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  • Electronic Resource  (2)
  • Aphis craccivora Koch  (1)
  • Body fluid  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Body fluid status on induction, reinduction and prolonged stay at high altitude of human volunteers (1990)
    Springer
    International journal of biometeorology 34 (1990), S. 93-97 
    Details
    ISSN: 1432-1254
    Keywords: Body fluid ; High altitude, illness ; Human adaptation ; Blood gas ; Plasma volume
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Notes: Abstract Studies on adaptation to high altitude (HA) of 3500 m in the Himalayas were conducted in three phases, each including 10 normal and healthy males normally resident at sea-level. Phase I subjects had no previous experience of HA, phase II subjects after 4–6 months at HA were airlifted to sea-level and phase III subjects stayed continuously for 6 months at 3500 m. Body fluid compartments and blood gases were determined in all three groups. Plasma volume was highly elevated in the phase II subjects on reinduction to sea-level from HA. In comparison to phase I subjects, the retention of fluid in extracellular compartment was increased at HA leading to increased susceptibility to high altitude illness. Phase III subjects were hyperhydrated with decreased plasma volume and increased PO2 in comparison to the other two groups.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01093454
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Inheritance of resistance to the cowpea aphid in cowpea (1987)
    Springer
    Theoretical and applied genetics 74 (1987), S. 817-819 
    Details
    ISSN: 1432-2242
    Keywords: Aphis craccivora Koch ; Resistance genetics ; Insect resistance ; Vigna unguiculata (L.) Walp
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Inheritance of resistance to cowpea aphid, Aphis craccivora Koch, in three resistant cultivars of cowpea, Vigna unguiculata (L.) Walp, was studied. The parents, F1 and F2 population were grown in an insect-proof screenhouse. Each 3-day-old seedling was infested with 10 apterous adult aphids. Seedling reaction was recorded when the susceptible check was killed. The segregation data revealed that the resistance of ICV11 and TVU310 is governed by single dominant genes. All the F2 seedlings of the cross ICV10xTVU310 were resistant, indicating that they have the same gene for resistance. However, the F2 populations from the crosses ICV10xICV11 and ICV11xTVU310 segregated in a ratio of 15∶1, indicating that the dominant genes in ICV11 and TVU310 are non-allelic and independent of each other. The resistance gene of ICV10 and TVU310 is designated as Ac1 and that of ICV11 as Ac2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00247562
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    Paper (German National Licenses)
    Fulltext
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