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Filtering by: Date issued sim 1970-10-27 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