GDD | Date | Phenology stage | |||
Boj | Shi | Boj | Shi |
| |
196.8 | 320.5 | Nov | Dec | Emergence | |
580.5 | 515.2 | Feb | Mar | Tillering | |
882 | 932.5 | Mar | Apr | Stem extension | |
1485.1 | 1388.8 | May | May | Anthesis | |
2277.8 | 2071.5 | Jun | Jun | Maturity |