TABLE 2.
Estimates of phenotypic correlation coefficients for grain yield and component traits in GWAS panel evaluated at Dharwad, IARI Delhi, IARI Jharkhand, Karnal, and Ludhiana during 2020–2021.
| Environments | Traits | GWPS | GNPS | GY | DH | GFD | PH |
|---|---|---|---|---|---|---|---|
| Dharwad (E1) | GWPS | 1.00 | 0.89** | 0.45** | −0.25** | 0.00 | 0.23** |
| GNPS | 1.00 | 0.30** | −0.11 | 0.01 | 0.13* | ||
| GY | 1.00 | −0.11 | −0.09 | 0.35** | |||
| DH | 1.00 | −0.13** | 0.00 | ||||
| GFD | 1.00 | 0.042 | |||||
| PH | 1.00 | ||||||
| IARI-Delhi (E2) | GWPS | 1.00 | — | −0.04 | 0.050 | −0.02 | −0.02 |
| GY | 1.00 | 0.04 | 0.00 | 0.13** | |||
| DH | 1.00 | −0.22** | 0.18** | ||||
| GFD | 1.00 | −0.09 | |||||
| PH | 1.00 | ||||||
| IARI Jharkhand (E3) | GWPS | 1.00 | 0.55** | 0.27** | 0.03 | 0.01 | 0.25** |
| GNPS | 1.00 | 0.12* | 0.25** | −0.13* | 0.18** | ||
| GY | 1.00 | −0.01 | −0.1 | 0.15* | |||
| DH | 1.00 | −0.39** | 0.10 | ||||
| GFD | 1.00 | −0.29** | |||||
| PH | 1.00 | ||||||
| Karnal (E4) | GWPS | 1.00 | — | 0.21** | −0.04 | −0.00 | 0.25** |
| GY | 1.00 | 0.04 | −0.08 | 0.06 | |||
| DH | 1.00 | −0.95** | 0.21** | ||||
| GFD | 1.00 | −0.21** | |||||
| PH | 1.00 | ||||||
| Ludhiana (E5) | GWPS | 1.00 | — | 0.89** | — | — | 0.12 |
| GY | 1.00 | — | — | 0.09 | |||
| PH | 1.00 | ||||||
| Across Environment | GWPS | 1.00 | 0.61** | 0.44** | −0.09 | −0.07 | −0.21** |
| GNPS | 1.00 | 0.31** | 0.09 | −0.19** | 0.09 | ||
| GY | 1.00 | 0.04 | −0.03 | 0.18** | |||
| DH | 1.00 | −0.71** | 0.19** | ||||
| GFD | 1.00 | −0.25** | |||||
| PH | 1.00 |
GWPS, grain weight per spike (gm); GNPS, grain number per spike (number); GY, grain yield (gm); DH, days to heading (days); GFD, grain filling duration (days); PH, plant height (cm).