Table 3.

Summary of the additive, dominant, and epistatic effects of all significant InDels for each trait in P. tomentosa natural population.

Trait	No. of interacting InDelsa	Epistatic pairs (InDel–InDel)	No. of genes	Epistatic pairs (gene–gene)	No. of interacting InDels under additive and dominance	No. of genes harboring three genetic effectsb
α-Cellulose	142	117	115	115	18	18
Hemicellulose	121	94	97	92	11	11
Holocellulose	146	140	117	136	24	21
Lignose	85	55	74	54	10	10
Fiber length	110	94	93	92	11	10
Fiber width	115	87	95	87	17	17
MFA	77	50	66	50	9	9
H	42	23	38	23	4	4
DBH	94	63	84	62	10	10
V	207	279	164	273	30	28
Total	517	940	290	906	58	53

No., number; MFA, microfiber angle; DBH, diameter at breast height; H, stem height; V, stem volume; Lignin, lignin content; Holocellulose, holocellulose content; α-Cellulose, α-cellulose content; Hemicellulose, hemicellulose content. ^aThe significance threshold of P ≤ 1E-04 under epistasis. ^bThe number of significant genes showing additive, dominance, and epistatic effects for each trait.