|  | Vegetative | Tillering | Jointing | Booting | All stages |
---|---|---|---|---|---|---|
Liangyoupeijiu | R2 | 0.74** | 0.62** | 0.92** | 0.86** | 0.80** |
RMSEa | 0.87 | 1.18 | 0.86 | 1.23 | 1.24 | |
Nanjing45 | R2 | 0.42** | 0.28** | 0.90** | 0.79** | 0.60** |
RMSE | 1.61 | 1.41 | 0.64 | 0.91 | 1.60 | |
Nanjing46 | R2 | 0.83** | 0.52** | 0.82** | 0.83** | 0.59** |
RMSE | 0.94 | 1.62 | 1.47 | 1.26 | 1.85 | |
All cultivars | R2 | 0.31** | 0.64** | 0.65** | 0.61** | 0.53** |
 | RMSE | 1.94 | 1.66 | 1.87 | 2.59 | 2.23 |