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Selection index for identifying high-yielding groundnut genotypes in irrigated and rainfed environments

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Chandra, S., Nigam, S.M., Cruickshank, A. W., Bandyopadhyaya, A. and Harikrishna, S. (2003) Selection index for identifying high-yielding groundnut genotypes in irrigated and rainfed environments. Annals of Applied Biology, 143 (3). pp. 303-310.


Article Link: http://dx.doi.org/10.1111/j.1744-7348.2003.tb00298...


Selection of high yielding genotypes to be carried over to subsequent selection cycles in a breeding programme can sometimes be accomplished using a suitable index of secondary traits that may be relatively less sensitive to genotype-by-environment interactions than yield. We used the concept of correlated response to selection to measure the relative efficiency of nine selection indices. The results showed that the selection index, based on median and semi inter-quartile range, which was actually used in identifying high yielding genotypes, had an efficiency that is comparable to the best index, the latter being a modification of the Elston index.

Item Type:Article
Business groups:Crop and Food Science
Additional Information:Reproduced with permission from the Association of Applied Biologists. Journal subscribers may be able to access the published version of this article. Use hypertext link above to access publisher’s web site.
Keywords:Groundnut; selection index; indirect selection; correlated response to selection.
Subjects:Plant culture > Fruit and fruit culture > Nuts
Plant culture > Propagation
Live Archive:07 May 2004
Last Modified:07 Jul 2023 02:00

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