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  • 1
    Electronic Resource
    Electronic Resource
    Overcoming dormancy in seeds with ethanol and other anesthetics (1979)
    Springer
    Planta 145 (1979), S. 507-510 
    Details
    ISSN: 1432-2048
    Keywords: Anesthetics ; Dormancy (seeds) ; Ethanol ; Germination (seeds) ; Membranes ; Panicum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Dormancy in fall panicum (Panicum dichotomiflorum Michx.) caryopses (seeds) is overcome by imbibition at 35° C in ethanol solutions. Whereas germination in the absence of ethanol depends on active phytochrome, the seeds may germinate in darkness after treatment with 0.2 to 0.5 M ethanol. Ethanol overcomes dormancy also in seeds of several other weedy grass species. Ethyl ether, chloroform, methanol, and acetone act similarly to ethanol. We suggest that this action depends on modifyng the properties of a membrane(s) in a manner related to the actions of other anesthetics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00380106
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Reversal by pressure of seed germination promoted by anesthetics (1980)
    Springer
    Planta 149 (1980), S. 108-111 
    Details
    ISSN: 1432-2048
    Keywords: Anesthetics ; Cell membranes ; Dormancy (seeds) ; Membranes ; Panicum ; Pressure ; Seed germination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Germination of Panicum capillare L. caryopses induced by solutions of ethanol and ethyl ether was prevented by application of pressure 〉1 MPa during the period of exposure to the anesthetic. This effect of pressure indicates that germination is correlated with expansion at a site of anesthetic action in a cell membrane. The effects of several other anesthetics were measured on germination of P. capillare seeds. Ethanol, chloroform, and ethyl ether had the highest activity. Methanol and isopropanol were inactive. The effective compounds are thought to distribute preferentially to lipid-solution interfaces in cell membranes of the seeds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00380869
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    Paper (German National Licenses)
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