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Filtering by: Language English [eng] Subject Western hemlock -- Diseases and pests

The influence of pre-harvest killing of western hemlock on subsequent stump invasion by Fomes annosus

Creator:

Laird, Peter Paul

Abstract:

This study concerns the effect of pre-harvest killing of commercial sized, forty year old western hemlock (Tsuga heterophylla (Raf.) Sarg.) on subsequent stump infection by Fomes annosus (Fr.) Karst. Further evaluations were made on tree drying, loosening of bark, wood deterioration and rate of crown and cambial death. Findings on...

Resource Type:

Dissertation
Black check in western hemlock

Creator:

Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology

Resource Type:

Technical Report
"Black Streak" in western hemlock : its characteristics and influence on strength

Creator:

Forest Products Laboratory (U.S.), Luxford, R. F. (Ronald Floyd), 1889-, Wood, Lyman Wentsch, 1899-, and Gerry, Eloise, b. 1885

Abstract:

Information reviewed and reaffirmed.

Resource Type:

Technical Report