The present investigation was carried during Kharif 2015-16 at Agricultural College Farm, Bapatla to estimate the combining ability and to determine the nature and magnitude of heterosis for yield and yield component traits in rice. The experimental material consisted of 21 hybrids produced by crossing three cytoplasmic male sterile lines with seven elite testers in Line x Tester design. | Heterosis and combining ability studies for yield and yield component traits in rice Oryza sativa L.
