Gene action for pre and post harvest traits in F2 wheat populations: Research article

Sultan Akbar Jadoon; Fida Mohammad; Hidayat Ullah; Iftikhar H Khalil

doi:10.5339/connect.2012.11

EISSN: 2223-506X

oa Gene action for pre and post harvest traits in F2 wheat populations

Research article

Authors: Sultan Akbar Jadoon¹, Fida Mohammad², Hidayat Ullah¹, Iftikhar H Khalil²
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Affiliations: ¹ ¹Department of Agriculture, The University of Swabi-Khyber Pakhtunkhwa, Pakistan ² ²Department of Plant Breeding and Genetics, The University of Agriculture, Peshawar, Pakistan
Source: QScience Connect, Volume 2012, Issue 1, January 2012,
DOI: https://doi.org/10.5339/connect.2012.11
- Received: 09 May 2012
- Accepted: 19 November 2012
- Published online: 01 July 2013

Abstract

The inheritance mechanism for plant height, days to heading, spike length, grains spike^− 1 and biological yield traits in 8 × 8 half diallel F2 wheat populations was studied at Agricultural University, Peshawar, Pakistan, during 2006-07. The experiment was laid out in randomized complete block (RCB) design having four replications. Each experimental unit was assigned a four-row plot of 5 m length with row-row space of 30 cm. Analyses of variance displayed significant genotypic differences for studied traits. Diallel analyses reflected significance of both additive and non-additive components in the inheritance of these traits, however, genetic components revealed the importance of a non-additive component. The average degree of dominance being greater than unity indicated involvement of over-dominance for phenotypic expression of all traits studied. Broad-sense heritability values were much higher than narrow-sense and thus delayed selection till advance generations are suggested.

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Gene action for pre and post harvest traits in F2 wheat populations

QScience Connect 2012, 11 (2012); https://doi.org/10.5339/connect.2012.11

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Article Type: Research Article

Keyword(s): additive and non-additive gene effects , diallel analysis and Wheat

oa Gene action for pre and post harvest traits in F2 wheat populations

Research article

Abstract

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