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  • 1
    Electronic Resource
    Electronic Resource
    The effect of specific and non-specific resistance in mixtures of barley or genotypes on infection by mildew (Erysiphe graminis f. sp. hordei) and on yield (1991)
    Springer
    Euphytica 59 (1991), S. 73-81 
    Details
    ISSN: 1573-5060
    Keywords: Multivar ; barley ; mildew ; cultivar mixtures ; polygenic partial ; quantitative resistance ; competition ; yield
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Preliminary field trials indicated that the yields of mixtures of barley cultivars partially resistant to mildew (Erysiphe graminis f. sp. hordei) were greater than those expected from the mean of their components. Subsequent trials in 1988, 1989 and 1990 demonstrated that such mixtures gave enhanced yield. However, fungicide treatment of mixtures gave significant positive and negative effects on yield. In mixtures with cultivars containing partial resistance there was evidence of a positive relationship between high yield loss due to mildew (low disease tolerance) in cultivars grown in monoculture and their yield advantage in mixtures. The converse resulted in yield disadvantage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00025363
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Detection of tolerance of barley cultivars to infection by powdery mildew (Erysiphe graminis f.sp. hordei) (1994)
    Springer
    Euphytica 75 (1994), S. 179-187 
    Details
    ISSN: 1573-5060
    Keywords: Tolerance ; barley ; powdery mildew ; yield ; Hordeum vulgare ; Erysiphe graminis hordei
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Barley genotypes representing a wide range of resistance expressions and origins, from major resistance genes in modern cultivars to field resistances in landraces, were assessed for tolerance to disease under glasshouse and field conditions. A few genotypes were picked out as showing less yield loss than would be expected from the level of mildew infection. Genotypes showing more than the expected yield loss were also found. The potential use of tolerance as a breeding character is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00025602
    Location Call Number Limitation Availability
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    Paper (German National Licenses)
    Fulltext
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