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Filtering by: Subject Lodgepole pine -- Diseases and pests -- Montana Remove constraint Subject: Lodgepole pine -- Diseases and pests -- Montana Decade 1970-1979 Remove constraint Decade: 1970-1979 Degree Field Forest Science Remove constraint Degree Field: Forest Science

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  • Stress response as a basis for disease susceptibility in Ponderosa Pine

    Creator:
    Koonce, Andrea
    Abstract:
    Trees stressed by artificial and natural means were sampled for response in growth and vigor, carbohydrate content, resin pressure characteristics, and water relations. Tree response was found to reflect both the severity and type of stress imposed. Crown color and appearance were reliable indicators of prolonged stress and advanced decline...
    Resource Type:
    Masters Thesis
    Full Text:
    , and advanced disease were sampled for oleoresin exudation pressure. They averaged 6, 4, and 2