Table 4.

Haplotypes significantly associated with wood quality traits

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

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