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  • Poaceae  (1)
  • common bean  (1)
  • genetic erosion  (1)
  • 1
    ISSN: 1432-2048
    Keywords: Key words: Arbuscular mycorrhiza ; Cereal (root fungus) ; Glomus ; Poaceae ; Terpenoid accumulation/induction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract. Sixty one members of the Poaceae, including various cereals, were grown in defined nutrient media with and without the arbuscular mycorrhizal (AM) fungus, Glomus intraradices Schenk & Smith. The roots of all species investigated were colonized by the AM fungus, however, to different degrees and independent of their systematic position. High-performance liquid chromatographic analyses of methanolic extracts from the roots of mycorrhizal and nonmycorrhizal species revealed dramatic changes in the patterns of UV-detectable products along with a widespread occurrence of AM-fungus-induced accumulation of sesquiterpenoid cyclohexenone derivatives. The latter occur most often in the tribes Poeae, Triticeae and Aveneae. Some additional control experiments on plant infection with pathogens (Gaeumannomyces graminis) and Drechslera sp.) or an endophyte (Fusarium sp.), as well as application of abiotic stress, proved that the metabolism of these terpenoids is part of a response pattern of many gramineous roots in their specific reaction to AM fungal colonization.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Euphytica 59 (1992), S. 99-101 
    ISSN: 1573-5060
    Keywords: Wild Brassica ; Brassica oleracea ; Calabria ; genetic erosion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary In the course of a mission in Calabria committed to collection of wild and cultivated plant samples of agricltural interest, a station of wild Brassica rupestris Rafin. was found near Stilo (CZ). At the author's best knowledge this detection represents one of the few findings and the first living collection of a wild species of Brassica of the oleracea group in Calabria. The taxonomic and practical importance of this discovery is discussed in relation to the distribution of these species in South Italy with particular regard to Calabria.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Genetic resources and crop evolution 40 (1993), S. 55-57 
    ISSN: 1573-5109
    Keywords: common bean ; East Asia ; phaseolin ; seed protein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Phaseolin seed protein was used as a marker to reveal the origin, Mesoamerican or Andean, of common bean (Phaseolus vulgaris) accessions cultivated in some countries (Korea, China, and Japan) of eastern Asia. Andean cultivars (T and C phaseolin patterns) are predominant in this geographical area. Introductions from Middle America, represented by cultivars with S phaseolin type, also occurred at lower rate. In all cases, genotypes with larger seeds have been favoured.
    Type of Medium: Electronic Resource
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