Rosamma CA, Vijayakumar NK. Heterosis and combining ability in rice (Oryza sativa L.) hybrids developed for Kerala state. IJGPB [Internet]. 2005 May 25 [cited 2025 Jul. 30];65(02):119-20. Available from: https://www.isgpb.org/journal/index.php/IJGPB/article/view/1633