Understanding Gene Action, Combining Ability, and Heterosis to Identify Superior Aromatic Rice Hybrids Using Artificial Neural Network

Table 3

Combined analysis of variance for diallel crosses and analysis of variance for combining ability for 10 quantitative traits in the F1 generation.

	df	Plant height	Main panicle length	Exsertion length	Leaf area	Total effective tillers	Spikelet number/panicle	Filled grains per panicle	Fertility (%)	Test weight 250 seeds	Seed yield per plant
Parents	6	906.98	17.69	29.55	132.59	19.45	12110.97	5553.08	428.08	1.92	273.14
F1	20	484.28	10.73	29.27	175.54	59.41	11301.01	5558.83	402.1	1.9	258.55
P v F1	1	1294.15	0.002	9.45	117.95	11.08	31600.18	1780.49	1657.73	1.56	287.68
Replication	1	6.94	0.037	5.54	2.82	35.55	134.63	339.87	19.25	0.016	141.32
Error	27	40.36	1.02	5.81	20.27	12.99	381.51	250.51	7.16	0.030	97.61
GCA	6	290.54	6.19	10.44	114.33	20.78	9072.78	1804.75	477.5	1.18	218.56
SCA	21	307.98	5.87	15.40	72.68	25.4	5271.74	2967.11	155.67	0.879	106.54
Var GCA		30.04	0.631	0.837	11.58	1.59	986.89	186.61	52.66	0.129	18.86
Var SCA		287.8	5.35	12.5	62.54	18.9	5080.98	2841.86	152.1	0.864	57.74
Predictability factor		0.173	0.191	0.118	0.270	0.144	0.280	0.116	0.409	0.230	0.395

, , Significant at , 0.01, and 0.001, respectively. Var GCA: variance due to GCA and Var SCA: variance due to SCA.