Table 3.
Correlation coefficients (r) among yield traits in the RILs population derived from the cross of R998 × Francis.
| trait | PPP | DPP | GY | TGW | AGB | HI |
|---|---|---|---|---|---|---|
| panicles per plant (PPP) | 1 | |||||
| grains per panicle (GPP) | −0.137 | 1 | ||||
| grain yield per plant (GY) | 0.469** | 0.366** | 1 | |||
| thousand grain weight (TGW) | 0.087 | −0.134 | 0.351** | 1 | ||
| above-ground biomass (AGB) | 0.315** | 0.215** | 0.544** | 0.194** | 1 | |
| harvest index (HI) | 0.149* | 0.272** | 0.574** | 0.227** | −0.281** | 1 |
Note: * and ** indicate significant difference at the 0.05 and 0.01 level, respectively.