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Table 3 Correlation analysis between PPD score at 2 and 4 dph and root length, root diameter, root DMC, and root HCN content

From: A method for rapid and homogenous initiation of post-harvest physiological deterioration in cassava storage roots identifies Indonesian cultivars with improved shelf-life performance

Parameters measured at 0 dph

PPD score (Pearson’s r (df = 26) and p-value)

2 dph

4 dph

7 dph

r

p-value

r

p-value

r

p-value

length (cm)

0.388

0.041*

0.039

0.842

0.118

0.550

root diameter (cm)

− 0.369

0.053

− 0.354

0.065

− 0.154

0.434

DMC (%)

0.362

0.059

0.664

0.000***

0.589

0.001***

HCN (ppm)

0.290

0.134

0.149

0.450

0.061

0.758

  1. The values show a correlation coefficient (Pearson’s r) between two measured variables
  2. *p < 0.05
  3. ***p < 0.001