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  • 1
    Electronic Resource
    Electronic Resource
    Mechanisms of Herbicide Action (1963)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Plant Physiology 14 (1963), S. 353-384 
    Details
    ISSN: 0066-4294
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.pp.14.060163.002033
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Ultrastructural effects of formulated picloram on leaflets of velvet mesquite and catclaw acacia (1979)
    Oxford, UK : Blackwell Publishing Ltd
    Weed research 19 (1979), S. 0 
    Details
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The effects of picloram formulated with a nonionic surfactant (X-77) and of the surfactant alone on the ultrastructure of leaf cells of velvet mesquite (Prosopis velutina Woot.) and catclaw [Acacia greggii var. ariznica (Gray) Isely] were examined The surfactant induced temporary protrusions from chloroplasts in both species. A proliferation of rough endoplasmic reticulum (RER) was noted in velvet mesquite within 8h of application of the herbicide and in catclaw with in 27 h. By 72h after treatment. both species exhibited distortions of organelles with more severe symptoms in catclaw. the species more sensitive to the herbicide Leaf abscission occurred subsequently and was more pronounced in catclaw than in mesquitel It is known that RER proliferation is induced by ethylene and that ethylene evolution is stimulated by picloram. The present study suggests that the interaction between these two chemicals was similar in the two plant species studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3180.1979.tb01531.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Detection of Fresh and Fossil Pollen with Fluorochromes (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 315-316 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We examined samples of surface soil from the Sonoran Desert on Tumamoc Hill near Tucson, Arizona. Among the fluorescing types of pollen encountered were Larrea, Pinus, Prosopis, and Cactaceae. When moistened and placed under a coverslip even unstained soil samples revealed pollen. Evidently certain ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/202315a0
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    Paper (German National Licenses)
    Fulltext
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