Table 7 Epistasis QTLs identified in F₂ population.

From: Dynamic QTL mapping revealed primarily the genetic structure of photosynthetic traits in castor (Ricinus communis L.)

Stage	Trait	QTL_i	Interval_i	Position_i (cM)	Range_i (cM)	QTL_j	Interval_j	Position_j (cM)	Range_j (cM)	PVE (%)	AA	AD	DA	DD
I	Pn	FqPn2.2	RCM820–RCM1212	9	0.0–14.0	FqPn7	RCM150–RCM1824	9	3.0–15.0	6.52	− 0.02	− 2.13	− 0.78	− 8.56
	Wue	FqWue1.4	RCM1842–RCM1835	67.8	63.4–69.8	FqWue1.7	RCM550–RCM1846	187.1	177.1–196.9	7.56	− 0.12	1.88	0.53	− 2.20
		FqWue1.5	RCM1838–RCM1768	88.2	84.2–88.2	FqWue1.7	RCM550–RCM1846	187.1	177.1–196.9	3.77	− 0.09	− 1.09	1.47	− 0.17
		FqWue1.6	RCM1848–RCM1335	214.9	206.9–225.9	FqWue6	RCM1521–RCM1520	17.6	10.0–23.2	5.39	− 0.68	− 0.49	1.67	− 0.24
	Tr	FqTr2.2	RCM523–RCM524	44.9	39.8–46.9	FqTr9	RCM933–RCM950	4	0.0–8.0	8.43	− 0.60	0.17	0.03	0.93
		FqTr2.3	RCM511–RCM42	60.1	56.5–65.1	FqTr9	RCM933–RCM950	4	0.0–8.0	4.42	0.05	0.71	0.59	0.83
		FqTr4	RCM563–RCM98	14.2	5.0–22.2	FqTr9	RCM933–RCM950	4	0.0–8.0	5.72	0.93	− 0.44	− 0.46	0.00
	Gs	FqGs1.4	RCM1843–RCM123	31.9	25.0–37.9	FqGs1.6	RCM1842–RCM1835	67.8	67.4–72.8	7.49	0.04	0.00	− 0.03	0.15
		FqGs1.5	RCM1848–RCM1335	244.9	236.9–252.7	FqGs2.1	RCM820–RCM1212	3	0.0–11.0	8.20	− 0.06	− 0.06	0.04	− 0.01
		FqGs5	RCM76–RCM74	29.6	18.9–30.6	FqGs9	RCM950–RCM915	20.5	10.5–24.5	6.03	− 0.01	0.08	− 0.03	− 0.02
	Ci	FqCi1.3	RCM1842–RCM1835	69.8	67.4–71.8	*FqCi1.2*	RCM550–RCM1846	193.1	183.1–199.9	6.19	− 1.27	− 45.82	1.33	− 4.27
	Ci	*FqCi1.2*	RCM550–RCM1846	193.1	183.1–199.9	FqCi2.1	RCM820–RCM1212	16	9.0–24.8	7.14	− 6.06	− 39.20	25.78	56.18
	Cc	FqCc1.2	RCM1769–RCM1843	6	0.0–14.0	FqCc1.4	RCM398–RCM551	122.7	112.6–131.7	4.37	0.87	− 3.80	− 0.39	− 4.00
	Cc	FqCc1.3	RCM1769–RCM1843	24	16.0–44.9	FqCc1.4	RCM398–RCM551	122.7	112.6–131.7	3.47	0.71	− 0.90	2.02	2.07
II	Pn	*qPn1.2*	RCM1784–RCM1625	95.3	92.1–98.3	FqPn9	RCM950–RCM915	12.5	5.0–18.5	6.47	4.05	1.34	1.87	5.54
	Wue	FqWue1.8	RCM1843–RCM123	47.9	37.9–56.4	FqWue3.1	RCM1567–RCM866	45.2	37.7–50.2	5.63	0.24	− 0.59	− 0.71	0.56
		qWue1.2	RCM1842–RCM1835	74.8	72.8–74.8	FqWue3.2	RCM279–RCM1567	43.7	37.7–50.2	1.93	0.16	− 0.97	0.74	− 0.09
		FqWue1.9	RCM398–RCM551	128.7	118.7–135.7	FqWue9	RCM950–RCM915	17.5	12.5–23.5	8.11	0.56	1.33	0.78	1.38
	Tr	FqTr1.3	RCM1336–RCM1338	264.5	254.7–264.5	FqTr2.2	RCM523–RCM524	50.9	47.9–52.5	6.50	− 0.47	− 0.43	− 0.20	1.17
	Tr	FqTr2.4	RCM67–RCM83	91.1	83.1–101.1	FqTr3.1	RCM872–RCM279	25.6	20.6–33.7	9.08	− 0.43	0.69	− 1.18	0.36
	Gs	FqGs1.6	RCM1842–RCM1835	72.8	71.8–74.8	FqGs9	RCM950–RCM915	8.5	2.0–15.5	7.64	0.09	− 0.02	− 0.03	0.09
	Gs	*FqGs1.2*	RCM1784–RCM1625	95.3	92.1–99.3	FqGs9	RCM950–RCM915	8.5	2.0–15.5	0.88	0.01	0.00	0.03	− 0.01
	Ci	FqCi1.4	RCM1784–RCM1625	95.3	91.1–98.3	FqCi2.2	RCM524–RCM511	51.5	50.9–54.5	4.94	10.90	− 22.34	23.25	55.52
III	Pn	FqPn1.4	RCM1843–RCM123	41.9	34.9–48.9	FqPn2.3	RCM1212–RCM523	39.8	33.8–46.9	5.77	− 0.80	− 0.54	− 2.76	6.94
		FqPn1.5	RCM1842–RCM1835	67.8	65.4–68.8	FqPn2.3	RCM1212–RCM523	39.8	33.8–46.9	5.19	1.41	2.91	− 4.47	− 1.33
		FqPn2.3	RCM1212–RCM523	39.8	33.8–46.9	FqPn4	RCM98–RCM582	27.5	21.2–29.4	6.52	− 3.37	− 0.50	− 1.24	− 3.88
		FqPn2.4	RCM511–RCM42	66.1	61.1–66.1	FqPn4	RCM98–RCM582	27.5	21.2–29.4	1.56	− 0.74	− 1.49	0.27	− 2.83
	Wue	FqWue1.8	RCM1843–RCM123	44.9	37.9–55.4	FqWue2	RCM1212–RCM523	24.8	16.0–31.8	7.97	− 0.36	0.56	− 0.93	1.22
	Wue	FqWue1.4	RCM1842–RCM1835	67.8	64.4–69.8	FqWue2	RCM1212–RCM523	40.8	34.8–47.9	6.15	0.90	0.83	− 0.90	− 0.40
	Tr	FqTr1.4	RCM1769–RCM1843	0	0.0–6.0	FqTr3.2	RCM226–RCM945	76.9	69.9–82.9	7.34	− 0.25	0.29	0.43	− 1.16
	Gs	FqGs1.7	RCM123–RCM1842	60.4	58.4–63.4	FqGs2.2	RCM42–RCM46	69.1	63.1–75.5	7.13	0.04	0.10	0.04	− 0.04

The underlined loci have both epistatic and single-locus effects.

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Table 7 Epistasis QTLs identified in F₂ population.

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