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  • 1
    Electronic Resource
    Electronic Resource
    Effects of herbicides on three vesicular-arbuscular fungi associated with winter wheat (Riticum aestivum L.) (1989)
    Springer
    Biology and fertility of soils 7 (1989), S. 113-119 
    Details
    ISSN: 1432-0789
    Keywords: Vesicular-arbuscular mycorrhiza ; Herbicides ; Wheat ; Glomus spp. ; Spore germination ; Root infection ; Triticum aestivum L. ; Bifenox ; Mecoprop ; Difenzoquat methyl sulphate ; Chlortoluron
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary We studied the effects of field application rates of four herbicides (Avenge, Ceridor, Dicurane, and Harrier) on spore germination and infection of wheat roots by three species of Glomus grown under conditions of low P availability. Low concentrations of Ceridor (bifenox, mecoprop) and Harrier (mecoprop, ioxynil, clopyralid) inhibited spore germination while higher concentrations were stimulatory. Avenge (difenzoquat methyl sulphate) prevented spore germination completely, while Dicurane (chlortoluron) had no effect. The herbicide applications had no significant effect on the infection rates of any of the three fungi except Harrier on G. geosporum. The herbicide treatments did, however, affect plant growth and ear yields. Ceridor and Harrier increased ear yields, while Dicurane showed marked phytotoxic effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00292568
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Sulfur accumulation in western wheatgrass exposed to three controlled SO2 concentrations (1979)
    Springer
    Plant and soil 53 (1979), S. 131-136 
    Details
    ISSN: 1573-5036
    Keywords: Air pollution ; Grassland ; Native grass ; Sulfur ; Sulfur dioxide ; Uptake
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Sulfur concentrations of western wheatgrass tillers and individual leaves were measured from plants exposed to four SO2 concentrations (9, 52, 105 and 183 μg·m−3). Sulfur concentration of plants was a linear function of either time of exposure or concentration. Young leaves and the youngest portion of leaves contained less sulfur than their older counterparts irregardless of whether they had or had not been exposed to SO2. Current hypotheses which relate plant sensitivity to amount of sulfur taken up do not apply for western wheatgrass.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02181887
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The interaction of atmospheric and soil sulfur on the sulfur and selenium concentration of range plants (1983)
    Springer
    Plant and soil 72 (1983), S. 117-125 
    Details
    ISSN: 1573-5036
    Keywords: Atmosphere ; Selenium ; Sulfur ; Sulfur dioxide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary A native northern mixed prairie, Montana, U.S.A., was exposed to three controlled levels of sulfur dioxide and subplots fertilized with sulfur and/or selenium. Plant species that accumulated relatively greater quantities of soil sulfur did not necessarily accumulate relatively greater quantities of atmospheric sulfur, andvisa versa. Plant-sulfur concentrations increased with increasing time and level of exposure, but the rate of increase in plant-sulfur concentrations decreased with increasing SO2 concentration. Plants exposed to the high-SO2 concentration tended to have lower sulfur concentrations when growing in the sulfur-or the selenium-fertilized plots. High soil selenium caused a reduction in plant-sulfur content, but a decrease in plant selenium concentration with high soil sulfur could be detected only when comparing plants on the selenium and sulfur plus selenium plots, where high plant selenium concentrations were encountered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02185101
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    Paper (German National Licenses)
    Fulltext
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