DR. A. R. PATHAKBARAD YOGENDRAKUMAR MULUBHAI2017-08-012017-08-012008http://krishikosh.egranth.ac.in/handle/1/5810026866An experimental material comprised of five females (pistillate lines), eight males (testers) and their 40 hybrids developed through line x tester mating design were grown in a randomized complete block design with three replications at Regional Research Station, Anand Agricultural University, Anand during kharif 2007-08. The objectives of this investigation were to study the performance of parents and hybrids, magnitude of heterosis and their combining ability.enGenetics & Plant bredingStudyHETEROSIS AND COMBINING ABILITY STUDIES IN CASTOR [Ricinus communis (L.)]Thesis