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  • 1
    Electronic Resource
    Electronic Resource
    Analytical determination of compound 1080 (sodium fluoroacetate) residues in biological materials (1974)
    Springer
    Bulletin of environmental contamination and toxicology 11 (1974), S. 177-183 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Summary A rapid and accurate method is described to determine toxic organofluorine residues in biological materials. Sample preparation is minimal. The sample is degraded by oxygen combustion, and the liberated inorganic fluoride determined by an ion-specific electrode. The method is specifically designed for the determination of sodium fluoroacetate (Compound 1080), and several of its derivatives with similar physiological action, during vertebrate pest-control programmes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01684601
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Communication between plants: induced resistance in wild tobacco plants following clipping of neighboring sagebrush (2000)
    Springer
    Oecologia 125 (2000), S. 66-71 
    Details
    ISSN: 1432-1939
    Keywords: Key words Plant communication ; Herbivory ; Induced resistance ; Methyl jasmonate ; Plant-insect interactions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  The possibility of communication between plants was proposed nearly 20 years ago, although previous demonstrations have suffered from methodological problems and have not been widely accepted. Here we report the first rigorous, experimental evidence demonstrating that undamaged plants respond to cues released by neighbors to induce higher levels of resistance against herbivores in nature. Sagebrush plants that were clipped in the field released a pulse of an epimer of methyl jasmonate that has been shown to be a volatile signal capable of inducing resistance in wild tobacco. Wild tobacco plants with clipped sagebrush neighbors had increased levels of the putative defensive oxidative enzyme, polyphenol oxidase, relative to control tobacco plants with unclipped sagebrush neighbors. Tobacco plants near clipped sagebrush experienced greatly reduced levels of leaf damage by grasshoppers and cutworms during three field seasons compared to unclipped controls. This result was not caused by an altered light regime experienced by tobacco near clipped neighbors. Barriers to soil contact between tobacco and sagebrush did not reduce the difference in leaf damage although barriers that blocked air contact negated the effect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00008892
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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