Table 4 Performance of promising PLs with qDTY_2.2 + qDTY_4.1 in terms of data on days to 50% flowering (days), plant height (cm), and grain yield (kg ha⁻¹) under reproductive-stage drought stress (RS) and irrigated non-stress (NS) conditions at IRRI, Philippines and Hyderabad, India.

From: Positive interactions of major-effect QTLs with genetic background that enhances rice yield under drought

Location	Season	Agronomic trait	Environment	IR 99734:1-33-69-1-39-6	IR 99734:1-33-69-1-12-8	IR 99734:1–33–69–1–12–9	IR 99734:1-33-304-1-5-8	IR 99734:1-33-304-1-5-10	Samba Mahsuri	Trial Mean	H
Philippines	DS 2016	DTF	NS	79	80	74	75	74	93	85 ± 4	0.73
		DTF	RS	80	82	77	77	79	—	82 ± 3	0.65
		PHT	NS	93	94	91	91	84	77	89 ± 1	0.74
		PHT	RS	71	71	71	71	56	—	66 ± 2	0.77
		GY	NS	5154	4682	4400	4400	4107	4951	4575 ± 184	0.70
		GY	RS	296	272	219	340	250	0	222 ± 110	0.54
	WS 2015	DTF	NS	81	82	81	83	81	105	87 ± 1	0.83
		DTF	RS	84	86	79	88	81	130	98 ± 7	0.74
		PHT	NS	108	104	106	108	109	101	105 ± 4	0.85
		PHT	RS	85	74	85	80	71	74	71 ± 6	0.70
		GY	NS	4508	3847	4353	5404	4880	4044	4180 ± 569	0.75
		GY	RS	498	278	204	175	190	48	114 ± 126	0.64
	DS 2015	DTF	NS	87	88	87	85	85	100	88 ± 1	0.88
		PHT	NS	92	84	92	94	92	85	86 ± 7	0.79
		GY	NS	9482	6176	6143	7586	7002	5325	6144 ± 1208	0.75
	WS 2014	DTF	NS	84	84	84	86	86	100	88 ± 2	0.84
		PHT	NS	103	103	103	103	103	95	100 ± 3	0.78
		GY	NS	3242	3073	3073	2842	2842	2137	3301 ± 488	0.72
	DS 2014	DTF	NS	87	88	88	83	83	102	84 ± 4	0.88
		DTF	RS	94	94	94	90	90	—	92 ± 4	0.73
		PHT	NS	93	91	91	87	87	87	91 ± 6	0.77
		PHT	RS	70	65	65	64	64	—	62 ± 5	0.68
		GY	NS	13985	10371	10371	10050	10050	9753	8133 ± 736	0.88
		GY	RS	624	1109	1109	823	823	0	850 ± 556	0.78
	DS 2013	DTF	NS	78	78	78	81	81	89	83 ± 1	0.75
		DTF	RS	86	86	86	83	83	—	85 ± 2	0.67
		PHT	NS	79	79	79	82	82	80	81 ± 1	0.77
		PHT	RS	77	77	77	79	79	—	69 ± 3	0.64
		GY	NS	2549	2549	2549	1399	1399	2486	2376 ± 118	0.88
		GY	RS	1299	1299	1299	1279	1279	0	1366 ± 485	0.73
	DS 2016	BLB score		7	7	7	1	1	7	5
	DS 2016	Blast score		1	2	2	4	3	1	2
Hyderabad	Season	Agronomic trait	Environment	IR 99734:1-33-69-1-20-SM-1	IR 99734:1-33-69-1-9-SM-1	IR 99734:1-33-69-1-9-SM-5	IR 99734:1-33-304-1-5-SM-1	IR 99734:1-33-304-1-5-SM-5	Samba Mahsuri	Trial Mean
	WS 2015	DTF	NS	97	95	97	94	96	110	97 ± 2	0.90
		DTF	RS	97	111	96	95	107	—	97 ± 1	0.67
		PHT	NS	113	113	113	113	113	112	113 ± 4	0.50
		PHT	RS	60	58	58	54	56	—	56 ± 1	0.60
		GY	NS	7851	7586	8111	7130	6478	4166	7570 ± 581	0.86
		GY	RS	610	723	536	419	559	0	658 ± 59	0.58
	DS 2015	DTF	NS	114	107	108	108	105	112	86 ± 3	0.95
		PHT	NS	86	83	88	81	85	79	89 ± 3	0.81
		GY	NS	5645	6012	6365	4788	6239	7403	5858 ± 880	0.51
	WS 2014	DTF	NS	90	90	90	87	87	101	88 ± 1	0.95
		DTF	RS	92	89	89	94	94	111	96 ± 1	0.82
		PHT	NS	106	96	96	96	96	86	97 ± 4	0.84
		PHT	RS	64	65	65	55	55	53	61 ± 2	0.77
		GY	NS	6407	6699	6699	6389	6389	4762	6285 ± 557	0.79
		GY	RS	115	519	519	227	227	0	322 ± 35	0.57

NS: Non stress, RS: Reproductive stage drought stress, DTF: Days to 50% flowering, PHT: Plant height, GY: Grain yield, H: Heritability, BLB and Blast score: 0: highly resistant, 1–2: resistant, 3–4: moderately resistant, 5–6: moderately susceptible, 7–8: susceptible, 9: highly susceptible

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Table 4 Performance of promising PLs with qDTY_2.2 + qDTY_4.1 in terms of data on days to 50% flowering (days), plant height (cm), and grain yield (kg ha⁻¹) under reproductive-stage drought stress (RS) and irrigated non-stress (NS) conditions at IRRI, Philippines and Hyderabad, India.

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