TABLE 6.

Estimated additive × additive epistatic (aa) and additive × additive epistasis × environment interaction (aae) effects of QTL detected by two-locus analyses using QTLMapper for PHS resistance in the BC₁F₇ population derived from Syn37 and Janz (Syn37/2*Janz)

QTLia	Flanking interval	QTLja	Flanking interval	LOD	aiaj effect	aae1	aae2	aae3
GI-7
QPhs.dpivic-1D	Xgdm111–Xbarc62	QPhs.dpivic-3D.2	Xgdm8–Xgwm52	4	−0.02*	NS	NS	NS
QPhs.dpivic-3D.1	XRGC–Xwms1200	QPhs.dpivic-3D.2	Xgdm8–Xgwm52	15	0.02**	NS	NS	NS
QPhs.dpivic-3D.1	XRGC–Xwms1200	QPhs.dpivic-4A.1	Xbarc170–Xgwm269c	11	−0.02*	NS	NS	NS
QPhs.dpivic-3D.1	XRGC–Xwms1200	QPhs.dpivic-4A.2	Xwms937–Xwms894	32	−0.03*	NS	0.03*	NS
QPhs.dpivic-4A.2	Xwms937–Xwms894	QPhs.dpivic-2D	Xgwm30–Xwms1274a	23	0.02*	NS	NS	NS
GI-14
QPhs.dpiv-1D	Xgdm111–Xbarc62	QPhs.dpivic-3D.1	Xcfd211–XRGC	19	−0.02*	NS	NS	NS
QPhs.dpivic-3D.1	XRGC–Xwms1200	QPhs.dpiv-3D.2	Xgdm8–Xgwm52	14	0.02**	NS	NS	NS
QPhs.dpivic-3D.1	XRGC–Xwms1200	QPhs.dpiv-4A.1	Xbarc170–Xgwm269c	21	−0.03***	0.02*	NS	0.04*
QPhs.dpivic-3D.1	XRGC–Xwms1200	QPhs.dpiv-4A.2	Xwms937–Xwms894	29	−0.04***	NS	NS	NS
QPhs.dpiv-6D	Xbarc96–Xwms1166	QPhs.dpivic-3D.1	XRGC–Xwms1200	18	0.02*	NS	NS	NS
VI
QPhs.dpiv-3D.2	Xgdm8–Xgwm52	QPhs.dpivic-3D.1	XRGC–Xwms1200	14	7.48***	NS	NS	—
QPhs.dpivic-3D.1	XRGC–Xwms1200	QPhs.dpiv-2D	Xgwm30–Xwms1274a	12	−11.91**	NS	NS	—
QPhs.dpivic-3D.1	XRGC–Xwms1200	QPhs.dpiv-4A.2	Xwms894–Xgwm397	17	−5.13*	NS	NS	—
QPhs.dpivic-3D.1	Xwms1200–Xgwm3	QPhs.dpiv-4A.1	Xbarc170–Xgwm269c	13	−6.58**	NS	NS	—
QPhs.dpiv-4A.1	Xbarc170–Xgwm269c	QPhs.dpiv-4A.2	Xwms937–Xwms894	6	5.15***	NS	NS	—
QPhs.dpiv-4A.1	Xbarc170–Xgwm269c	QPhs.dpiv-2D	Xgwm30–Xwms1274a	8	−8.38***	NS	NS	—
QPhs.dpiv-6D	Xbarc96–Xwms1166	QPhs.dpivic-3D.1	XRGC–Xwms1200	14	3.46*	NS	NS	—
SI
QPhs.dpiv-4A.1	Xbarc170–Xgwm269c	QPhs.dpiv-2D	Xgwm30–Xwms1274a	7	−0.39**	NS	NS	—
QPhs.dpiv-6D	Xwms1166–Xwms774	QPhs.dpiv-4A.2	Xwms937–Xwms894	6	0.15*	NS	NS	—
QPhs.dpiv-1D	Xgdm111–Xbarc62	QPhs.dpiv-4A.2	Xwms894–Xgwm397	7	0.19*	NS	NS	—
QPhs.dpivic-3D.1	XRGC–Xwms1200	QPhs.dpiv-4A.2	Xwms937–Xwms894	7	−0.19*	NS	NS	—
QPhs.dpivic-3D.1	Xcfd211–XRGC	QPhs.dpiv-4A.1	Xbarc170–Xgwm269c	6	−0.25*	NS	NS	—
QPhs.dpiv-3D.2	Xgdm8–Xgwm52	QPhs.dpiv-4A.1	Xgwm269c–Xwms1274b	5	−0.22*	NS	NS	—

NS, not significant. —, not tested. *P < 0.05; **P < 0.01; ***P < 0.001.

^aQTL_i and QTLj are a pair of QTL. a_ij is the effect of additive × additive interaction across environments (e₁–e₃) and positive value means parental type effect is greater than recombinant effect or vice versa.