Table 3. Compare of flower bud differentiation times between Chrysanthemum Zijiao and Aoyunbaixue.
| Stage | Start time | Last time (Days) | ||
|---|---|---|---|---|
| Zijiao | Aoyunbaixue | Zijiao | Aoyunbaixue | |
| A-Vegetative growth stage | 14, June | 30, April | 9 | 15 |
| B-Inflorescence primordial differentiation stage | 23, June | 15, May | 18 | 10 |
| C1-Initial stage of involucres primordial differentiation stage | 11, July | 25, May | 21 | 10 |
| C2-Final stage of involucres differentiation | 2, August | 4, June | 6 | 4 |
| D1-Initial stage of ligulae flower differentiation | 8, August | 8, June | 3 | 7 |
| D2-Final stage of ligulae flower differentiation | 11, August | 15, June | 3 | 7 |
| E1-Initial stage of corolla formation | 14, August | 22, June | 6 | 3 |
| E2-Secondary stage of corolla formation | 20, August | 25, June | 6 | 15 |
| E3-Finish stage of corolla formation | 26, August | 9, July | ||