height, stem diameter, shoot dry weight, and root dry weight significantly reduced under salt stress in this study ( Table 2 ; Supplementary Tables 2 , 3 ).

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