Table 2.
The relationship between yield and phenological and physiological traits.
| Productivity | Phenological traits | Physiological traits | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Seed yield | Emergence to end of juvenile | End of juvenile to floral initiation | Floral initiation to flowering | Flowering to start of pod fill | Start to end of pod fill | Emergence to flowering | Flowering to maturity | Node appearance rate | Harvest index rate | Radiation use efficiency | Leaf size at 8th node | Leaf size at 14th node | ||
| Productivity | Seed yield | 1.00 | ||||||||||||
| Phenological traits | Emergence to end of juvenile | -0.12 | 1.00 | |||||||||||
| End of juvenile to floral initiation | 0.58 | -0.83* | 1.00 | |||||||||||
| Floral initiation to flowering | -0.10 | 0.52 | -0.67 | 1.00 | ||||||||||
| Flowering to start of pod fill | -0.78 | -0.51 | 0.05 | -0.29 | 1.00 | |||||||||
| Start to end of pod fill | 0.14 | -0.27 | 0.43 | -0.81 | 0.07 | 1.00 | ||||||||
| Emergence to flowering | -0.09 | -0.36 | 0.31 | -0.68 | 0.30 | 0.92 | 1.00 | |||||||
| Flowering to maturity | -0.43 | 0.16 | -0.23 | -0.41 | 0.29 | 0.75 | 0.81 | 1.00 | ||||||
| Physiological traits | Node appearance rate | 0.21 | -0.79 | 0.59 | 0.06 | 0.29 | -0.22 | -0.10 | -0.50 | 1.00 | ||||
| Harvest index rate | 0.69 | -0.13 | 0.53 | -0.55 | -0.52 | 0.52 | 0.31 | -0.02 | -0.24 | 1.00 | ||||
| Radiation use efficiency | 0.64 | 0.55 | -0.19 | 0.34 | -0.93** | 0.00 | -0.12 | -0.11 | -0.39 | 0.52 | 1.00 | |||
| Individual leaf area at 8th node | 0.93** | -0.17 | 0.61 | -0.13 | -0.69 | -0.04 | -0.30 | -0.64 | 0.23 | 0.67 | 0.48 | 1.00 | ||
| Individual leaf area at 14th node | 0.86* | -0.33 | 0.61 | -0.19 | -0.58 | 0.31 | 0.23 | -0.26 | 0.26 | 0.77 | 0.60 | 0.74 | 1.00 | |
*p ≤ 0.05; **p ≤ 0.01.