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  • AIR TRANSPORTATION AND SAFETY  (1)
  • rose genetics  (1)
  • 1980-1984  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Breeding for anthocyanin colors in Rosa (1983)
    Springer
    Euphytica 32 (1983), S. 205-216 
    Details
    ISSN: 1573-5060
    Keywords: Rosa ; rose genetics ; flower pigments ; paper chromatography ; anthocyanin ; cyanin ; peonin ; pelargonin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary In breeding for color and winter hardiness in Rosa, more than 1200 progeny from 47 families were analyzed for anthocyanin pigments. Cyanin, peonin and pelargonin were found in 99%, 52% and 31% respectively, of the seedlings. Each pigment was highly heritable from seed or pollen parents or both. All showed quantitative inheritance, particularly cyanin and peonin. A system is proposed to explain most of the synthetic pathways and controls for anthocyanin production in roses.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00036881
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Magnitude and frequency of wind speed shears and associated downdrafts (1981)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: Data are presented indicating the frequency of occurrence of wind shear and downdrafts together with information on the simultaneous occurrence of these two phenomena. High resolution wind profile measurements recorded at a 150 meter ground winds tower facility were used for the analysis. From instantaneous measurements during horizontal wind speeds of gale-force and below intensity, vertical motion at the 10, 60, and 150 m levels was approximately 60 percent downward and 40 percent upward. At the 18 level the percentages were reversed. Updraft maxima were an order of magnitude or two greater than downdrafts at all levels. Frequency of vertical motion or = 9.7 kts for a year at four levels was 338 occurrences upward and 274 downward. Approximately 90 percent of these updrafts occurred at the 18 m level almost equally during summer and winter, and 65 percent of the downdrafts were at the 150 m level during summer.
    Keywords: AIR TRANSPORTATION AND SAFETY
    Type: NASA. Langley Research Center The 1980 Aircraft Safety and Operating Probl., Pt. 1; p 373-383
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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