Trees play an important aesthetic and biological role in our environment. Trees such as Douglas-fir can suffer from a wide variety of native and introduced pests. This guide is intended to help non-specialists recognize common ailments of Douglas-fir and diagnose the likely cause. Using this guide, you may be able to determine an appropriate treatment for your tree or better describe the problem to a tree care professional.
Forest Health Section - Vancouver Region. 1999. Common insects and diseases of coastal douglas-fir. British Columbia Ministry of Forests, Lands, Natural Resource Operations and Rural Development. Silviculture Report. SIL456
Topic: FLNRORD Research Program
Keywords: Forest, Health
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