Table 1 The effects of drought and salinity stress (different salt ratio) on morphological parameters and indexes of C. spinosa.
Factors | FC (%) | Salt ratio (CaCl2:NaCl) | Mean | |||
|---|---|---|---|---|---|---|
01:00 | 01:01 | 01:03 | 01:05 | |||
Shoot/Root | 75% | 2.11 ± 0.51 a | 1.44 ± 0.51 bc | 0.73 ± 0.07 de | 0.38 ± 0.06 e | 1.17 A |
100% | 1.04 ± 0.17 cd | 1.21 ± 0.37 cd | 1.81 ± 0.17 ab | 0.79 ± 0.01 de | 1.21 A | |
Mean | 1.57 A | 1.33 A | 1.27 A | 0.59 B | ||
Leaf tissue density | 75% | 0.22 ± 0.14 abc | 0.12 ± 0.04 cd | 0.12 ± 0.01 cd | 0.06 ± 0.00 d | 0.13 B |
100% | 0.12 ± 0.01 cd | 0.13 ± 0.02 bcd | 0.25 ± 0.04 a | 0.24 ± 0.07 ab | 0.18 A | |
Mean | 0.17 A | 0.13 A | 0.18 A | 0.15 A | ||
Root tissue density | 75% | 0.19 ± 0.05 ab | 0.2 ± 0.00 ab | 0.21 ± 0.04 ab | 0.28 ± 0.01 a | 0.22 A |
100% | 0.23 ± 0.02 ab | 0.16 ± 0.04 b | 0.23 ± 0.01 ab | 0.23 ± 0.08 ab | 0.21 A | |
Mean | 0.21 AB | 0.18 B | 0.22 AB | 0.25 A | ||
SSI | 75% | 0.00 ± 0.11 a | -0.11 ± 0.00 ab | -0.56 ± 0.00 c | -0.50 ± 0.06 c | -0.29 A |
100% | 0.00 ± 0.33 a | -0.22 ± 0.11 abc | -0.22 ± 0.33 abc | -0.39 ± 0.17 bc | -0.21 A | |
Mean | 0.00 A | -0.170 AB | -0.390 BC | -0.440 C | ||
SGS (cm) | 75% | 10.67 ± 9.50 ab | 7.00 ± 1.00 ab | 7.00 ± 2.00 ab | 4.50 ± 3.91 b | 7.29 A |
100% | 2.67 ± 1.53 b | 3.67 ± 2.08 b | 15.33 ± 6.66 a | 3.67 ± 0.58 b | 6.33 A | |
Mean | 6.67 AB | 5.33 B | 11.17 A | 4.08 B | ||
NLGS | 75% | 1.00 ± 1.00 b | 1.33 ± 1.53 b | 4.00 ± 1.00 ab | 4.00 ± 0.00 ab | 2.58 A |
100% | 1.67 ± 2.08 ab | 1.00 ± 1.00 b | 4.33 ± 1.53 a | 3.00 ± 2.65 ab | 2.50 A | |
Mean | 1.33 B | 1.17 B | 4.17 A | 3.50 A | ||
ILLS (cm) | 75% | 1.17 ± 0.58 a | 0.70 ± 0.50 ab | 0.60 ± 0.26 ab | 0.70 ± 0.00 ab | 0.79 B |
100% | 0.47 ± 0.25 b | 0.40 ± 0.53 b | 0.40 ± 0.17 b | 0.30 ± 0.17 b | 0.39 A | |
Mean | 0.82 A | 0.55 A | 0.50 A | 0.50 A | ||