Table 3.
Trait contribution towards principal component for root and shoot traits in 71 maize inbreds under water deficit condition.
| Trait | PC1 | PC2 | PC3 | PC4 | PC5 |
|---|---|---|---|---|---|
| Fresh root weight (g) | 0.473 | 0.129 | − 0.071 | − 0.059 | − 0.010 |
| Fresh shoot weight (g) | 0.471 | 0.108 | − 0.020 | − 0.062 | − 0.118 |
| Dry root weight (g) | 0.059 | 0.025 | 0.112 | 0.020 | 0.878 |
| Dry shoot weight (g) | 0.380 | 0.050 | 0.185 | − 0.088 | − 0.054 |
| Root projection area (cm2) | 0.388 | 0.151 | − 0.143 | − 0.087 | − 0.129 |
| Total root length (cm) | 0.421 | 0.067 | 0.036 | 0.037 | 0.181 |
| Maximum root length (cm) | 0.045 | − 0.350 | − 0.444 | − 0.417 | 0.048 |
| No. of forks (numbers) | 0.025 | 0.488 | − 0.287 | − 0.326 | − 0.024 |
| Average root diameter (mm) | 0.128 | − 0.470 | 0.349 | 0.088 | − 0.196 |
| Root volume (cm3) | 0.168 | − 0.415 | 0.380 | 0.191 | − 0.093 |
| Number of root tips (RT) | 0.160 | − 0.211 | − 0.488 | 0.377 | 0.187 |
| Vigour* | 0.041 | − 0.096 | − 0.292 | 0.313 | − 0.108 |
| Chlorophyll content (µmol/m2) | 0.064 | − 0.364 | 0.237 | 0.020 | 0.257 |
Significant values are in [bold].