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Table 4 Pearson’s correlation analysis of mean scab severity rankingsa for provenances (below diagonal) and families within provenances (above diagonal) of pecan genotypes collected in 19 different provenances

From: Foliage and fruit susceptibility of a pecan provenance collection to scab, caused by Venturia effusa

   Family in provenance
MS Leaf 2018 MS Leaf 2019 OS Leaf 2018 OS Leaf 2019 MS Fruit 2018 MS Fruit 2019 OS Fruit 2018 OS Fruit 2019
Provenance MSb Leaf 2018   0.799 0.950 0.813 0.685 0.798 0.685 0.793
   < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001
  MS Leaf 2019 0.896   0.758 0.967 0.768 0.850 0.781 0.856
  < 0.0001   < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001
  OS Leaf 2018 0.968 0.853   0.769 0.658 0.761 0.660 0.744
  < 0.0001 < 0.0001   < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001
  OS Leaf 2019 0.918 0.988 0.867   0.750 0.823 0.757 0.823
  < 0.0001 < 0.0001 < 0.0001   < 0.0001 < 0.0001 < 0.0001 < 0.0001
  MS Fruit 2018 0.840 0.875 0.786 0.846   0.884 0.976 0.888
  < 0.0001 < 0.0001 < 0.0001 < 0.0001   < 0.0001 < 0.0001 < 0.0001
  MS Fruit 2019 0.918 0.944 0.867 0.925 0.932   0.868 0.985
  < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001   < 0.0001 < 0.0001
  OS Fruit 2018 0.874 0.867 0.837 0.839 0.982 0.921   0.882
  < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001   < 0.0001
  OS Fruit 2019 0.896 0.951 0.863 0.919 0.914 0.986 0.911  
  < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001  
  1. Matrix plots of the data are available as Additional file 1: Figures S4 and S5 Matrix plots of the data are available as Additional file 1: Figures S4 and S5
  2. aScab severity was visually estimated based on a modified ordinal scale (Chiang et al. 2014). MS = Most severe based on severity estimate of the most scabbed leaf or fruit; OS = Overall severity based on an assessment of the overall disease on all leaves or fruit in the canopy