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  • 1
    Digitale Medien
    Digitale Medien
    Detection of quantitative trait loci on chromosome 5R of rye (Secale cereale L.) (1999)
    Springer
    Theoretical and applied genetics 98 (1999), S. 1087-1090 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Key words Quantitative trait loci ; Genetic mapping ; RFLP ; Agronomic characters ; Secale cereale L.
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract  Progenies of an F2 mapping population were analyzed for quantitative traits to detect QTLs by using marker information from F2 plants for chromosome 5R. The mapping population was segregating for the major dwarfing gene Ddw1 and the gene Hp1 for hairy peduncle. The only QTL determining plant height was located between HP1 and Ddw1 on the distal part of chromosome 5RL. At the same position a QTL for peduncle length was found, and this trait was closely related to plant height (r=0.895). Since Hp1 and Ddw1 are dominant marker loci, no dominance effect could be estimated. The QTLs for spike length and the number of florets were located near the centromere on 5RL. These two traits were correlated with r=0.824 and showed partial dominance, but these traits were not correlated to plant height and peduncle length. Homoeologous relationships between the QTLs mapped for the first time in rye and those mapped in other Triticeae members are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s001220051171
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    A genetic linkage map of rye (Secale cereale L.) (1998)
    Springer
    Theoretical and applied genetics 96 (1998), S. 203-208 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Key words Genetic mapping ; Reciprocal crosses ; RFLP ; Rye ; Secale cereale L.
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract  A genetic linkage map of rye composed of 91 loci (88 RFLP, two morphological and one isozyme markers) has been developed using two reciprocal crosses. The RFLP loci covering all seven chromosomes were detected by a selection of rye, wheat, barley and oat cDNA and genomic DNA probes. The level of polymorphism was dependent on the source of the clones, with a ranking of rye〉wheat〉barley〉oat. Distorted segregations were detected in linkage groups of chromosomes 1R, 4R, 5R and 7R. When the recombination of the two reciprocal crosses was compared, no systematic increase or decrease in one or the other direction was observed suggesting that a combination of populations of reciprocal crosses is possible.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s001220050728
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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