Search Constraints

Start Over
Filtering by: Subject Lupines -- Northwest, Pacific -- Roots Remove constraint Subject: Lupines -- Northwest, Pacific -- Roots Creator Angwin, Peter A. Remove constraint Creator: Angwin, Peter A.

Search Results

  • Genetics of sexuality and population genetics of Phellinus weirii

    Creator:
    Angwin, Peter A.
    Abstract:
    Phellinus weirii (Murr.) Gilbertson, cause of laminated root and butt rot, is a heterothallic basidiomycete lacking clamp connections. Two biological species groups of the fungus have been hypothesized, the Douglas-fir and cedar-types, on the basis of physiological, morphological and epidemiological differences. Single-spore and vegetative isolates differ in cultural morphology, nuclear...
    Resource Type:
    Dissertation
    Full Text:
    root diseases in the Pacific Northwest. The disease has been estimated to reduce forest productivity