Canadian Forest Service Publications

Stem cankers of young Douglas-firs associated with larval feeding galleries of Laspeyresia pseudotsugae (Lepidoptera: Olethreutidae) 1975. Funk, A. European Journal of Forest Pathology 5(3): 143-146.

Year: 1975

Available from: Pacific Forestry Centre

Catalog ID: 1530

Language: English

CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1111/j.1439-0329.1975.tb00458.x

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Abstract

The feeding galleries of lepidopterous larvae (Laspeyresia pseudotsugae Evans) in bark of young Douglas-fir were extensively cankered, resulting in permanent damage to the trees. The chief fungus associated with the cankering was Pragmopora pithya [(Fr.) Fr.] Groves. The damage occurred in plantations on Vancouver Island and adjacent mainland of British Columbia, Canada and Washington, U.S.A.

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