Show simple item record

dc.contributorGrando, Stefaniaen_US
dc.contributorCeccarelli, Salvatoreen_US
dc.creatorSingh, Murarien_US
dc.identifier.citationMurari Singh, Stefania Grando, Salvatore Ceccarelli. (3/4/2006). Measures of repeatability of genotype by location interactions using data from barley trials in Northern Syria. Experimental Agriculture, 42 (2), pp. 189 -198.en_US
dc.description.abstractGenotype x environment interaction plays an important role in the identification of genotypes with high and stable yields. The environmental components of such interaction can be attributed to location (spatial) and year (temporal) factors. This Study considers a specific aspect of the location factor, i.e. that locations not geographically close to each other are likely to vary in terms of the conditions that determine the effect of the year factor, even during the same calendar year. In these situations, the year effects arc considered to be random variables within each location. This study addresses the question of whether genotype x location interactions are consistent (or repeatable) over time: a question which is crucial when defining the target environments in a plant breeding programme and when deciding the Optimum environment for selection. Using three sets of data from field experiments, various computation methods were developed to estimate variance components; the methods and estimates are presented here. Using the bootstrapping procedure to sample one year from each location within a given calendar year, we obtained bootstrap replicated values of genotype x location interaction and their summary statistics, including the coefficient, of variation (CV). We Suggest that the CV can be used to measure the repeatability of genotype x location interactions. A Genstat program that can lie used to perform the required computations is available from the authors upon request.en_US
dc.publisherCambridge University Press (CUP)en_US
dc.rightsCopyrighted; all rights reserveden_US
dc.sourceExperimental Agriculture;42,(2006) Pagination 189 ,198en_US
dc.titleMeasures of repeatability of genotype by location interactions using data from barley trials in Northern Syriaen_US
dc.typeJournal Articleen_US
cg.creator.idSingh, Murari: 0000-0001-5450-0949en_US
cg.contributor.centerInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.funderInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.projectCommunication and Documentation Information Services (CODIS)en_US
cg.contributor.project-lead-instituteInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.coverage.regionWestern Asiaen_US
dc.identifier.statusTimeless limited accessen_US

Files in this item


There are no files associated with this item.

This item appears in the following Collection(s)

Show simple item record

DSpace software copyright © 2002-2016  DuraSpace
MELSpace content providers and partners accept no liability to any consequence resulting from use of the content or data made available in this repository. Users of this content assume full responsibility for compliance with all relevant national or international regulations and legislation.
Theme by 
Atmire NV