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  • 2005-2009
  • 1980-1984  (3)
  • 1980  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Genotype dependent radiosensitivity of autotetraploids in Trigonella foenum-graecum L. (1980)
    Springer
    Theoretical and applied genetics 58 (1980), S. 237-239 
    Details
    ISSN: 1432-2242
    Keywords: Radiosensitivity ; γ-irradiation ; Trigonella foenum-graecum ; Autotetraploids ; Chromosome volume
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Different diploids of Trigonella foenum-graecum L. and their corresponding autotetraploids were seed-treated with 40 krad of γ-rays, and parameters such as germination, survival, growth reduction, pollen fertility, pod setting, etc. were recorded. A stimulation of seed germination due to the irradiation could be observed. Contrary to the general rule that polyploids are more radioresistant than their corresponding diploids, one 4x strain was completely killed while the 2x version survived comparatively well. Apparently gene reduplication is not the overall protective mechanism as was once earlier believed. The importance of genotypic influence on radiosensitivity was demonstrated at both the 2x and 4x level. The limitation of interphase chromosome volume and degree of ploidy in predicting radiosensitivity is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00288443
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Angular correlation measurements of207Bi (1980)
    Springer
    Czechoslovak journal of physics 30 (1980), S. 870-873 
    Details
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Gamma-gamma angular correlation measurements of the 569·65 keV–1063·63 keV cascade in the decay of207Bi were carried out with two NaI (Tl) detectors of size (3″×3″) and (1·5″×1″). Graphical methods of Arns and Wiedenbeck (Phys. Rev.111 (1958), 1631) were applied in determining the mixing ratio of gamma 1063·63 keV transition. The parametric plot was done by the method described by C. F. Colman (Nucl. Phys.5 (1958), 495). The mixing ratio of gamma 1063·63 keV transition was thus found to be $$|\delta | = 0.036_{ - 0.064}^{ + 0.034} .$$ .
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01604671
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Inheritance of resistance to angular leaf spot (Isariopsis griseola Sacc.) in french bean (Phaseolus vulgaris L.) (1980)
    Springer
    Euphytica 29 (1980), S. 175-176 
    Details
    ISSN: 1573-5060
    Keywords: Phaseolus vulgaris ; French bean ; Phaseolus coccineus ; runner bean ; Isariopsis griseola ; angular leaf spot ; resistance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Angular leaf spot (Isariopsis griseola Sacc.) is a serious disease of French bean in the hills of India and 40 to 70 per cent of the green pods are damaged and rendered unmarketable. Crosses were made between PLB 257, (Phaseolus coccineus L.), a red flowering pole tope, resistant to angular leaf spot, and Contender (Phaseolus vulgaris L.), a highly susceptible commercial cultivar. Studies of the F1, F2, and F3 progenies indicated that PLB 257, carries a recessive gene imparting resistance to angular leaf spot.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00037264
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    Paper (German National Licenses)
    Fulltext
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