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COMBINING ABILITY FOR GRAINYIELD AND ITS COMPONENTS IN HYBRID RICE

  • Author:W.WILFREDMANUEL AND M.RANGASWAMY

    p-ISSN:0024-9602, e-ISSN:2582-5321, Vol:82, Issue:may-may

    DOI: https://doi.org/10.29321/MAJ.10.A01198
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Abstract

                                A total of 51 rice hybrids and their 17 male parents and three isogenic maintainers were studied for their combining ability on eight characters. Based on mean performance and GCA effects, TM 4309 and TKM 6 were identified as the best combining restorer parents followed by IR 64, CO 37, ADT 36, Jaya, ASD 18 and TNAU 88013, while ADT 39 was identified as a potential maintainer for the CMS line V 20A. Based on mean performance and SCA effects, five hybrids viz., IR 62829A/TKM 6, V20A/TNAU 88013, IR 62829A/TM 4309, IR 58025A/TKM 6 and IR58025 A/TM4309 were identified as the best for grain yield and most component traits.

Key words : Hybrid Rice, Combining Ability, Yield Components

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Tamil Nadu Agricultural University
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Tamil Nadu Agricultural University
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ISSN : 0024-9602
eISSN : 2582-5321

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