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Filtering by: Subject Douglas fir -- Diseases and pests -- Idaho -- Nez Perce Indian Reservation Subject Roots (Botany) -- Diseases and pests

Incidence of root pathogens on Douglas-fir within the Reuben's Reserve, Nez Perce Indian Reservation, Idaho

Creator:

James, Robert L. and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management

Abstract:

Root diseases were evaluated on the Reuben's Reserve, Nez Perce Indian Reservation, Idaho. Nineteen trees adjacent to two suspected root disease centers were pushed with a D-6 tractor to expose their root systems. Extent of root necrosis and decay was determined and related to level of crown thinning, chlorosis, and...

Resource Type:

Technical Report