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  • 1
    Electronic Resource
    Electronic Resource
    Development of a genetic composite map of Vicia faba using F2 populations derived from trisomic plants (1999)
    Springer
    Theoretical and applied genetics 98 (1999), S. 736-743 
    Details
    ISSN: 1432-2242
    Keywords: Key words Vicia faba ; Genetic map ; Trisomics ; RAPD ; Seed-protein genes ; QTLs
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Seven F2 families of faba bean descendent from plants trisomic for chromosomes 3, 4, 5 and 6 were analyzed for isozyme markers and two of these were also studied for morphological and RAPD markers and seed-protein genes. Linkage analysis revealed 14 linkage groups, 8 of which were unambiguously assigned to specific chromosomes. Several QTLs for seed weight were identified, the most important of which, located on chromosome 6, explained approximately 30% of the total phenotypic variation. Comparison of results from Vicia faba with the maps of the related species Pisum sativum L. and Cicer arietinum L. revealed one possible new case of linkage conservation. A composite linkage analysis based on 42 markers analyzed in this and previous studies, where line Vf 6 was also used as the female parental, allowed the new assignment of previously independent linkage groups and/or markers to specific chromosomes. Thus, the number of linkage groups was reduced to 13, each comprising an increased number of markers. No contradictory results were detected, indicating the suitability of the statistical procedure and methodology used so far in the development of the map of this species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220051129
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  • 2
    Electronic Resource
    Electronic Resource
    Quantitative inheritance and barriers to crossability in Cicer arietinum L. (1979)
    Springer
    Theoretical and applied genetics 55 (1979), S. 5-16 
    Details
    ISSN: 1432-2242
    Keywords: Genetic barriers ; Cicer arietinum ; Diallel analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Three different diallel crosses were studied in Cicer arietinum; two of size 6×6, one within each of the two botanical groups ‘macrosperma’ and ‘microsperma’ of the cultivated subspecies, and one of 9×9 involving lines covering most of the morphological variation of chickpea. Barriers to crossability present neither a botanical nor a geographical pattern, being probably a direct consequence of interactions between genotypes. The genetic systems of twelve quantitative characters were analysed. Full dominance in a negative sense (small values dominant) is shown by leaflet length, width and shape index, rachis length, leaflet density on the rachis and pod length. Full dominance in a positive sense is shown by seeds per pod. Overdominance (in a positive sense) is evident for pods, seeds and yield per plant. Weak reciprocal differences were manifested by pod length, and pods, seeds and yield per plant. The system controlling number of leaflets per leaf is not clear. Dominance of ‘primitive’ over ‘selected’ characters seems to be the rule. As far as the environmental effects have permitted the analysis, no differences in genetic systems were observed between botanical groups.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00282970
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