Table 1.
Correlation coefficient between the density of R. reniformis, the percentage of yellowing leaves, dry rot rhizomes, and rhizome weight.
Correlations | R. reniformis | Yellowing leaves | Dry rot rhizome |
---|---|---|---|
Yellowing leaves | |||
Pearson (RP) | 0.355 | ||
Spearman (RS) | 0.640* | ||
Dry rot rhizome | |||
Pearson (RP) | 0.781** | 0.601 | |
Spearman (RS) | 0.506 | 0.838** | |
Rhizome weight | |||
Pearson (RP) | −0.623 | −0.480 | −0.600 |
Spearman (RS) | −0.841** | −0.502 | −0.519 |
Notes: *,**Significant at 0.05 and 0.01 levels (2-tailed), respectively.