Table 2. Dissection of two QTLs using three NIL-F₂ populations.

Population	Segregating region	Trait	LOD	A	D	R2 (%)
ZH1	Tw31911–Tw32437	TGW	2.83	−0.20	−0.15	6.05
		GL	12.06	−0.069	−0.049	29.51
		GW	5.77	0.004	−0.024	13.61
		LWR	5.30	0.004	0.050	28.52
	Tw35293–RM266	TGW	14.79	0.46	−0.19	31.76
		GL	15.54	0.056	−0.008	17.95
		GW	1.87	0.006	−0.003	3.73
		LWR	0.17
ZH2	Tw35293–RM266	TGW	17.60	0.55	−0.02	28.63
		GL	13.15	0.065	−0.022	22.34
		GW	13.54	0.021	−0.001	22.91
		LWR	0.39
ZH3	Tw35293–RM266	TGW	12.52	0.46	0.03	21.83
		GL	17.42	0.061	−0.006	28.86
		GW	12.81	0.020	0.001	22.37
		LWR	0.38

Notes.

TGW

1,000-grain weight (g)

GL

Grain length (mm)

GW

Grain width (mm)

LWR

Length/width ratio

A

additive effect of replacing a Teqing allele with a IRBB52 allele

D

dominance effect

R²

proportion of the phenotypic variance explained by the QTL