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Filtering by: Creator United States. Forest Service. Intermountain Region Remove constraint Creator: United States. Forest Service. Intermountain Region Creator Alsheikh, Abdulmagid M. Remove constraint Creator: Alsheikh, Abdulmagid M. Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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  • Taxomony and mycorrhizal ecology of the desert truffles in the genus Terfezia

    Creator:
    Alsheikh, Abdulmagid M.
    Abstract:
    Mycorrhizal fungi in arid and semiarid rangelands have received little study in southwest Asia and north Africa, although they are important in food production and rangeland productivity. The desert truffles of the genera Terfezia and Tirmania form fruiting-bodies and mycorrhizae with rangeland plants. This thesis treats the taxonomy and the...
    Resource Type:
    Dissertation
    Full Text:
    . Department of Agriculture, Forest Service, Pacific Northwest Research Station, Forestry Sciences Laboratory

  • Taxonomy of desert truffles : the genera Phaeangium and Tirmania

    Creator:
    Alsheikh, Abdulmagid M.
    Abstract:
    Mycorrhizal fungi are important in food production of arid lands. The desert truffles not only form a symbiotic association with range plants but also form fruiting bodies which are both prized as food and nutritious. The taxonomy and ecology of two genera of desert truffles are treated in this thesis....
    Resource Type:
    Masters Thesis
    Full Text:
    , Corvallis, Oregon 97331, U.S.A. and JAMES M. TRAPPE United States Department of Agriculture, Forest