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Table 2 Correlation and path coefficients for direct and indirect effects of Na+ concentration, survival, K+ concentration, Na+-K+ ratio, shoot and root biomass, shoot length and SPAD readings on SES scores in an F2:3 population of a cross between Capsule (salt tolerant) and BR29 (salt sensitive) grown under salt-stress at seedling stage

From: Assessing trait contribution and mapping novel QTL for salinity tolerance using the Bangladeshi rice landrace Capsule

Predictor variables Correlation Direct effects (D) Indirect effects (I)        Total effects (D + I)
Na+ conc. Survival K+ conc. Na+-K+ ratio Biomass Shoot length SPAD Total (I)
Shoot Root
Na+ concentration 0.692 0.147   0.220 −0.049 0.015 0.156 0.117 0.027 0.057 0.543 0.690
Survival −0.795 −0.309 − 0.51   −0.056 − 0.010 0.171 0.138 −0.031 − 0.046 −0.485 − 0.794
K+ concentration −0.184 − 0.104 − 0.121 0.061   − 0.11 0.04 0.048 0.003 0.005 −0.074 − 0.178
Na+-K+ ratio 0.440 0.024 0.035 0.093 0.035   0.110 0.091 0.017 0.034 0.415 0.439
Biomass (Shoot) −0.815 −0.247 − 0.047 − 0.214 − 0.068 0.011   − 0.177 − 0.030 − 0.042 − 0.568 −0.815
Biomass (root) −0.810 − 0.191 − 0.046 −0.223 − 0.061 − 0.012 0.230   −0.029 − 0.040 − 0.618 − 0.809
Shoot length −0.739 − 0.040 −0.049 − 0.240 − 0.049 − 0.010 0.185 − 0.138   −0.047 − 0.699 −0.739
SPAD −0.541 −0.092 − 0.046 −0.156 − 0.038 −0.010 0.114 −0.083 − 0.021   −0.449 − 0.541
  1. Residual effect (R) = 0.43