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Table 4 Haplotypes significantly associated with wood quality traits

From: Single-nucleotide polymorphisms(SNPs) in a sucrose synthase gene are associated with wood properties in Catalpa fargesii bur

Trait p-value Q-value R2(%) Haplotype Frequency
(%)
p(ind) Mean
Wood basic density 0.040 < 0.1 8.26 SNP19–21    
    T-A-T 6.80% 0.007 0.40
0.003 < 0.1 12.41 SNP33–35    
    T-A-T 2.00% 0.031 0.39
    T-C-T 6.80% 0.007 0.40
    T-C-G 85.60% 0.024 0.42
Pore rates 0.028 < 0.1 5.58 SNP11–13    
    T-T-A 7.99% 0.021 9.10
0.008 < 0.1 10.26 SNP35–37    
    T-T-T 5.60% 0.020 9.00
    G-C-T 74.00% 0.031 10.04
Radial lumen diameter 0.005 < 0.1 12.21 SNP7–9    
    T-T-A 3.97% 0.025 15.10
0.011 < 0.1 10.08 SNP19–21    
    T-A-T 6.80% 0.014 15.39
0.006 < 0.1 8.68 SNP23–25    
    C-T-A 42.79% 0.005 16.52
    C-T-C 52.40% 0.031 16.01
0.012 < 0.1 10.61 SNP25–27    
    A-C-T 42.79% 0.005 16.52
Radial fiber central cavity diameter 0.042 < 0.1 3.40 SNP3–5    
    T-C-T 8.00% 0.016 18.30
0.046 < 0.1 7.34 SNP8–10    
    T-A-C 3.95% 0.005 17.73
0.009 < 0.1 10.58 SNP19–21    
    T-A-T 6.80% 0.041 18.41
    C-A-A 79.89% 0.032 19.17
0.005 < 0.1 9.08 SNP23–25    
    C-T-A 42.79% 0.013 19.33
Chordwise lumen diameter 0.035 < 0.1 7.89 SNP7–9    
    T-T-A 3.97% 0.021 12.71
Chordwise fiber central cavity diameter 0.015 < 0.1 7.24 SNP7–9    
    T-T-A 3.97% 0.002 15.35
0.003 < 0.1 5.15 SNP14–16    
    T-A-T 5.20% 0.006 15.60
Average fiber central cavity diameter 0.002 < 0.1 11.45 SNP7–9    
    T-T-A 3.97% 0.001 16.54
0.032 < 0.1 3.21 SNP14–16    
    T-A-T 5.20% 0.011 16.94
  1. P value significance of the haplotype-based association (P ≤ 0.05), Q value correction for multiple testing (false discovery rate, Q ≤ 0.10), R2 percentage of the phenotypic variance explained