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dc.contributor.authorPaull, J.-
dc.contributor.authorChalmers, K.-
dc.contributor.authorKarakousis, A.-
dc.contributor.authorKretschmer, J.-
dc.contributor.authorManning, S.-
dc.contributor.authorLangridge, P.-
dc.identifier.citationTheoretical and Applied Genetics: international journal of plant breeding research, 1998; 96(3-4):435-446-
dc.description.abstractRestriction fragment length polymorphisms (RFLPs) have been used to characterise the genetic diversity of wheat (Triticum aestivum) germplasm. One hundred and twenty-four accessions comprising all major Australian wheat varieties and lines important for breeding purposes were assayed for RFLPs with clones of known genetic location and selected to give uniform genome coverage. The objectives of this study were to determine RFLP-based genetic similarity between accessions and to derive associations between agronomically significant traits and RFLP phenotypes. Ninety-eight probes screened against genomic DNA digested with five restriction endonucleases detected a total of 1968 polymorphic fragments. Genetic similarity (GS) calculated from the RFLP data ranged from 0.004 to 0.409 between accessions, with a mean of 0.18. Cluster analysis based on GS estimates produced four groupings that were generally consistent with available pedigree information. Comparisons of the RFLP phenotypes of accessions containing disease resistance genes present on introgressed alien segments enabled the identification of specific alleles characteristic of these regions. Associations were derived for a range of stem-rust, leaf-rust and yellow-rust resistance genes. These results suggest that RFLP analysis can be used for the characterisation and grouping of elite breeding material of wheat and RFLP profiling can identify chromosome segments associated with agronomic traits.-
dc.titleGenetic diversity in Australian wheat varieties and breeding material based on RFLP data-
dc.typeJournal article-
dc.identifier.orcidPaull, J. [0000-0003-0371-524X]-
dc.identifier.orcidChalmers, K. [0000-0002-9687-8680]-
dc.identifier.orcidLangridge, P. [0000-0001-9494-400X]-
Appears in Collections:Agriculture, Food and Wine publications
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