Marker Assisted Breeding to Develop Multiple Stress Tolerant Varieties for Flood and Drought Prone Areas

Sandhu, Nitika; Dixit, Shalabh; Swamy, B. P. M.; Raman, Anitha; Kumar, Santosh; Singh, S. P.; Yadaw, R. B.; Singh, O. N.; Reddy, J. N.; Anandan, A.; Yadav, Shailesh; Venkataeshwarllu, Challa; Henry, Amelia; Verulkar, Satish; Mandal, N. P.; Ram, T.; Badri, Jyothi; Vikram, Prashant; Kumar, Arvind

doi:10.1186/s12284-019-0269-y

Rice

Table 4 The mean grain yield (kg ha⁻¹) performance of selected promising lines across different locations and seasons under moderate and severe reproductive stage drought stress (RS) and submergence conditions (Sub)

From: Marker Assisted Breeding to Develop Multiple Stress Tolerant Varieties for Flood and Drought Prone Areas

Season	QTLs	2014 WS	2015 WS	2015 WS	2014 WS	2015 DS	2016 WS	2016 WS	2014 WS	2014 WS	Combined mean
Location		Hardinath	Patna	Hardinath	Hardinath	IRRI-HQ	Raipur	Nepal gunj	Hardi nath	Nepal gunj
Targeted stress		NS	RS	RS	RS	RS	RS	RS	Sub	Sub	RS		Sub
Achieved stress		Moderate drought stress	Moderate drought stress	Moderate drought stress	Severe drought stress	Severe drought stress	Severe drought stress	Severe drought stress	Sub	Sub	Moderate drought stress	Severe drought stress
IR 96321-1447-651-B-1-1-2	qDTY_1.1 + qDTY_3.1 + Sub 1 (93%)	2799	3796	3300	1155	1525	836	909	1351	763	3298	1106	1057
IR 96321-558-563-B-2-1-1	qDTY_3.1 + Sub 1 (89%)	2306	3542	2033	1298	1635	1681	763	1664	1379	2627	1344	1522
IR 96322-34-260-B-5-1-1	qDTY_1.1 + qDTY_2.1 + qDTY_3.1 + Sub 1 (90%)	2378	2359	1100	1110	1758	1236	1539	1151	715	1946	1411	933
IR 96322-34-223-B-1-1-1	qDTY_1.1 + qDTY_2.1 + qDTY_3.1 + Sub 1 (94%)	3068	3589	2600	1105	1566	1361	–	1383	1359	3086	1344	1371
IR 96321-558-257-B-5-1-2	qDTY_3.1 + Sub 1 (92%)	2548	2017	2333	845	1679	–	–	1105	1532	2299	1262	1319
IR 96321-558-563-B-2-1-3	qDTY_3.1 + Sub 1 (93%)	2393	3383	2800	1163	2077	–	–	1662	1087	2859	1620	1375
IR 94391-131–358-19-B-1-1-1	qDTY_3.1 + Sub 1 (98%)	3390	–	2900	1405	2307	–	–	1989	1311	3145	1856	1650
IR 94391-131–358-19-B-6-1-4	qDTY_3.1 + Sub 1 (92%)	3133	–	–	1133	1870	–	–	1500	–	3133	1502	1500
IR 96322-34-127-B-1-1-1	qDTY_1.1 + qDTY_3.1 + Sub 1 (95%)	2221	–	–	1103	1349	–	–	1650	–	2221	1226	1650
Swarna-Sub1	Sub1	2183	2658	1700	1008	521	764	789	1081	1154	2180	771	1118
Swarna	–	1457	2739	1867	688	755	684	575	173	150	2021	676	162
Trial mean		2447	2987	2353	1072	1510	1267	792	1290	1231	2596	1160	1261
LSD_0.05		1437	709	908	340	585	425	630	320	554	887	554	437
Trial H		0.53	0.92	0.63	0.52	0.81	0.95	0.64	0.36	0.40	0.69	0.73	0.38

DS dry season, WS wet season, NS non-stress, RS reproductive stage drought stress, Sub Submergence stress DS dry season, IRRI HQ IRRI headquarter (Philippines), H heritability

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