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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