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

Table 2 SNP markers significantly associated with wood quality traits in the association population (n = 125)

Traits	Maker	Position	Polymorphism	P value	Q value	r²(%)
Wood basic density	SNP5	Intron3	[C:T]	0.0363	0.0323	5.62%
	SNP6	Intron3	[C:T]	0.0494	0.0368	5.11%
	SNP9	Exon5	[G:T] ^NS	0.0302	0.0314	5.93%
	SNP27	Exon9	[A:G]	0.0431	0.0259	5.37%
	SNP30	Exon9	[C:T] ^NS	0.0227	0.0149	6.39%
Pore rates	SNP37	Exon3	[A:G]	0.0175	0.0427	8.09%
Cell wall percentages	SNP34	Exon10	[A:C]^NS	0.0355	0.0363	7.34%
Radial lumen diameter	SNP23	Exon3	[A:G]	0.0042	0.0030	9.26%
Radial lumen diameter	SNP34	Exon10	[A:C]^NS	0.0400	0.0371	7.13%
Chordwise lumen diameter	SNP7	Intron3	[C:T]	0.0336	0.0398	7.47%
	SNP8	Intron4	[G:T]	0.0023	0.0404	12.10%
	SNP16	Exon7	[C:T]	0.0286	0.0352	7.76%
Radial fiber central cavity diameter	SNP23	Exon3	[A:G]	0.0124	0.0386	7.55%
Chordwise fiber central cavity diameter	SNP7	Intron3	[C:T]	0.0481	0.0343	6.86%
	SNP8	Intron4	[G:T]	0.0077	0.0226	10.17%
	SNP16	Exon7	[C:T]	0.0369	0.0420	5.38%
Average fiber central cavity diameter	SNP23	Exon3	[A:G]	0.0124	0.0386	7.55%

ISSN: 2730-6844