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  • computer graphics  (1)
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    Electronic Resource
    Electronic Resource
    Springer
    European journal of plant pathology 92 (1986), S. 107-113 
    ISSN: 1573-8469
    Keywords: Peronospora farinosa ; computer graphics ; epidemic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Samenvatting De ontwikkeling van valse meeldauw op spinazie (Peronospora farinosa f. sp.spinaciae) werd geanalyseerd aan de hand van drie-dimensionale grafische voorstellingen, waarbij percentage ziek bladoppervlak per bladetage werd uitgezet tegen tijd. Onderscheid werd gemaakt tussen de ontwikkeling vanuit een puntbron en vanuit een oppervlaktebron, bij inoculatie in drie groeistadia van het gewas. Het bleek dat hierbij meer informatie kon worden verkregen over het verloop van de ziekte-ontwikkeling op de bovenste bladetages, omdat het eerste echte bladpaar langduriger en heviger sporuleert, en zo de ziekte-ontwikkeling op de overige bladetages maskeert.
    Notes: Abstract The development of downy mildew on spinach (Peronospora farinosa f. sp.spinaciae) was stratified according to leaf layers and represented in three-dimensional computer graphics, in which percentage diseased leaf area was plotted against time for each leaf layer. Distinction was made between a point source and an area source. Inoculations were made at three growth stages of the crop. More information could be gathered on the course of disease development on the upper leaf layers, for the first true leaf pair sporulates longer and more intensively, masking the disease development on the other leaf layers in this way.
    Type of Medium: Electronic Resource
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