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Filtering by: Subject Ponderosa pine -- Diseases and pests -- Idaho Remove constraint Subject: Ponderosa pine -- Diseases and pests -- Idaho Creator Harvey, George M. Remove constraint Creator: Harvey, George M. Degree Level Doctoral Remove constraint Degree Level: Doctoral

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  • Epidemiology of Lophodermella morbida in plantations of ponderosa pine in western Oregon

    Creator:
    Harvey, George M.
    Abstract:
    In 1967, Lophodermella morbida Staley and Bynum, a recently described hypodermataceous needle-cast fungus, became destructively epidemic in a knobcone pine (Pinus attenuata Lemm.) plantation in Del Norte County, California, and in several ponderosa pine (P. ponderosa Laws.) plantations in western and southwestern Oregon. This thesis presents information on this currently...
    Resource Type:
    Dissertation
    Full Text:
    in Del Norte County, California, and in several ponderosa pine (P. ponderosa Laws. ) plantations in