| Characters | Principal Component | |
| Vector-1 | Vector-2 | |
| Days to male flowering | 0.1387 | −0.0764 |
| Days to female flowering | −0.0793 | 0.1317 |
| Days to maturity | −0.0196 | −0.0754 |
| Plant height (cm) | 0.0249 | −0.0064 |
| Cob length (cm) | −0.5781 | 0.3700 |
| Cob breadth (cm) | 0.0439 | −0.3695 |
| No. of rows per cob | 0.4963 | 1.0200 |
| No. of grains per row | 0.2522 | −0.0446 |
| Number of grains per cob | 0.0083 | 0.0378 |
| 100 grain weight (g) | −0.4010 | 0.7554 |
| Grain yield per plant (g) | 0.1354 | −0.3057 |