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Table 2 Correlations of yearly measurements with third year yields

From: Early selection of novel triploid hybrids of shrub willow with improved biomass yield relative to diploids

  Stem diameter Stem area Stem number Specific gravity Yield
1styear post-coppice      
Height 0.08494 0.52578 0.25028 0.08061 0.67611
Stem Diameter - 0.71701 0.85927 −0.09223 0.28958
Stem Area   - 0.28000 −0.07587 0.63675
Stem Number    - −0.07622 −0.02927
Specific Gravity     - 0.13362
2ndyear post-coppice      
Height 0.04699 0.48335 −0.27203 0.19114 0.78023
Stem Diameter - 0.72570 0.86908 −0.10570 0.28428
Stem Area   - 0.31578 −0.5500 0.61371
Stem Number    - 0.13163 −0.03442
Specific Gravity     - 0.23658
3 rd year post coppice      
Height 0.04407 0.57593 0.27513 0.11805 0.77364
Stem Diameter - 0.55106 0.39146 0.04623 0.31534
Stem Area   - 0.02388 −0.01120 0.70359
Stem Number    - −0.01989 −0.11433
Specific Gravity     - 0.13155
  1. All significant correlations at α ≤ 0.05 are highlighted in bold.