Branch and spikelet characteristics | Maximum Temperature (˚C) | Minimum Temperature (˚C) | Average Temperature (˚C) | Temperature Difference (˚C) | Rainfall (mm) | Humidity (%RH) | Accumulated Temperature (˚C) | Total Rainfall (mm) | Sunshine Duration (h) |
Surviving branches | 0.359 | 0.297 | 0.374 | 0.411* | 0.223 | 0.126 | 0.100 | −0.042 | 0.341 |
Retrograde branches | 0.442 | 0.381 | 0.445* | 0.486* | 0.329 | 0.245 | 0.038 | 0.088 | 0.394 |
Differentiated branches | 0.412* | 0.346 | 0.424* | 0.465* | 0.276 | 0.178 | 0.084 | 0.003 | 0.383 |
Branches retrograded percentage | 0.281 | 0.262 | 0.275 | 0.284 | 0.255 | 0.237 | −0.096 | 0.148 | 0.217 |
Surviving spikelets | 0.152 | 0.065 | 0.156 | 0.250 | −0.010 | −0.082 | 0.107 | −0.122 | 0.143 |
Retrograde spikelets | 0.603** | 0.523** | 0.598** | 0.659** | 0.462* | 0.403 | 0.548** | 0.505* | 0.607** |
Differentiated spikelets | 0.313 | 0.221 | 0.314 | 0.406* | 0.144 | 0.069 | 0.261 | 0.072 | 0.307 |
Spikelets retrograded percentage | 0.674** | 0.646** | 0.675** | 0.660** | 0.611** | 0.601** | 0.659** | 0.713** | 0.678** |
Surviving primary branches | 0.287 | 0.298 | 0.327 | 0.252 | 0.207 | 0.243 | 0.413* | 0.178 | 0.243 |
Retrograde primary branches | 0.088 | 0.03 | 0.055 | 0.154 | 0.051 | 0.016 | −406* | 0.065 | 0.065 |
Differentiated primary branches | 0.302 | 0.309 | 0.341 | 0.272 | 0.218 | 0.249 | 0.39 | 0.188 | 0.256 |
Primary branches retrograded percentage | 0.082 | 0.024 | 0.046 | 0.148 | 0.052 | −0.016 | −0.427* | 0.055 | 0.059 |
Surviving secondary branches | 0.357 | 0.290 | 0.370 | 0.416* | 0.220 | 0.113 | 0.070 | −0.060 | 0.342 |
Retrograde secondary branches | 0.441* | 0.381 | 0.445* | 0.485* | 0.328 | 0.246 | 0.043 | 0.087 | 0.394 |
Differentiated secondary branches | 0.413* | 0.344 | 0.423* | 0.470 | 0.276 | 0.171 | 0.065 | −0.008 | 0.385 |
Secondary branches retrograded percentage | 0.229 | 0.230 | 0.224 | 0.210 | 0.233 | 0.248 | −0.059 | 0.193 | 0.164 |
Surviving primary spikelets | 0.145 | 0.160 | 0.168 | 0.117 | 0.095 | 0.191 | 0.213 | 0.377 | 0.106 |
Retrograde primary spikelets | 0.054 | −0.011 | 0.061 | 0.132 | −0.078 | −0.121 | 0.060 | −0.229 | 0.016 |
Differentiated primary spikelets | 0.133 | 0.106 | 0.153 | 0.157 | 0.022 | 0.065 | 0.184 | 0.134 | 0.083 |
Primary spikelets retrograded percentage | 0.040 | −0.024 | 0.046 | 0.118 | −0.084 | −0.137 | 0.006 | −0.285 | 0.001 |
Surviving secondary spikelets | 0.142 | 0.050 | 0.143 | 0.247 | −0.021 | −0.108 | 0.087 | −0.170 | 0.136 |
Retrograde secondary spikelets | 0.661** | 0.586** | 0.653** | 0.706** | 0.534** | 0.478** | 0.598** | 0.617** | 0.674** |
Differentiated secondary spikelets | 0.327 | 0.229 | 0.326 | 0.429* | 0.155 | 0.067 | 0.263 | 0.062 | 0.327 |
Secondary spikelets retrograded percentage | 0.638** | 0.647** | 0.640** | 0.579** | 0.636** | 0.664** | 0.658** | 0.822** | 0.649** |