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Filtering by: Language English [eng] Subject Douglas fir -- Diseases and pests -- Idaho -- Nezperce National Forest

Population structure and incidence of Heterobasidion annosum in grand fir and Douglas-fir on the Nez Perce National Forest, Idaho

Creator:

Lockman, Irene Blakey

Abstract:

Annosus root disease (Heterobasidion annosum (Fr.) Bref.) is causing notable conifer mortality in grand fir habitat types in central Idaho. The most significant mortality is occurring in Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco.) trees of all age classes. This project was designed to study some aspects of the general biology of...

Resource Type:

Masters Thesis
Damage caused by the Douglas-fir tussock moth on portions of the Nezperce National Forest, 1977

Creator:

Bousfield, Wayne E., Oakes, Robert D., and United States. Forest Service. Northern Region. State & Private Forestry

Resource Type:

Technical Report