Introgression of Root and Water Use Efficiency Traits Enhances Water Productivity: An Evidence for Physiological Breeding in Rice (Oryza sativa L.)

Rice

Table 6 Variability in yield and yield-related traits among parents and BC₃F₃ progenies for under semi-irrigated aerobic condition

Parents/Progenies	DFF	PN	# of S/P	TW	PL	SF	GY	GL	GW
IR-64	84	22	123	24	18	54	23	9.10	2.10
AC-39020	103	11	82	34	17	83	23	6.00	3.00
IET-16348	95	21	159	27	17	72	26	7.60	2.20
260 lines	84	23	117	27	18	80	32	8.88	2.06
Minimum	76	18	97	21	10	65	8	7.60	1.28
Maximum	95	28	143	29	21	95	50	9.77	2.41
CD	6.4	4.2	7.6	3.3	3.9	12.4	6.12	0.522	0.32
CV	3.6	2.1	4.3	6.8	5.4	5.5	7.6	5.6	4.3

Note: DFF Days to 50% flowering (days), PN Panicle number (#), # of S/P Number of spikelets per panicle (#), TW Test weight (g), PL Panicle length (cm), SF Spikelet fertility (%), GY Grain yield (g pl⁻¹), GL Grain length (mm), GW Grain width (mm)