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  • 1
    Electronic Resource
    Electronic Resource
    Genetics of resistance to Puccinia graminis tritici in ‘Chris’ and ‘W3746’ wheats (1987)
    Springer
    Theoretical and applied genetics 73 (1987), S. 846-855 
    Details
    ISSN: 1432-2242
    Keywords: Puccinia graminis tritici ; Triticum aestivum ; Monosomic analysis ; Rust resistance ; Gene identification
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary ‘Chris’ wheat possessed genes Sr5, Sr7a, Sr8a, Sr9g and Sr12. ‘W3746’, derived from the cross ‘Chris’/‘Baart’, possessed Sr7a and Sr12. The response conferred by Sr7a was influenced by the genetic background. Although Sr7a or Sr12 alone conferred no observable resistance upon adult plants, the adult resistances of ‘Chris’ and ‘W3746’ to predominant pathotypes appeared to be associated with the interaction of Sr7a and Sr12, or genes at closely linked loci.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00289389
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Genetics of resistance toPuccinia graminis tritici andPuccinia recondite tritici in four South African wheats (1990)
    Springer
    Theoretical and applied genetics 79 (1990), S. 401-410 
    Details
    ISSN: 1432-2242
    Keywords: Puccinia graminis tritici ; Puccinia recondita Tritici ; Triticum aestivum ; Rust resistance ; Gene identification
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Genes for resistance toPuccinia graminis tritici andPuccinia recondita tritici identified in four South African wheats were:Sr6,Sr8a,Sr9e, andLr13 in ‘W3762’;Sr5,Sr8a,Sr9b,Sr12,Sr24,Lr13, andLr24 in ‘W3760’;Sr2,Sr24,SrC,Lr13, andLr24 in ‘W3751’; andSr7a,Sr23,Sr36, andLr16 in ‘W3755’. GenesSr2,Sr9e, andSr24 also conferred adult plant resistance to the predominant pathotypes ofP. graminis tritici. GenesSr7a,Sr23, andSrC, when present alone, did not confer acceptable adult plant resistance, even though low seedling reactions were associated with them when tested with the same pathotypes. Genetic recombination betweenLr13 andSr9e was estimated at 12.5%±2.3%.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01186086
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Linkage mapping of genes for resistance to leaf, stem and stripe rusts and ω-secalins on the short arm of rye chromosome 1R (1990)
    Springer
    Theoretical and applied genetics 80 (1990), S. 609-616 
    Details
    ISSN: 1432-2242
    Keywords: Rye ; Secalins ; Rust resistance ; Stem rust ; Leaf rust ; Stripe/yellow rust ; Linkage mapping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The genes controlling resistance to three wheat rusts, viz., leaf rust (Lr26), stem rust (Sr31) and stripe or yellow rust (Yr9), and ω-secalins (Sec1), located on the short arm of rye chromosome 1R, were mapped with respect to each other and the centromere. Analysis of 214 seeds (or families derived from them) from testcrosses between a 1BL.1RS/1R heterozygote and ‘Chinese Spring’ ditelocentric 1BL showed no recombination between the genes for resistance to the three rusts, suggesting very tight linkage or perhaps a single complex locus conferring resistance to the three rusts. The rust resistance genes were located 5.4 ± 1.7 cM from the Sec1 locus, which in turn was located 26.1 ± 4.3 cM from the centromere; the gene order being centromere — Sec1 — Lr26/Sr31/Yr9 — telomere. In a second test-cross, using a different 1BL.1RS translocation which had only stem rust resistance (SrR), the above gene order was confirmed despite a very large proportion of aneuploids (45.8%) among the progeny. Furthermore, a map distance of 16.0 ± 4.8 cM was estimated for SrR and the telomeric heterochromatin (C-band) on 1RS. These results suggest that a very small segment of 1RS chromatin is required to maintain resistance to all three wheat rusts. It should be possible but difficult to separate the rust resistance genes from the secalin gene(s), which are thought to contribute to dough stickiness of wheat-rye translocation lines carrying 1RS.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00224219
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    A storage-protein marker associated with the suppressor of Pm8 for powdery mildew resistance in wheat (1996)
    Springer
    Theoretical and applied genetics 93 (1996), S. 1054-1060 
    Details
    ISSN: 1432-2242
    Keywords: Key wordsTriticum aestivum ; Rye ; Secale cereale ; 1BL.1RS translocation ; 1AL.1RS translocation ; Gliadin ; Electrophoresis ; Erysiphe graminis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A suppressor of resistance to powdery mildew conferred by Pm8 showed complete association with the presence of a storage-protein marker resolved by electrophoresis on SDS-PAGE gels. This marker was identified as the product of the gliadin allele Gli-A1a. The mildew-response phenotypes of wheats possessing the 1BL.1RS translocation were completely predictable from electrophoretograms. The suppressor, designated SuPm8, was located on chromosome 1AS. It was specific in its suppression of Pm8, and did not affect the rye-derived resistance phenotypes of wheat lines with Pm17, also located in 1RS, or of lines with Pm7.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220050334
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    A storage-protein marker associated with the suppressor of Pm8 for powdery mildew resistance in wheat (1996)
    Springer
    Theoretical and applied genetics 93 (1996), S. 1054-1060 
    Details
    ISSN: 1432-2242
    Keywords: Triticum aestivum ; Rye ; Secale cereale ; 1BL.1RS translocation ; 1AL.1RS translocation ; Gliadin, Electrophoresis ; Erysiphe graminis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A suppressor of resistance to powdery mildew conferred by Pm8 showed complete association with the presence of a storage-protein marker resolved by electrophoresis on SDS-PAGE gels. This marker was identified as the product of the gliadin allele Gli-A1a. The mildewresponse phenotypes of wheats possessing the 1BL.1RS translocation were completely predictable from electrophoretograms. The suppressor, designated SuPm8, was located on chromosome 1AS. It was specific in its suppression of Pm8, and did not affect the rye-derived resistance phenotypes of wheat lines with Pm17, also located in 1RS, or of lines with Pm7.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00230124
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    Paper (German National Licenses)
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