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

Table 9

Frequency of crosses as per GCA effect of parents for economic characters.

Characters	Number of significant heterotic (mp) hybrids and GCA effects of the parents involved
	High × High	High × Low	Low × Low	Total
Plant height	0	2	1	3
Main panicle length	0	1	7	8
Exsertion length	0	2	3	5
Leaf area	1	2	4	7
Total effective tillers	0	2	2	4
Spikelet number/panicle	1	7	6	14
Filled grain/panicle	0	1	8	9
Fertility (%)	0	1	1	2
Test weight	0	4	3	7
Seed yield/plant	0	1	2	3
Total	2	23	37	62
Percentage	3.23	37.09	59.68	100