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  • Leptomonas samueli  (2)
  • Ubbelohde viscometer  (2)
  • ethanol  (2)
  • Springer  (6)
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  • Springer  (6)
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  • 1
    Electronic Resource
    Electronic Resource
    Effect of kind and method of fungicidal treatment of bean seed on infections by the VA-mycorrhizal fungus Glomus macrocarpum and by the pathogenic fungus Fusarium solani (1991)
    Springer
    Plant and soil 132 (1991), S. 41-46 
    Details
    ISSN: 1573-5036
    Keywords: benomyl ; captan ; dichloromethane ; ethanol ; fresh root weight ; top dry weight ; fungicidal seed treatment ; Fusarium solani ; Glomus macrocarpum ; Phaseolus vulgaris
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract To test the effect of seed treatment with fungicides on the development of mycorrhizal fungi, bean seeds were treated with fungicide dry or vehicled in the organic solvents, ethanol or dichloromethane and then planted in soil inoculated with the mycorrhizal fungus Glomus macrocarpum and/or the plant pathogenic fungus Fusarium solani. Measurements were made at 4 day intervals, to assess the presence of mycorrhizae or disease in the roots as well as top dry weight, root fresh weight and root length. Fungicidal seed treatment did not affect the initial occurrence of mycorrhizae, number of spores of G. macrocarpum in the soil or root length. Fresh weights of roots and dry weights of tops were greater in the presence of the mycorrhizal fungus. The onslaught of symptoms by F. solani was significantly retarded by treatment with fungicides plus mycorrhizal fungi or fungicides plus organic solvents.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00011010
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of kind and method of fungicidal treatment of bean seed on infections by the VA-mycorrhizal fungus Glomus macrocarpum and by the pathogenic fungus Fusarium solani (1991)
    Springer
    Plant and soil 132 (1991), S. 47-51 
    Details
    ISSN: 1573-5036
    Keywords: benomyl, captan ; dichloromethane ; ethanol ; fungicidal seed treatment ; Fusarium solani ; Glomus macrocarpum ; organic solvents ; Phaseolus vulgaris ; spatial progression ; temporal progression ; VA-mycorrhizas
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract To test the effect of seed treatment with fungicides on the development of mycorrhizal fungi, bean seeds were treated with fungicide dry or vehicled in the organic solvents, ethanol or dichloromethane and then planted in soil inoculated with the mycorrhizal fungus Glomus macrocarpum and/or the plant pathogenic fungus Fusarium solani. Measurements were made at 4 day intervals, to evaluate the location and extent of colonization of either Glomus macrocarpum or Fusarium solani in the root system. Most combinations of fungicide-solvent had little effect on the extent of colonization by each fungus individually. However, when both fungi were inoculated together, symptoms of F. solani were seen only in the tips of roots which indicate that the mycorrhizal fungus was able to limit the occurrence of the pathogenic fungus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00011011
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  • 3
    Electronic Resource
    Electronic Resource
    Surface-tension effects in suspended-level capillary viscometers (1991)
    Springer
    International journal of thermophysics 12 (1991), S. 1013-1028 
    Details
    ISSN: 1572-9567
    Keywords: capillary viscometers ; Ostwald viscometer ; surface tension ; Ubbelohde viscometer ; viscosity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The results of an experimental study of surface-tension effects in kinematic capillary viscometers of the suspended-level type are presented. These results are deduced from a comparison with measurements obtained with a special Ostwald viscometer in which surface-tension effects are negligibly small. It is shown that surface-tension effects in suspended-level viscometers are sensitive to the shape of the capillary exit. Recommendations how to minimize these effects are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00503516
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  • 4
    Electronic Resource
    Electronic Resource
    Viscosity of liquid toluene in the temperature range 25–75°C (1987)
    Springer
    International journal of thermophysics 8 (1987), S. 641-647 
    Details
    ISSN: 1572-9567
    Keywords: Arrhenius equation ; capillary-flow viscometry ; toluene ; Ubbelohde viscometer ; viscosity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract New accurate experimental data are presented for the viscosity of liquid toluene. The viscosity was measured relative to the viscosity of liquid water with the aid of an Ubbelohde capillary viscometer. The data cover a temperature range from approximately 25 to 75°C and are represented with high precision by an Arrhenius equation
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00500784
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  • 5
    Electronic Resource
    Electronic Resource
    Fine structure study ofLeptomonas samueli by the freeze-fracture technique (1980)
    Springer
    Parasitology research 62 (1980), S. 145-157 
    Details
    ISSN: 1432-1955
    Keywords: Leptomonas samueli ; Protozoa ; Cell membrane ; Freeze-fracture ; Particle density
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The ultrastructure of promastigotes ofLeptomonas samueli was studied by the freeze-fracture technique. Both the P and E faces of the plasma membrane ofL. samueli have intramembranous particles. However, the particle density was higher in the E than in the P face. The P face of the flagellar membrane had few particles whereas abundant flat membrane particles were evident on the E face. An arrangement of particles indicating membrane specializations was seen on the flagellar membrane and on the membrane lining the flagellar pocket. Cellular structures such as the nucleus, peroxisomes, the mitochondrion, and microtubules were also studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00927860
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  • 6
    Electronic Resource
    Electronic Resource
    An electron microscopic and cytochemical study ofLeptomonas samueli (1980)
    Springer
    Parasitology research 62 (1980), S. 127-143 
    Details
    ISSN: 1432-1955
    Keywords: Leptomonas samueli ; Scanning Electron Microscopy ; Cytochemistry ; Basic proteins ; Carbohydrates ; Morphometry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The fine structure of promastigotes ofLeptomonas samueli is described. This protozoan revealed several features in common with other trypanosomatids. A large membrane-bound cavity containing many vesicles was observed near the nucleus. Pinocytotic vesicles were seen arising from the membrane lining the flagellar pocket. They are associated with some microtubules which originate in the flagellar pocket region and extend toward the multivesicular structure. Morphometric analysis made on electron micrographs showed a mitochondrial relative volume of 0.11 and a peroxisome relative volume of 0.08. Determination of the number of sub-pellicular microtubules in different regions of the protozoon body show that the largest number is found in the region containing the Golgi complex. Carbohydrates were detected using the periodic-acid-thiosemicarbazide-silver proteinate technique. Reaction products were seen in the plasma membrane, in the membrane of the Golgi complex, and in the membranes which form the multivesicular structure. Two cytochemical methods were used to locate basic proteins. Using the ammoniacal silver method reaction products were seen only in the nucleus. With the ethanolic phosphotungstic acid method reaction products were seen in the microtubules which form the flagellum, in the peroxisome-like organelle, and at the region of adhesion of the flagellum to the cell body.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00927859
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