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  • 1985-1989  (4)
  • Densesuspension  (2)
  • tomato  (2)
  • Lycopersicon esculentum
  • 1
    Electronic Resource
    Electronic Resource
    High salt tolerance potential in Lycopersicon species during germination (1986)
    Springer
    Euphytica 35 (1986), S. 575-582 
    Details
    ISSN: 1573-5060
    Keywords: Lycopersicon ; tomato ; salinity ; germination ; germplasm ; breeding ; salt-tolerance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The potential to improve seed germination responses to salinity was evaluated for 13 accessions representing six wild Lycopersicon species and 20 accessions of L. esculentum. Germination response times increased in all accessions at 100 mM NaCl. Analysis indicated that one accession of L. peruvianum (PI126435) germinated faster under high salinity than all other accessions and was closely followed by L. pennellii (LA716). The fastest germinating L. esculentum accession, PI174263, ranked third. Additional wild ecotypes exhibiting rapid germination at 100 mM NaCl were identified among L. pimpinellifolium and L. peruvianum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00021866
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A greenhouse screening method forPyrenochaeta lycopersici resistance in tomatoes (1989)
    Springer
    Euphytica 40 (1989), S. 187-191 
    Details
    ISSN: 1573-5060
    Keywords: Lycopersicon esculentum ; tomato ; Pyrenochaeta lycopersici ; corky root ; brown root rot ; resistance ; greenhouse screening method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary A greenhouse screening method for corky root (Pyrenochaeta lycopersici) resistance in the tomato (Lycopersicon esculentum) is described in detail. In determining the reliability of the method, known resistance sources within wild asccessions, commerical cultivars and breeding lines were evaluated for resistance in fields naturally infested with corky root and their response compared under greenhouse conditions in soil heavily infested with corky root and artifically maintained at temperatures between 10–13°C. The procedure developed can be used year round and improves the efficiency of recovering resistant progeny in large segregrating populations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00024510
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Effect of solids concentration in dense suspensions of silica-iron(III) oxide and water (1988)
    Springer
    Rheologica acta 27 (1988), S. 197-201 
    Details
    ISSN: 1435-1528
    Keywords: Densesuspension ; power-lawflow ; entropy ; iron oxide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Abstract The rheological properties of dense suspensions, of silica, iron (III) oxide and water, were studied over a range of solids concentrations using a viscometer, which was modified so as to prevent settling of the solid components. Over the conditions studied, the material behaved according to power—law flow relationships. As the concentrations of silica and iron(III) oxide were increased, an entropy term in the flow equation was identified which had a silica dependent and an iron (III) oxide dependent component. This was attributed to a tendency to order into some form of structural regularity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01331905
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Flow mechanisms in dense silica-metal oxide-water suspensions (1988)
    Springer
    Rheologica acta 27 (1988), S. 76-81 
    Details
    ISSN: 1435-1528
    Keywords: Densesuspension ; metal oxide ; silica ; settling ; plasticflow
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Abstract The rheological properties of dense silica in water suspensions (approx. 50% solids by volume) containing additions of metal oxides were examined. Metal oxides used were ferric, zinc and stannic. To prevent settling, testing was performed in a rheometer which was modified to provide for continual stirring of the materials. Relatively small oxide additions had the effect of thickening the mixtures and making them non-Newtonian. Different rate-limiting steps for flow were identified depending on the particular mixture, testing temperature and shear strain rate. Flow could be described using empirical equations which are identical to those often used to describe plastic flow in solid crystalline materials.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01372453
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    Paper (German National Licenses)
    Fulltext
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