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. 2020 Feb 25;9(3):287. doi: 10.3390/plants9030287

Table 7.

Selection of the influential markers (independent variables) with 13 studied traits (dependent variable) for both treatments of control and salinity and relative change based on stepwise multiple linear regression (SMLR) analysis.

Traits Treatments Markers R2 Par R2 Com. P-value*
RN Salinity Cfd60 0.389 - 0.015
Wmc18 0.168 0.557 0.031
Relative change Wmc502 0.282 - 0.013
Wmc11 0.225 0.507 0.019
RL Control Gwm249 0.345 - 0.012
Barc182 0.165 0.510 0.040
Salinity Cfd60 0.524 - 0.038
Gwm614 0.123 0.647 0.00018
Relative change Gwm241 0.501 - 0.002
Gwm249 0.238 0.739 0.00119
RDM Control Gwm335 0.272 0.272 0.027
Salinity Gwm241 0.435 0.435 0.003
Relative change Wmc18 0.576 - 0.007
Cfd66 0.168 0.744 < 0.0001
SL Control Wmc60 0.458 - 0.020
Wmc502 0.168 0.626 0.003
Salinity Barc182 0.334 - 0.024
Wmc502 0.198 0.532 0.004
Relative change Gwm241 0.679 - < 0.0001
Wmc60 0.077 0.756 0.046
SDM Control Wmc502 0.259 - 0.003
Gwm614 0.239 0.498 0.017
Salinity Gwm312 0.539 - 0.009
Wmc502 0.174 0.714 0.0001
Relative change Gwm145 0.749 - 0.005
Gwm614 0.104 0.853 < 0.0001
MSI Salinity Gwm160 0.685 - < 0.0001
Cfd66 0.085 0.769 0.0332
Relative change Gwm160 0.595 - 0.018
Gwm340 0.129 0.724 < 0.0001
CHL Control Wmc18 0.239 0.239 0.003
Salinity Gwm340 0.380 - 0.003
Cfd13 0.189 0.570 0.0213
Relative change Gwm155 0.249 - 0.010
Gwm145 0.257 0.506 0.014
POD Control Cfd13 0.689 - < 0.0001
Cfd60 0.093 0.782 0.023
Salinity Gwm241 0.586 - 0.026
Gwm614 0.120 0.706 0.002
Relative change Gwm241 0.576 - 0.024
Gwm335 0.125 0.702 < 0.0001
PPO Control Wmc502 0.418 - 0.002
Wmc11 0.162 0.580 0.030
Salinity Gwm335 0.595 - 0.0001
Gwm312 0.176 0.771 0.004
Relative change Gwm335 0.604 0.604 0.0001
CAT Control Wmc11 0.241 - 0.0333
Gwm249 0.203 0.444 0.011
Salinity Gwm241 0.726 - 0.0002
Gwm614 0.091 - < 0.0001
Gwm155 0.114 0.931 0.0003
Relative change Gwm241 0.542 - 0.0101
Gwm335 0.167 0.710 < 0.0001
RWC Control Cfd60 0.224 - 0.0037
Cfd66 0.247 0.471 0.018
Salinity Gwm241 0.832 - 0.0060
Gwm340 0.068 0.900 < 0.0001
Relative change Gwm241 0.808 - 0.0019
Gwm340 0.093 0.902 < 0.0001
WD Control Cfd60 0.224 - 0.0037
Cfd66 0.247 0.471 0.018
Salinity Gwm241 0.832 - 0.0060
Gwm340 0.068 0.900 < 0.0001
Relative change Gwm241 0.413 - 0.0004
Cfd66 0.162 0.574 0.031
RT Control Gwm145 0.514 - 0.0051
Gwm614 0.203 0.717 0.002
Salinity Wmc502 0.215 0.0249
Gwm312 0.185 0.400 0.048
Relative change Gwm312 0.628 0.0009
Gwm614 0.198 0.826 0.0002

Roots number (RN), root length (RL), root dry matter (RDM), shoot length (SL), shoot dry matter (SDM), membrane stability index (MSI), chlorophyll content (CHL), coefficient partial determination (R2 Par), and cumulative coefficient determination (R2 Com.). * means P-value of coefficient partial determination. Relative water content (RWC), relative turgidity (RT), water deficit (WD), peroxidase (POD), polyphenol oxidase (PPO), catalase (CAT), coefficient partial determination (R2 Par), and cumulative coefficient determination (R2 Com.). * means P-value of coefficient partial determination.