Madras Agricultural Journal
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Research Article | Open Access | Peer Review

THE COMBINING ABILITY IN CASTOR

Volume : 82
Issue: Sep-oct
Pages: 545 - 547
Published: July 07, 2023
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Abstract


Combining ability of the three pistillate lines and eight testers was assessed by Line x .ester analysis. The variance components due to sea were higher than gca for five characters except for number of nodes upto the main spike indicating the predominance of non- additive gene action. The genotypes 262-1 and TMV 5 mutant 3 were the good general combiners. The hybrid combinations 240 x TMV 5 mutant 1, 240 x TMV 5 mutant 4 and 262 1 x TMV 5 mutant 3 were good specific combiners. These materials can be profitably utilised in the exploitation of new hybrids in castor.

DOI
Pages
545 - 547
Creative Commons
Copyright
© The Author(s), 2025. Published by Madras Agricultural Students' Union in Madras Agricultural Journal (MAJ). This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium, provided the original work is properly cited by the user.

Keywords


Castor Line x Tester Analysis Mutants of TMV 5 Non- Additive Gene Action General Combiners Specific Combiners.
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