Table 7.
Spearman’s correlation coefficients (r-values) among germination (G), shoot (S) and root (R) length, shoot length drought tolerance index (SL_DT), root length drought tolerance index (RL_DT) under drought treatments and high voltage electrical discharge (HVED) pretreatment (*, **, ***, significant at the 0.05, 0.01 and 0.001 levels). Numbers next to capital letters represent the treatment day.
| Treatment | HVED | G1 | G2 | G3 | G4 | S2 | S3 | S5 | R | SL_DTI5 | SL_DTI5 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Treatment | 1.000 | ||||||||||
| HVED | 0.000 ns | 1.000 | |||||||||
| G1 | −0.362 * | 0.809 *** | 1.000 | ||||||||
| G2 | −0.590 *** | 0.522 ** | 0.656 *** | 1.000 | |||||||
| G3 | −0.502 ** | 0.233 ns | 0.430 ** | 0.794 *** | 1.000 | ||||||
| G4 | −0.557 *** | 0.188 ns | 0.445 ** | 0.806 *** | 0.987 *** | 1.000 | |||||
| S2 | −0.430 ** | 0.731 *** | 0.795 *** | 0.805 *** | 0.520 ** | 0.547 *** | 1.000 | ||||
| S3 | −0.462 ** | 0.784 *** | 0.807 *** | 0.867 *** | 0.613 *** | 0.581 *** | 0.807 *** | 1.000 | |||
| S5 | −0.906 *** | 0.194 ns | 0.506 ** | 0.537 ** | 0.289 ns | 0.345 * | 0.521 ** | 0.515 ** | 1.000 | ||
| R | −0.748 *** | 0.296 ns | 0.592 *** | 0.591 *** | 0.500 ** | 0.506 ** | 0.384 ns | 0.601 *** | 0.764 *** | 1.000 | |
| SL_DTI5 | −0.953 *** | 0.081 ns | 0.400 * | 0.565 *** | 0.354 * | 0.414 * | 0.501 ** | 0.479 ** | 0.975 *** | 0.695 *** | 1.000 |
| SL_DTI5 | −0.831 *** | 0.216 ns | 0.553 *** | 0.623 *** | 0.582 *** | 0.596 *** | 0.396 * | 0.591 *** | 0.783 *** | 0.976 *** | 0.748 *** |
|
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| −1 | 0 | 1 | |||||||||