Table 2.

Segregating populations generated by drought breeding programs for genetic analysis and breeding for drought tolerance; genetic stocks maintained at IRRI (Source: information provided by Arvind Kumar, IRRI).

Population name	Parent A	Parent B	Type	Population size
IR78875	Apo	IR64	RIL	200
IR78877	Apo	IR72	RIL	200
IR78908	Vandana	IR64	RIL	200
IR78910	Vandana	IR72	RIL	200
IR79971	Vandana	Way Rarem	RIL	500
IR78937	IR 47701-6-B-1	IR55435-05	RIL	500
IR79913	IR 55419-04	Way Rarem	RIL	500
IR79915	IRRI 132	IR55419-04	RIL	500
IR72757	Bala	IR64	RIL	400
IR79971	Vandana	Way Rarem	RIL	500
IR80508	IRRI 132	AUS 257	RIL	500
IR81023	IRRI 143	CT 6510-24-1-2	RIL	500
IR81027	IRRI 143	UPLRI 7	RIL	500
IR81047	IR 01A102	CT 6510-24-1-2	RIL	500
IR81063	NOK	IR74371-46-1-1	RIL	500
IR81896	Apo	Swarna*2	BCa	500
IR81895	Apo	Mahsuri*2	BC	200
IR84179	IR 78877-208-B-1-2	IR72*2	BC	500
IR84182	IR 78878-53-2-2-2	IR 72875-94-3-3-2*2	BC	400
IR83632	IR 78910-34-B-2-2	IR72	RIL	500
IR84184	IR 78908-63-B-1	IR64*2	RIL	300
IR83614	IR78875-131-B-1-2	IR64	RIL	800
IR84148	IR79971-B-55-B-B	Way Rarem	RIL	500
IR83575	IR 79913-B-102-B-5	Way Rarem	RIL	200
IR81024	IR77298-5-6	IR71525-19-1-1	RIL	500
IR84129	IR77298-5-6	IR77298-14-1-2	RIL	500
IR83641	IR77298-14-1-2	IR64	RIL	300

^aBC, backcross.