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Filtering by: Creator Didyk, Borys M. Degree Field Botany

Comparison of Phellinus weirdi root rot damage in a 60-year-old Douglas-fir (Pseudotsuga menziesii) stand with the damage in the preceding old-growth stand

Creator:

Tkacz, Borys M.

Abstract:

Laminated root rot of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) caused by the fungus Phellinus weirii (Murr.)Gilbertson was studied in two successive stands in the Oregon Coast Range. Damage due to the disease in a 60-year-old second-growth stand was compared with incidence in the preceding 300-year-old stand on the same site....

Resource Type:

Masters Thesis

Full Text:

December 5, 1979 Typed by Borys M. Tkacz for Borys Myroslav Tkacz ACKNOWLEDGEMENTS I would like to