Table 6 Seed germination parameters for response of B. pilosa to temperature and water potential from three populations based on hydrothermal time model analysis
Population | suboptimal temperature | supraoptimal temperature | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
θHT (MPa·°C·h) | Tb (°C) | ψb(50) (MPa) | σψb | R2 | kT | To (°C) | θH (MPa·h) | ψb(50) (MPa) | σψb | R2 | |
Baoshan | 1303.52 | 4.33 | -1.12 | 0.57 | 0.71 | 0.05 | 15.53 | 36.72 | -1.12 | 0.24 | 0.73 |
Guilin | 1095.89 | 5.96 | -1.09 | 0.53 | 0.76 | 0.05 | 18.96 | 40.39 | -1.09 | 0.30 | 0.72 |
Danzhou | 694.30 | 6.47 | -0.79 | 0.39 | 0.69 | 0.05 | 25.72 | 40.94 | -0.79 | 0.32 | 0.75 |