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 Interior 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. 2001. Common insects and diseases of interior douglas-fir. British Columbia Ministry of Forests, Lands, Natural Resource Operations and Rural Development. Silviculture Report. SIL471
Topic: FLNRORD Research Program
Keywords: Pests, Pesticides
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