COMBINING ABILITY FOR GRAIN TRAITS IN RICE

P. VIVEKANANDAN AND S. GIRIDHARAN

doi:https://doi.org/10.29321/MAJ.10.A00852

Madras Agricultural Journal

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COMBINING ABILITY FOR GRAIN TRAITS IN RICE

Author: P. VIVEKANANDAN AND S. GIRIDHARAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 84, Issue: mar-mar,

DOI:https://doi.org/10.29321/MAJ.10.A00852

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Abstract

Combining ability studies in rice for grain traits revealed additive gene action for 100 grain weight, grain length, breadth and thickness. Based on the per se performance and gea effects, ADT 39 and Improved White Ponni were the best parents for improvement of grain traits besides grain yield. ADT 39/Pusa Basmati I and Improved White Ponni/Pusa Basmati 1 are suitable for 1 recombination breeding, while IR 50/Pusa Basmati I may be exploited for heterosis breeding.

Keywords: Rice, grain quality, combining ability

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