COMPONENTS OF GENETIC VARIATION AMONG A SET OF TWELVE PARENTS IN RAINFED RICE

A. AMIRTHADEVARATHINAM

doi:https://doi.org/10.29321/MAJ.10.A02482

Madras Agricultural Journal

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COMPONENTS OF GENETIC VARIATION AMONG A SET OF TWELVE PARENTS IN RAINFED RICE

Author: A. AMIRTHADEVARATHINAM,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 71, Issue: jun-jun,

DOI:https://doi.org/10.29321/MAJ.10.A02482

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Abstract

Genetic analysis of components of variation for yield and yield components in rainfed rice revealed the importance of both additive and non-additive type of gene action in the inheritance of characters. The parents IR. 13564, IR 45 and IR 8072 were found to be good general combiners for making simultaneous improvement in plant yield coupled with grains per panicle, 1000 seed weight, days to flowering and plant height in the desired direction.

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