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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 22 (1973), S. 0 
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The development of powdery mildew of barley was studied during May and June in 1971 and 1972. Spore trapping data, and experiments involving the exposure of mildew-free plants in a barley crop, established that periods when there was a high incidence of infection, with subsequent disease development, generally coincided with days on which large numbers of Erysiphe conidia were trapped above the crop. Meteorological criteria are described which have detected high risk infection periods for the two years under consideration.
    Type of Medium: Electronic Resource
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