Table 1.
Correlation coefficient between the seven characters on rice grain shape across the four locations
| Character | GL | GW | LW | GC | GA | GD | GR |
|---|---|---|---|---|---|---|---|
| GL | 1.000 | ||||||
| GW | −0.238** | 1.000 | |||||
| LW | 0.777** | −0.790** | 1.000 | ||||
| GC | 0.985** | −0.078* | 0.666** | 1.000 | |||
| GA | 0.687** | 0.529** | 0.083* | 0.793** | 1.000 | ||
| GD | 0.931** | 0.124** | 0.501** | 0.974** | 0.894** | 1.000 | |
| GR | −0.771** | 0.793** | −0.986** | −0.657** | −0.087* | −0.494** | 1.000 |
GL grain length, GW grain width, LW grain length-to-width ratio, GC grain circumference, GA grain area, GD grain diameter, and GR grain roundness
*, ** Significance at the level of 0.05 and 0.01, respectively