TABLE 8.
Correlation matrix for morphological traits under control and salt stress conditions.
| Variables | RL-Control | RL-15 dS/m | RL-20 dS/m | SL-Control | SL-15 dS/m | SL-20 dS/m | FW-Control | FW-15 dS/m | FW-20 dS/m | DW-Control | DW-15 dS/m | DW-20 dS/m |
| RL-Control | 1 | |||||||||||
| RL-15 dS/m | −0.382 | 1 | ||||||||||
| RL-20 dS/m | 0.430 | −0.148 | 1 | |||||||||
| SL-Control | 0.342 | −0.273 | −0.118 | 1 | ||||||||
| SL-15 dS/m | 0.297 | −0.360 | −0.137 | 0.797 | 1 | |||||||
| SL-20 dS/m | −0.103 | −0.222 | 0.156 | 0.222 | 0.360 | 1 | ||||||
| FW-Control | 0.671 | −0.400 | 0.215 | 0.851 | 0.586 | 0.173 | 1 | |||||
| FW-15 dS/m | −0.850 | 0.228 | −0.684 | −0.199 | −0.119 | −0.126 | −0.569 | 1 | ||||
| FW-20 dS/m–1 | −0.471 | 0.211 | −0.097 | −0.470 | −0.238 | 0.499 | −0.432 | 0.337 | 1 | |||
| DW-Control | 0.510 | −0.256 | −0.017 | 0.599 | 0.261 | −0.219 | 0.776 | −0.225 | −0.302 | 1 | ||
| DW-15 dS/m | −0.681 | 0.279 | −0.050 | −0.033 | −0.054 | 0.052 | −0.330 | 0.511 | 0.201 | −0.278 | 1 | |
| DW-20 dS/m | −0.101 | 0.375 | 0.621 | −0.367 | −0.179 | 0.326 | −0.241 | −0.239 | 0.472 | −0.328 | 0.312 | 1 |
| Na-Control | −0.044 | 0.249 | 0.006 | 0.103 | −0.276 | −0.064 | 0.245 | −0.096 | −0.070 | 0.166 | −0.253 | −0.242 |
| Na-15 dS/m | 0.146 | 0.265 | 0.356 | 0.456 | 0.084 | −0.161 | 0.452 | −0.348 | −0.615 | 0.228 | 0.111 | 0.086 |
| Na-20 dS/m | 0.451 | −0.070 | 0.480 | 0.476 | 0.243 | 0.087 | 0.597 | −0.526 | −0.549 | 0.306 | −0.408 | 0.004 |
| Na/K-Control | −0.467 | 0.296 | −0.137 | −0.099 | −0.322 | 0.148 | −0.178 | 0.350 | 0.237 | −0.223 | 0.134 | −0.200 |
| Na/K-15 dS/m | 0.241 | 0.197 | 0.010 | 0.480 | 0.035 | −0.389 | 0.529 | −0.227 | −0.641 | 0.478 | −0.243 | −0.371 |
| Na/K-20 dS/m | 0.399 | 0.116 | −0.070 | 0.310 | −0.052 | −0.334 | 0.514 | −0.415 | −0.439 | 0.465 | −0.512 | −0.361 |
| St-Control | 0.216 | 0.124 | −0.019 | −0.444 | −0.611 | −0.239 | −0.059 | −0.231 | 0.249 | 0.243 | −0.554 | 0.002 |
| St-15 dS/m | −0.474 | 0.111 | −0.060 | −0.851 | −0.527 | −0.041 | −0.800 | 0.306 | 0.523 | −0.626 | 0.074 | 0.355 |
| St-20 dS/m | −0.286 | −0.062 | 0.256 | −0.562 | −0.323 | −0.200 | −0.630 | 0.343 | 0.078 | −0.456 | 0.312 | 0.204 |
| Tr-Control | 0.103 | −0.139 | −0.346 | 0.048 | 0.099 | 0.200 | 0.148 | −0.205 | 0.152 | −0.053 | −0.422 | −0.257 |
| Tr-15 dS/m | 0.348 | −0.346 | 0.253 | 0.293 | 0.117 | −0.043 | 0.530 | −0.512 | −0.366 | 0.321 | −0.288 | −0.070 |
| Tr-20 dS/m | 0.284 | −0.337 | 0.501 | −0.252 | 0.062 | 0.383 | −0.165 | −0.296 | 0.083 | −0.360 | −0.243 | 0.315 |
| PH-Control | −0.159 | 0.673 | −0.184 | 0.275 | −0.012 | 0.066 | 0.119 | −0.095 | −0.152 | −0.089 | 0.144 | 0.060 |
| PH-15 dS/m | 0.486 | −0.149 | −0.185 | 0.712 | 0.507 | −0.004 | 0.751 | −0.434 | −0.383 | 0.578 | −0.211 | −0.296 |
| PH-20 dS/m | 0.568 | −0.238 | 0.022 | 0.360 | 0.334 | 0.475 | 0.567 | −0.635 | 0.058 | 0.269 | −0.597 | −0.042 |
| CHL-Control | 0.264 | 0.154 | −0.159 | −0.470 | −0.504 | −0.351 | −0.255 | −0.100 | 0.168 | 0.024 | −0.380 | −0.203 |
| CHL-15 dS/m | −0.095 | 0.184 | −0.224 | −0.633 | −0.776 | −0.272 | −0.394 | 0.110 | 0.347 | −0.066 | −0.341 | −0.203 |
| CHL-20 dSm | 0.027 | −0.021 | 0.013 | −0.600 | −0.285 | 0.042 | −0.365 | −0.070 | 0.640 | −0.267 | −0.116 | 0.262 |
Values in bold are different from 0 with a significance level alpha = 0.05. RL, root Length; SL, shoot length; FW, fresh weight; DW, dry weight; Na+/K+, sodium to potassium ration; St, stomatal conductance; Tr, transpiration rate; PH, photosynthetic rate; CHL, chlorophyll content.