Indian Society of Genetics & Plant Breeding
Selection indices for yield were constructed and their efficiency assessed in terms of
predicted genetic advance using 24 cultivars of chickpea. Four groups of indices based on
1 to 7 characters including yield were evaluated. The choice of character combinations was
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based on four criteria which were functions of heritability (h2) and genotypic correlation
with yield (rgl. Efficiency of the indices over direct selection in terms of predicted genetic
advance ranged from 5.4 to 101.7%, the highest efficiency being for all the inclusive
7-character index. In all the four groups, the efficiency of indices increased with increasing
number of characters. The mean predicted advance and efficiency of individual groups of
indices indicated that for constructing a selection index to select high yielding genotypes,
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yield should be indicated first followed by characters having higher h2 • rg values.
Keywords: cicer arietinum, chickpea, selection indices, genetic advance, selection efficiency.
Year: 1996
Volume: 56
Issue: 1
Article DOI: NA
Print ISSN: 0019-5200
Online ISSN: 0975-6906
K. M. SAMAL AND P. N. JAGADEY info_circle
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