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. 2020 May 18;52:1–5. doi: 10.21307/jofnem-2020-053

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.