Identification and Validation of QTLs for Macronutrient Contents in Brown and Milled Rice Using Two Backcross Populations between Oryza sativa and O. rufipogon

Table 1

Phenotypic performance of macronutrient contents in brown and milled rice in two sets of BIL populations derived from interspecific cross of Xieqingzao B/Dongxiang wild rice.

Population	Element	Trial	Tissue	Mean (mg/kg)	SD	CV	Range	Skewness	Kurtosis	XB (mg/kg)
BC1F5	P	LS11	Brown rice	3785.6	803.6	0.14	2096.0–5868.0	0.34	−0.39	3550.0
		HZ12	Brown rice	3956.8	642.9	0.11	2112.0–5868.0	0.49	0.36	2848.0
			Milled rice	1695.8	439.0	0.13	988.0–3426.0	1.59	2.63	1021.0
	K	LS11	Brown rice	2109.9	476.6	0.14	1089.0–3384.0	0.25	−0.37	2102.0
		HZ12	Brown rice	2475.9	388.9	0.11	1507.0–3568.0	0.20	−0.005	1810.0
			Milled rice	1044.3	286.6	0.13	522.0–2214.0	1.28	2.29	661.0
	Mg	LS11	Brown rice	1442.4	361.3	0.15	696–2416.0	0.39	−0.29	1461.0
		HZ12	Brown rice	1339.4	251.9	0.11	732.0–2218.0	0.67	1.01	1068.0
			Milled rice	465.0	163.1	0.15	214.0–1062.0	1.45	1.94	261.0
	Ca	LS11	Brown rice	133.0	29.1	0.14	61.7–208.6	0.29	−0.42	121.9
		HZ12	Brown rice	197.4	42.9	0.14	114.4–313.4	0.37	−0.36	179.1
			Milled rice	84.7	33.7	0.17	3.3–201.8	0.18	0.31	123.2
	Na	LS11	Brown rice	18.75	9.23	0.22	3.45–41.72	0.21	−1.14	22.12
		HZ12	Brown rice	14.36	6.41	0.18	0.08–36.22	0.54	0.10	10.30
			Milled rice	6.01	4.44	0.17	0.06–25.96	1.10	1.64	9.40
BC2F4:5	Mg	HZ16	Brown rice	1383.9	90.6	0.07	1207.3–1638.5	0.61	0.17	1257.0
	Ca		Brown rice	148.2	18.3	0.12	115.2–201.4	0.54	−0.35	134.6
	Mg	HZ17	Brown rice	1339.5	31.5	0.02	1275.5–1397.6	−0.18	−0.81	1332.3
			Milled rice	159.1	46.6	0.29	89.7–246.7	0.31	−1.36	211.2
	Ca	HZ17	Brown rice	137.7	12.1	0.09	117.4–159.7	0.05	−1.13	141.8
			Milled rice	66.1	7.4	0.11	54.0–80.7	0.26	−0.95	71.9

LS11: 2011 winter season in Lingshui; HZ12: 2012 summer season in Hangzhou; HZ16: 2016 summer season in Hangzhou; HZ17: 2017 summer season in Hangzhou.