Table 3.
Pearson’s correlation matrix for 17 root traits and one shoot trait (shoot mass, SM) in 270 chickpea genotypes.
| TRL_z2 | RL | BL | BN | RA | RV | SRL | BLR_tap | BD | BL_top | RL_s3 | RL_sub | BL_sub | RLR_top/sub | BLR_top/sub | RM | SM | RMR | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TRL_z2 | 0.00 | –0.01 | –0.04 | 0.04 | 0.08 | –0.24 | –0.16 | –0.15 | –0.04 | –0.02 | 0.01 | 0.00 | –0.12 | –0.11 | 0.23 | –0.08 | 0.33 | |
| RL | 0.978 | 1.00 | 0.97 | 0.98 | 0.94 | 0.48 | 0.84 | 0.87 | 0.69 | 0.87 | 0.97 | 0.97 | –0.54 | –0.54 | 0.55 | 0.48 | –0.29 | |
| BL | 0.861 | 0.000 | 0.97 | 0.98 | 0.94 | 0.49 | 0.85 | 0.88 | 0.70 | 0.87 | 0.97 | 0.97 | –0.54 | –0.54 | 0.54 | 0.48 | –0.29 | |
| BN | 0.521 | 0.000 | 0.000 | 0.93 | 0.86 | 0.54 | 0.81 | 0.90 | 0.69 | 0.80 | 0.93 | 0.93 | –0.50 | –0.50 | 0.48 | 0.48 | –0.34 | |
| RA | 0.521 | 0.000 | 0.000 | 0.000 | 0.99 | 0.40 | 0.84 | 0.84 | 0.69 | 0.85 | 0.95 | 0.95 | –0.52 | –0.51 | 0.60 | 0.50 | –0.26 | |
| RV | 0.210 | 0.000 | 0.000 | 0.000 | 0.000 | 0.32 | 0.81 | 0.79 | 0.67 | 0.82 | 0.91 | 0.91 | –0.47 | –0.47 | 0.64 | 0.51 | –0.23 | |
| SRL | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.53 | 0.59 | 0.20 | 0.55 | 0.51 | 0.52 | –0.37 | –0.36 | –0.30 | 0.11 | –0.48 | |
| BLR_tap | 0.011 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.96 | 0.59 | 0.76 | 0.82 | 0.83 | –0.36 | –0.36 | 0.37 | 0.37 | –0.28 | |
| BD | 0.014 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.62 | 0.75 | 0.84 | 0.85 | –0.38 | –0.39 | 0.36 | 0.40 | –0.33 | |
| BL_top | 0.497 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.001 | 0.000 | 0.000 | 0.33 | 0.51 | 0.51 | 0.04 | 0.03 | 0.61 | 0.54 | –0.32 | |
| RL_s3 | 0.720 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.93 | 0.93 | –0.61 | –0.60 | 0.29 | 0.28 | –0.19 | |
| RL_sub | 0.852 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.00 | –0.66 | –0.66 | 0.46 | 0.41 | –0.24 | |
| BL_sub | 0.990 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | –0.66 | –0.65 | 0.45 | 0.40 | –0.24 | |
| RLR_top/ sub | 0.048 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.545 | 0.000 | 0.000 | 0.000 | 1.00 | –0.20 | –0.07 | –0.04 | |
| BLR_top/ sub | 0.075 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.646 | 0.000 | 0.000 | 0.000 | 0.000 | –0.20 | –0.07 | –0.04 | |
| RM | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.001 | 0.001 | 0.39 | 0.25 | |
| SM | 0.187 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.067 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.271 | 0.268 | 0.000 | –0.53 | |
| RMR | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.002 | 0.000 | 0.000 | 0.534 | 0.530 | 0.000 | 0.000 |
Traits with CVs ≥0.3 were included in the analysis (see Table 2). Proportion values are given on the lower left side of the matrix table (in bold if <0.01 and italic if <0.05, indicating significance of correlation).