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Filtering by: Subject Douglas fir -- Fertilizers Creator Angwin, Peter A. Subject Douglas fir -- Diseases and pests

Environmental factors influencing the rate of spread of Phellinus weirii (Murr.) Gilbertson in young-growth Douglas-fir

Creator:

Angwin, Peter A.

Abstract:

Studies to identify the environmental factors that influence the rate of ectotrophic mycelial growth of Phellinus weirii (Murr.) Gilbertson along Douglas-fir roots were undertaken both in the laboratory and in the field. The effects of soil pH, nitrogen, moisture, temperature, microorganisms and bulk density were investigated. In the lab, the...

Resource Type:

Masters Thesis

Full Text:

Phellinus weirii (Murr.) Gilbertson in young-growth Douglas-fir AN ABSTRACT OF THE THESIS OF Peter Andrew