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  • Automatic control  (1)
  • Multigene family  (1)
  • 1990-1994  (2)
  • 1910-1914
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical and applied genetics 85 (1993), S. 713-718 
    ISSN: 1432-2242
    Keywords: Barley ; Multigene family ; Mla locus ; Recombination ; RFLP marker
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The complex structure of the multigene family at the Mla locus conferring powdery mildew resistance in barley was studied by making diallel crosses between several near-isogenic lines carrying different Mla alleles. The mode of inheritance of the Mla alleles investigated was determined to be dominant for Mla1, Mla6, Mla7 and Mla13 and semidominant for Mla3, Mla12 and Mla20. F1 plants were backcrossed to the susceptible recurrent parent in order to identify susceptible and double-resistant recombinants in the BC1F1 generation. Out of 17605 progenies tested in the BC1F1 generation, two susceptible recombinants, one between Mla1 and Mla12 and one between Mla13 and Mla20 were confirmed. The former was also verified by RFLP analysis.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Nutrient cycling in agroecosystems 33 (1992), S. 1-34 
    ISSN: 1573-0867
    Keywords: Automatic control ; fertilizer application ; geographic information systems ; sensors ; sitespecific ; spatially-variable ; variability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The variability of crops, soils, and pests within crop production fields has led to attempts to understand those variations and to manage crop production accordingly. The rapidly expanding research and development on the management and control of crop production according to in-field variations is reviewed. The various stages and components of this spatially-variable control are classified and presented along with a proposed terminology and notation. Advances in component technologies (sensors, actuators, locators, geostatistics, geographic information systems) and their integration should reduce crop production costs and be environmentally advantageous.
    Type of Medium: Electronic Resource
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