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  • 1
    Electronic Resource
    Electronic Resource
    Wolf-Rayet Stars (1987)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Astronomy and Astrophysics 25 (1987), S. 113-150 
    Details
    ISSN: 0066-4146
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.aa.25.090187.000553
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  • 2
    Electronic Resource
    Electronic Resource
    Organochlorine Pesticides in the Atmosphere (1966)
    [s.l.] : Nature Publishing Group
    Nature 211 (1966), S. 259-261 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE problems introduced by the pollution of our atmospheric environment have been concerned largely with those pollutants the effects and presence of which are readily demonstrated, for example, smog, sulphur dioxide, sooty materials and dusts. More recently, attention has been directed to the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/211259a0
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  • 3
    Electronic Resource
    Electronic Resource
    Organochlorine Pesticides in the Atmospheric Environment (1965)
    [s.l.] : Nature Publishing Group
    Nature 208 (1965), S. 1317-1318 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Little practical work seems to have been undertaken to determine pesticide residues in the atmospheric environment, but in the United Kingdom, Wheatley and Hardman4 recently reported indications of the presence of organochlorine insecticides in rainwater collected in an agricultural area at ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2081317a0
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  • 4
    Electronic Resource
    Electronic Resource
    A novel barley scald resistance gene: genetic mapping of the Rrs15 scald resistance gene derived from wild barley, Hordeum vulgare ssp. spontaneum (2005)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 124 (2005), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Most genes for resistance to barley leaf scald map either to the Rrs1 locus on the long arm of chromosome 3H, or the Rrs2 locus on the short arm of chromosome 7H. Other loci containing scald resistance genes have previously been identified using lines derived from wild barley, Hordeum vulgare ssp. spontaneum. A single dominant gene conditioning resistance to scald was identified in a third backcross (BC3F3) line derived from an Israeli accession of wild barley. The resistance gene is linked to three microsatellite markers that map to the long arm of chromosome 7H; the closest of these loci, HVM49, maps 11.5 cM from the resistance gene. As no other scald resistance genes have been mapped to this chromosome arm, it is considered to be a novel scald resistance locus. As the Acp2 isozyme locus is linked to this scald resistance locus, at 17.7 cM, Acp2 is assigned to chromosome 7H. Molecular markers linked to the novel scald resistance gene, designated Rrs15, can be used in breeding for scald resistance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.2005.01085.x
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  • 5
    Electronic Resource
    Electronic Resource
    Mapping of Malt Endopeptidase, NADH Diaphorase and Esterase Loci on Barley Chromosome 3L (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 112 (1994), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Isoelectric focusing (IEF) and immunoblotting were used to detect genetic variants of malt endopeptidase (MEP1), an enzyme related to malting quality in barley and coded by the CepB locus on barley chromosome 3 (= 3H). A variant was found in a Turkish accession of wild barley (Hordeum vulgare ssp. spontaneum). The self progeny of a hybrid between this accession and the barley cultivar ‘Clipper’ were analyzed for recombination between the CepB locus and other isozyme loci. The estimates of recombination linked the CepB locus to an NADH diaphorase locus (Ndh2), which in turn was linked to the seedling esterase complex (Est1, Est2, and Est4) situated near the distal end of the long arm of chromosome 3. The Ndh2 locus was independent of two other NADH dehydrogenase loci (Ndh3, Ndh5) which were mapped on barley chromosome 5 (= 1H) in relation to the three hordein loci (Hor1, Hor2, and Hor3).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.1994.tb00685.x
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  • 6
    Electronic Resource
    Electronic Resource
    Gel Filtration of the Water-Soluble Protein Fraction of Wheat Flour (1966)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 31 (1966), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The usefulness of gel filtration through cross-linked dextrans as a means of separating protein components in the water extracts of flour was investigated. Dextrans employed included Sephadex G-25, G-50, G-75, G-100, and G-200, while distilled water and several concentrations of lactic acid were used as eluting solvents. The most effective combination was Sephadex G-100 gel with 0.5N lactic acid as eluant. Although single protein components could not be isolated by this technique, it was possible to effect a simplification of the protein mixture and a concentration of some components in relatively small fractions of the eluate from gel columns. The combination of gel filtration and preparative starch-gel electrophoresis was utilized to isolate a fraction which migrated electrophoretically as a single component.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1966.tb15412.x
