Cultivars | Treatments | Relative water content (%) | Chlorophyll fluorescence (Fv/Fm) | Stomatal conductance (mol m−2s−1) | Net photosynthetic rate (µ mol CO2 m−2 s−1) | Transpiration rate (m mol m−2s−1) | Water use efficiency |
---|---|---|---|---|---|---|---|
Adet | Control | 72.69 ± 1.58a | 0.821 ± 0.007a | 0.196 ± 0.006a | 15.77 ± 0.59b | 5.20 ± 0.18a | 3.03 ± 0.29a |
0 mM NaCl, with 0.5 mM SA | 73.86 ± 3.17a (1.61) | 0.834 ± 0.004a (1.58) | 0.198 ± 0.004a (1.02) | 19.21 ± 0.56a (21.81) | 5.38 ± 0.19a (3.46) | 3.57 ± 0.25a (17.82) | |
50 mM NaCl without SA | 71.40 ± 2.18a (1.77) | 0.781 ± 0.013b (4.87) | 0.182 ± 0.002b (7.14) | 14.72 ± 0.56bc (6.66) | 4.97 ± 0.14a (4.42) | 2.96 ± 0.27b (2.31) | |
50 mM NaCl with 0.5 mM SA | 72.06 ± 2.77a (0.86) | 0.815 ± 0.011a (0.73) | 0.194 ± 0.004a (1.02) | 17.13 ± 0.59a (8.62) | 5.03 ± 0.13a (3.27) | 3.41 ± 0.24a (12.54) | |
100 mM NaCl without SA | 68.72 ± 2.62a (5.46) | 0.738 ± 0.007c (10.11) | 0.161 ± 0.004c (17.86) | 11.87 ± 0.73d (24.73) | 4.46 ± 0.17b (14.23) | 2.66 ± 0.19b (12.21) | |
100 mM NaCl with 0.5 mM SA | 72.84 ± 2.12a (0.21) | 0.764 ± 0.016b (6.94) | 0.167 ± 0.005c (14.80) | 15.07 ± 0.61c (4.44) | 4.56 ± 0.17ab (12.31) | 3.30 ± 0.17a (8.91) | |
150 mM NaCl without SA | 52.83 ± 2.17c (27.32) | 0.628 ± 0.009d (23.51) | 0.143 ± 0.003e (27.04) | 9.74 ± 0.74e (38.24) | 3.64 ± 0.14e (30.00) | 2.68 ± 0.19b (11.55) | |
150 mM NaCl with 0.5 mM SA | 65.49 ± 1.98ab (9.91) | 0.741 ± 0.007b (9.74) | 0.163 ± 0.007cd (16.84) | 11.74 ± 0.82d (25.55) | 4.09 ± 0.14c (21.35) | 2.87 ± 0.14b (5.28) | |
Merawi | Control | 70.28 ± 1.74a | 0.813 ± 0.008a | 0.185 ± 0.005a | 15.39 ± 0.52b | 4.81 ± 0.20a | 3.20 ± 0.24a |
0 mM NaCl, with 0.5 mM SA | 71.94 ± 2.64a (2.36) | 0.827 ± 0.006a (1.72) | 0.187 ± 0.006a (1.08) | 18.25 ± 0.63a (18.58) | 4.97 ± 0.23a (3.33) | 3.67 ± 0.23a (14.69) | |
50 mM NaCl without SA | 69.03 ± 2.17a (1.78) | 0.771 ± 0.011b (5.17) | 0.167 ± 0.004c (9.73) | 14.08 ± 0.57c (8.51) | 4.61 ± 0.12ab (4.16) | 3.05 ± 0.22b (4.69) | |
50 mM NaCl with 0.5vmM SA | 71.34 ± 2.04a (1.51) | 0.802 ± 0.013a (1.35) | 0.184 ± 0.005a (0.54) | 15.68 ± 0.57b (1.88) | 4.72 ± 0.19ab (1.87) | 3.32 ± 0.21ab (3.75) | |
100 mM NaCl without SA | 66.13 ± 1.83ab (5.90) | 0.726 ± 0.011c (10.70) | 0.152 ± 0.003d (17.84) | 11.23 ± 0.62d (27.03) | 4.02 ± 0.18c (16.42) | 2.79 ± 0.21b (12.81) | |
100 mM NaCl with 0.5 mM SA | 70.28 ± 1.74a (0.00) | 0.758 ± 0.013b (6.77) | 0.161 ± 0.004c (12.97) | 14.71 ± 0.57c (4.42) | 4.16 ± 0.19c (13.51) | 3.54 ± 0.19a (10.63) | |
150 mM NaCl without SA | 51.52 ± 2.08c (26.69) | 0.614 ± 0.007d (24.48) | 0.139 ± 0.002e (24.86) | 8.85 ± 0.63e (42.50) | 3.51 ± 0.12e (27.03) | 2.52 ± 0.17c (21.25) | |
150 mM NaCl with 0.5 mM SA | 63.48 ± 1.53b (9.68) | 0.738 ± 0.008b (9.23) | 0.151 ± 0.006d (18.38) | 11.03 ± 0.80d (28.33) | 3.79 ± 0.13de (21.21) | 2.91 ± 0.13b (9.06) |