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

Table 3

QTLs for macroelement contents in brown and milled rice detected in the BC₁F₅ BIL population.

Trial	Tissue	Element	QTL	Interval	LOD			Previous reports
LS11	Brown rice	P	qP3	RG482-RZ519	3.59	401.37	11.36
			qP9	RM316-RZ698	3.04	−276.52	8.73
		K	qK2	RM250-RM213	2.53	175.05	7.30
			qK9	RM316-RZ698	2.49	−148.38	7.03	[16]
		Mg	qMg3	RG482-RZ519	3.45	172.90	10.30	[5, 15]
			qMg9	RM316-RZ698	3.45	−127.30	9.10	[5, 32]
		Ca	qCa9	RM316-RZ698	2.60	−9.38	7.47	[15, 35]
HZ12	Brown rice	P	qP4	RM142-RM273	2.66	276.47	7.67
		Mg	qMg4	RG449-RM142	2.52	101.80	6.70
		Ca	qCa1.1	RM5359-RG173	3.47	−14.58	6.94	[34]
			qCa1.2	RM315-RG236	3.02	12.84	5.98	[35, 36]
			qCa4.1	RG449-RM142	5.24	22.94	13.00
			qCa7	RM214-RG678	3.02	−19.89	6.46
		Na	qNa1	RM315-RG236	2.59	3.35	10.59	[37]
	Milled rice	P	qP12	RM101-RG463	5.06	546.40	53.17	[15, 16, 32]
		K	qK12	RM101-RG463	3.02	312.64	33.07
		Mg	qMg12	RM101-RG463	4.48	199.10	56.80	[15]
		Na	qNa1	RM315-RG236	2.87	3.48	22.37	[37]

indicates an additive effect of replacing a Xieqingzao B allele by a Dongxiang wild rice allele; indicates the proportion of phenotypic variance explained by the QTL effect.