TABLES
Table 1 Alterations in some stress-determining parameters in the shoots of Scorzonera hieraciifolia and Thellungiella parvula treated with 0, 150, 300, 450 and 600 mM NaCl. Means ± SD. Means followed by different letters are significantly different according to Duncan’s test at P £ 0.05.
NaCl | Scorzonera hieraciifolia | | Thellungiella parvula |
(mM) | RWC (%) | TBARS (µmolg-1DW) | H2O2 (µmolg-1DW) | | RWC (%) | TBARS (µmolg-1DW) | H2O2 (µmolg-1DW) |
0 | 73.51±0.8 d | 2.8±0.09 d | 6.3±0.01 e | | 64.23±0.1 a | 6.1±0.9 d | 6.2±0.01 d |
150 | 76.44±0.8 c | 2.7±0.08 d | 8.7±0.01 d | | 54.64±0.2 b | 8.2±0.9 c | 11±0.01 c |
300 | 82.84±0.8 b | 3.2±0.08 c | 11.5±0.05 c | | 53.12±0.5 c | 9.5±0.5 b | 15.1±0.02 b |
450 | 92.07±0.6 a | 8.3±0.25 b | 28.0±0.05 b | | 49.35±0.2 d | 23.2±0.6 a | 51.3±0.01 a |
600 | 94.1±1.0 a | 9.1±0.12 a | 32.2±0.07 a | | NA | NA | NA |
NA: non-alive
Table 2 Changes in parameters related to shoot succulence in S. hieraciifolia. Means ± SD. Means followed by different letters are significantly different according to Duncan’s test at P £ 0.05. SSD: shoot succulence degree, ST: shoot thickness, PA: plant area, DW: dry weight.
NaCl (mM) | SSD | ST (µm) | PA (cm2 plant-1) |
0 | 46±2.5 c | 39.2±0.3 e | 2.31±0.6 d |
150 | 47±1.1 c | 52.8±0.5 d | 3.81±0.4 c |
300 | 69±1.4 b | 92.5±4.1 c | 12.5±2.1 a |
450 | 86±2.5 a | 311±4.8 b | 8.08±2.1 b |
600 | 88±2.7 a | 351±7.3 a | 6.28±0.8 b |