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  • 7
    Electronic Resource
    Electronic Resource
    The effect of combining scald resistance genes on disease levels, yield and quality traits in barley (1996)
    Springer
    Theoretical and applied genetics 93 (1996), S. 361-366 
    Details
    ISSN: 1432-2242
    Keywords: Pyramiding ; Hordeum vulgare ssp ; spontaneum ; Rhynchosporium secalis ; Backcross lines ; Isozyme marker genes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Pairwise combinations of genes for resistance to scald in barley were developed using linked isozyme markers to test whether such combinations conferred improved resistance to the pathogen, Rhynchosporium secalis. The resistance genes originally derived from Hordeum vulgare ssp. spontaneum. The combinations were bred into an essentially similar genetic background because the scald-susceptible, Australian barley cultivar ‘Clipper’ was the recurrent backcross parent in their ancestry. In field tests of the recombinants over 2 years, disease levels were lower in three of six doubly resistant lines than in backcross lines carrying a single resistance gene, which in turn were less diseased than either ‘Clipper’ or recombinants that lacked the marked resistance genes. All resistant lines significantly outyielded ‘Clipper’ but did not themselves differ significantly. Lines resistant to scald had significantly higher grain size and grain weight. Gains for malt yield of about 1 % were detected in the higher disease environment. Resistance was not accompanied by any obvious “cost” in terms of yield or quality. Protection against scald is therefore a significant requirement for new malting barley cultivars in scald-prone areas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00223177
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  • 8
    Electronic Resource
    Electronic Resource
    The effect of combining scald resistance genes on disease levels, yield and quality traits in barley (1996)
    Springer
    Theoretical and applied genetics 93 (1996), S. 361-366 
    Details
    ISSN: 1432-2242
    Keywords: Key words Pyramiding  ;  Hordeum vulgare ssp. spontaneum  ;  Rhynchosporium secalis  ;  Backcross lines  ;   Isozyme marker genes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Pairwise combinations of genes for resistance to scald in barley were developed using linked isozyme markers to test whether such combinations conferred improved resistance to the pathogen, Rhynchosporium secalis. The resistance genes originally derived from Hordeum vulgare ssp. spontaneum. The combinations were bred into an essentially similar genetic background because the scald-susceptible, Australian barley cultivar ‘Clipper’ was the recurrent backcross parent in their ancestry. In field tests of the recombinants over 2 years, disease levels were lower in three of six doubly resistant lines than in backcross lines carrying a single resistance gene, which in turn were less diseased than either ‘Clipper’ or recombinants that lacked the marked resistance genes. All resistant lines significantly outyielded ‘Clipper’ but did not themselves differ significantly. Lines resistant to scald had significantly higher grain size and grain weight. Gains for malt yield of about 1% were detected in the higher disease environment. Resistance was not accompanied by any obvious “cost” in terms of yield or quality. Protection against scald is therefore a significant requirement for new malting barley cultivars in scald-prone areas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220050289
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  • 9
    Electronic Resource
    Electronic Resource
    Genes for scald resistance from wild barley (Hordeum vulgare ssp spontaneum) and their linkage to isozyme markers (1991)
    Springer
    Euphytica 61 (1991), S. 225-231 
    Details
    ISSN: 1573-5060
    Keywords: allozyme markers ; barley ; genetics of resistance ; Hordeum vulgare ; Rhynchosporium secalis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Accessions of Hordeum vulgare ssp. spontaneum, the wild progenitor of barley, collected in Israel (70), Iran (15) and Turkey (6) were screened for seedling response to four isolates of Rhynchosporium secalis, the pathogen causing leaf scald in barley. Resistance was very common in the collection (77%) particularly among accessions from the more mesic sites (90%). The genetics of this resistance were investigated in fifteen backcross (BC3) lines that contained an isozyme variant from H.v. ssp. spontaneum in a H.v. ssp. vulgare (cv. Clipper) background and were resistant to scald. Segregation in the BC3F2 families conformed with a single dominant resistance gene in 9 of the 15 lines. Scald resistance and the isozyme marker were closely linked in three of the BC3-lines, loosely linked in four and unlinked in the remaining eight. Scald resistance genes were identified on barley chromosomes 1, 3, 4 and 6. Crosses between several of the scald resistant BC-lines together with the linkage data indicated that at least five genetically independent resistances are available for combining together for deployment in barley. The linkage of scald resistance in several BC3-lines to the isozyme locus Acp2 is of special interest as this locus is highly polymorphic in wild barley.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00039662
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