Table 1. The recording time of different morphological indexes.
| Morphological indexes | Recording time |
|---|---|
| Germination rate-1 | September 20, 2017 |
| Germination rate-2 | September 30, 2017 |
| Survival rate-1 | October 10, 2017 |
| Survival rate-2 | October 20, 2017 |
| Survival rate-3 | October 30, 2017 |
| Survival rate-4 | November 9, 2017 |
| Survival rate-5 | November 19, 2017 |
| Survival rate-6 | November 29, 2017 |
| Plant height and number of leaves-1 | September 20, 2017 |
| Plant height and number of leaves-2 | September 30, 2017 |
| Plant height and number of leaves-3 | October 10, 2017 |
| Plant height and number of leaves-4 | October 20, 2017 |
| Plant height and number of leaves-5 | October 30, 2017 |
| Plant height and number of leaves-6 | November 9, 2017 |
| Plant height and number of leaves-7 | November 19, 2017 |
| Plant height and number of leaves-8 | November 29, 2017 |
| The leaf area, root length and number | November 29, 2017 |