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Estimation of general and combining ability effects by Line X Tester Analysis

Sangeeta Ahuja , Sangeeta Ahuja

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Indian Journal of Agriculture Business 6(2):p 67-72, . | DOI: http://dx.doi.org/10.21088/ijab.2454.7964.6120.2
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Sangeeta Ahuja. Estimation of general and combining ability effects by Line X Tester Analysis. Indian Journal of Agriculture
Business 2020;

Received : N/A         Accepted : N/A          Published : N/A
Abstract

Using a broad-based genotype as a tester the general combining
ability of lines is tested in the top cross method. Line X Tester analysis
is an extension of this method in which several testers are used. This
design thus provides information about general and specific combining
ability of parents and at some time it is helpful in estimating various
types of gene effects. This paper constructs and computes Line X
Tester methodologies with and without parents. It also constructs
and determine the analysis of variance for parents and crosses. The
computation of the analysis of variance for RBD design have been
done. It also determines the genetic components, standard errors
for combining ability effects and proportional contribution of lines,
testers with interactions to various genetic components. Rigorous
experimentation with multiple data sets have been done and it gives
promising results. Economic benefits have been observed to such a
large extent by implementation of the methods and analysis discussed.

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  • Sangeeta Ahuja
    ,
  • Sangeeta Ahuja
    ,
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Cite this article

Sangeeta Ahuja. Estimation of general and combining ability effects by Line X Tester Analysis. Indian Journal of Agriculture
Business 2020;

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Received Accepted Published
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DOI: http://dx.doi.org/10.21088/ijab.2454.7964.6120.2
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