| 颜色特征参数 | 相关系数 | ||
| Q优6号(n = 24) | 宜香优2115(n = 24) | 混合品种(n = 48) | |
| R | −0.17 | −0.77** | −0.14 |
| G | −0.48* | −0.79** | −0.62** |
| B | 0.64** | 0.09 | 0.37* |
| R+G | −0.36 | −0.79** | −0.46** |
| R+B | 0.32 | −0.50* | 0.13 |
| G+B | 0.09 | −0.62** | −0.25 |
| R-G | 0.73** | 0.66** | 0.59** |
| R-B | −0.92** | −0.80** | −0.40** |
| G-B | −0.89** | −0.83** | −0.84** |
| R+B+G | 0.01 | −0.69** | −0.24 |
| R/(R+G+B) | −0.81** | −0.72** | 0.05 |
| G/(R+G+B) | −0.82** | −0.54** | −0.76** |
| B/(R+G+B) | 0.87** | 0.71** | 0.63** |
| (R-G)/(R+G) | 0.60** | −0.20 | 0.41** |
| (R-B)/(R+B) | −0.89** | −0.75** | −0.42** |
| (G-B)/(G+B) | −0.86** | −0.68** | −0.73** |
| R/G | 0.59** | −0.21 | 0.42** |
| R/B | −0.89** | −0.76** | −0.45** |
| G/B | −0.87** | −0.70** | −0.74** |