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Table 2 Pearson correlations for the analysed traits in the RIL/QTL (a) and the HapMap/GWAS (b) populations measured under phosphate sufficient (+Pi) and phosphate deficient (−Pi) treatments

From: QTL and candidate genes associated with leaf anion concentrations in response to phosphate supply in Arabidopsis thaliana

  (a) RIL/QTL (b) GWAS/HapMap
+Pi -Pi +Pi -Pi
  Trait DW PHO PUE SUL DW PHO PUE DW PHO PUE SUL DW PHO PUE
+Pi DW 1        1       
PHO 0.01 1       −0.18** 1      
PUE 0.92** −0.35** 1      0.59** −0.65** 1     
SUL −0.14 0.03 −0.13 1     − 0.16** 0.35** −0.30** 1    
-Pi DW 0.49** 0.01 .0.48** −0.25** 1    0.56** − 0.08 0.34** −0.08 1   
PHO −0.27** 0.04 −0.28** 0.11 −0.28** 1   −0.05 0.11* −0.07 −0.04 0.04 1  
PUE 0.51** −0.06 0.54** −0.20* 0.81** −0.64** 1 0.35** −0.13* 0.23** −0.07 0.52** −0.68** 1
SUL −0.23** −0.05 − 0.19* 0.60** − 0.39** 0.48** − 0.42** −0.06 0.07 −0.07 0.18** 0.02 0.28** −0.22**
  1. DW = total rosette dry weight, PHO = leaf Pi concentration, PUE = phosphate use efficiency determined as shoot dry weight / PHO, and SUL = leaf sulphate concentration. Correlations that are significant at p < 0.05 and p < 0.01 levels are indicated with * and **, respectively