Table 5.
Result of Pearson correlation analysis between drought tolerance DRYMp and normalized tuber starch yield under optimal water supply (SY) in pot (P), big-bag (B), and field (F) test environments.
| Parameter | DRYMp(P) | SY(P) | DRYMp(B) | SY(B) | DRYMp(F) | SY(F) |
|---|---|---|---|---|---|---|
| DRYMp(P) | 1 | 0.0001 | 0.0001 | 0.7234 | 0.8441 | 0.0001 |
| SY(P) | -0.6619 | 1 | 0.0228 | 0.0444 | 0.2293 | 0.0112 |
| DRYMp(B) | 0.5859 | -0.2961 | 1 | 0.4044 | 0.3826 | 0.0012 |
| SY(B) | 0.0471 | 0.2627 | 0.1106 | 1 | 0.3399 | 0.1731 |
| DRYMp(F) | 0.0262 | 0.1589 | 0.1158 | -0.126 | 1 | 0.0054 |
| SY(F) | -0.5044 | 0.3279 | -0.4112 | 0.18 | -0.3577 | 1 |
Cells below and left of the diagonal contain the correlation coefficients (bold print indicates p < 0.05), cells above the diagonal p-values. N = 59 (outlier line 899484 excluded).