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Crop Improvement
Year : 2005, Volume : 32, Issue : 1
First page : ( 14) Last page : ( 19)
Print ISSN : 0256-0933. Online ISSN : 2231-4563.

Genetic Divergence in Relation to Geographical Origin/Pedigree in Wheat (Triticum Aestivum L.)

Sharma S.C., Suri Vishal

Department of Plant Breeding, Genetics & Biotechnology, Punjab Agricultural University, Ludhiana-141004

Abstract

Two hundred genotypes of wheat (Triticum aestivum L) when subjected to Mahalanobis D2 analysis based on eight morphological characters were found to group into 16-clusters. Some genotypes having same pedigree did not represent the same cluster but were rather grouped into different clusters suggesting the lack of correspondence between the genetic divergence and pedigree. The genotypes collected/released from different places have been grouped in the same cluster suggesting that like the pedigree, place of origin/development did not have any relation with the genetic divergence. Based on genetic divergence and mean performance of genotypes the crosses namely Anza x WG138, Anza x Chris, WH291 x Parula ‘S’, WH291 x Veranopolis,WH291 x Torim and WH291 x NP846 can be involved in hybridization program for yield improvement in wheat.

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Index Words

Genetic Divergence, Triticum aestivum, wheat.

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