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  • 1
    ISSN: 1573-0832
    Keywords: 15-acetyldeoxynivalenol ; Deoxynivalenol ; Fusarium culmorum ; Fusarium graminearum ; Fusarium head blight ; Nivalenol ; Scab
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Wheat cultivars (Stoa, MN87150, SuMai-3, YMI-6, Wheaton) and barley cultivars (Robust, Excel, Chevron, M69) were inoculated in the field with isolates ofFusarium graminearum andF. culmorum. The diseased (Fusarium head blight) kernels were analyzed for deoxynivalenol (DON), 15-acetyldeoxynivalenol (15-ADON) and nivalenol (NIV).F. culmorum produced all three trichothecenes on all cultivars tested whereasF. graminearum only produced DON and 15-ADON. There was no well defined correlation between DON production in the host and resistance although the data tended to favor SuMai-3 as having definitive resistance to bothF. graminearum andF. culmorum.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-5036
    Keywords: Agropyron spicatum ; Artemisia tridentata ; Competition ; Dicot ; Grass tetany ; Monocot ; Rangelands ; Root CEC ; Soil CEC
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Root cation-exchange capacities (CEC) are related to tissue nutrient content of several native Utah range plants. The root CEC values for dicotyledonous species were found to be significantly larger than for monocotyledonous species (grasses). The relative amounts of monovalent and divalent cations taken up are strongly correlated with root CEC. Dicot species tend to take up divalent ions more efficiently than monocots, but monocots take up relatively more monovalent cations than dicots. The relationship of root CEC to cation uptake helps explain differential distribution of grass lands and shrublands in common climatic zones and has important implications for range revegetation programs.
    Type of Medium: Electronic Resource
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