Table 2.
Correlation analysis of drought tolerance traits.
| RPH | RSDM | RRDM | RPC | RSOD | RMDA | RSS | RHL | RGP | |
|---|---|---|---|---|---|---|---|---|---|
| RPH | – | ||||||||
| RSDM | 0.733∗∗ | – | |||||||
| RRDM | 0.262∗∗ | 0.203∗∗ | – | ||||||
| RPC | -0.063 | -0.106∗ | 0.051 | – | |||||
| RSOD | -0.154∗∗ | -0.073 | 0.011 | 0.242∗∗ | – | ||||
| RMDA | -0.091 | -0.111∗ | 0.112∗ | 0.621∗∗ | 0.555∗∗ | – | |||
| RSS | -0.074 | -0.121∗ | 0.002 | 0.554∗∗ | 0.333∗∗ | 0.596∗∗ | – | ||
| RHL | 0.041 | 0.142∗∗ | -0.015 | -0.145∗∗ | -0.030 | -0.181∗∗ | -0.128∗ | – | |
| RGP | -0.005 | -0.069 | 0.000 | 0.024 | 0.011 | -0.007 | -0.042 | 0.127∗ | – |
RPH, relative plant height; RSDM, relative shoot dry matter; RRDM, relative root dry matter; RPC, relative proline content; RSOD, relative superoxide dismutase activity; RMDA, relative malonaldehyde content; RSS, relative soluble sugar content; RHL, relative hypocotyl length; RGP, relative germination percentage. ∗ and ∗∗: the 5% and 1% levels of significance, respectively.