| PH | LTH | SLN | SLT | SLU |
---|
TKW | 0.52** | 0.53** | 0.31** | 0.17* | −0.31** |
KNPS | − 0.06 | − 0.09 | −0.12 | 0.10 | 0.11 |
SNPP | −0.13 | −0.18* | 0.04 | 0.07 | −0.04 |
YPP | 0.28** | 0.21** | 0.21** | 0.30** | − 0.23** |
- LTH the lowest tillers height, PH plant height, SL spike length, SLU spike-layer uniformity, SLN spike-layer number, SLT spike-layer thickness, TKW thousand-kernel weight, KNPS kernel number per spike, SNPP spike number per plant, YPP yield per plant
- **represents that correlation is significant at when P < 0.01 level; * represents that correlation is significant at when P < 0.05 level