Inheritance of yield and its components in castor
1984
Swarnalata | Prasad, M.V.R. | Rana, B.S. (IARI Regional Station, Hyderabad (India))
A diallel involving 17 diverse varieties of castor (Ricinus communis L.) was examined for combining ability analysis. General and specific combining ability effects were significant for number of nodes to flower, number of capsules per primary spike, seed yield per plant and 100 seed weight but only general combining ability was significant for plant height and primary spike length. The tall cultivars such as 'HC-8', 'PB1' and 'P4' were better combiners for primary spike length, seed yield and 100 seed weight. Among dwarf or midtall parents, 'Bhagya', '1-21' and 'Aruna' were better combiners for dwarfing, number of nodes to flower and number of capsules per primary spike. The dwarf X tall crosses were the highest yielders with longest primary spikes and more number of capsules per primary spike
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