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  • 1
    Electronic Resource
    Electronic Resource
    Thein vitro effect of some pesticides on the nitrogen fixing bacteria isolated from the phyllosphere of some crop plants (1984)
    Springer
    Plant and soil 80 (1984), S. 215-225 
    Details
    ISSN: 1573-5036
    Keywords: Diazotrophs ; Nitrogen fixing bacteria ; Pesticides ; Phyllosphere
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Thein vitro effects of twelve commonly used pesticides, including the fungicides Cuman-L (Ziram) and Hinosan (Ediphenphos), the acaricides Nuvacron (Monocrotophos), Ekatin 25EC (Thiometon) and Ekalux-G5 (Quinalphos) and other insecticides namely Dimecron (Phosphamidon), Anthio 25EC (Formothion), Baytex (Fenthion), Metasystox (Methyl demeton) and Phosalone (Zolone), on the nitrogen fixing bacteria isolated from the phyllosphere of some crop plants were tested. A very wide variation of the effect of these pesticides on the different organisms was noted. At a concentration of 700 μg/ml in the medium, most of the pesticides completely inhibited growth of the nitrogen fixing bacterial isolates. However, with some pesticides, when used at a lower concentration, a degree of growth stimulation was recorded.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02161177
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of spraying nitrogen-fixing phyllospheric bacterial isolates on wheat plants (1981)
    Springer
    Plant and soil 61 (1981), S. 419-427 
    Details
    ISSN: 1573-5036
    Keywords: Bacterial spray ; Biofertilisers ; Diazotrophs ; Nitrogen fertiliser ; Phyllosphere ; Wheat yield
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Culture of two nitrogen-fixing bacteria (REN2 and JN1) isolated from rice and jute phyllospheres respectively, were sprayed on wheat plants as substitute for nitrogenous fertilisers. There was a marked improvement in yield and growth of the plants. An average increase in yield by 70% was obtained which was very near to that obtained by fertilizer treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02182022
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Antimicrobial screening of essential oils and extracts of someHumulus lupulus L. cultivars (1992)
    Springer
    Pharmacy world & science 14 (1992), S. 353-356 
    Details
    ISSN: 1573-739X
    Keywords: Agar overlay technique ; Antibiotics ; Drug screening ; Essential oil ; Humulus lupulus L.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The essential oils as well as solvent extracts of 11 hop cultivars, 1 hop variety and a wild type of hop were screened for their antimicrobial activities using the agar overlay technique. The oils were isolated from the cones of the various hop plants by hydrodistillation, the extracts were obtained by soaking the hop cones in chloroform. The oils and the extracts showed activity against the Gram-positive bacteria (Bacillus subtilis andStaphylococcus aureus) and the fungus (Trichophyton mentagrophytes var.interdigitale), but almost no activity against the Gram-negative bacterium (Escherichia coli) and the yeast (Candida albicans) used in the screening. The peak area percentages of the main volatile components and the contents of the bitter acids of the extracts were determined for all cultivars using chromatographic methods.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01970171
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    Paper (German National Licenses)
    Fulltext
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