Canadian Forest Service Publications
Botryosphaeria tsugae n. sp. causing dieback of western hemlock in British Columbia. 1964. Funk, A. Canadian Journal of Botany 42(6): 769-775.
Available from: Pacific Forestry Centre
Catalog ID: 23969
CFS Availability: PDF (request by e-mail)
Available from the Journal's Web site. †
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Botryosphaeria tsugae n. sp. was found to have a Macrophoma conidial state. The fungus causes cankers and dieback of branches and leaders of Tsuga heterophylla (Raf.) Sarg. in the coastal forests of British Columbia. The fungus attacks the cambium, kills meristematic cells, and causes the collapse of the phloem.
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