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European Larch Canker: A New Disease in Canada and a New North American Host Record. L. P. Magasi, Head, Forest Insect and Disease Survey, Fredericton, New Brunswick, Canada E3B 5P7. S. E. Pond, Mycology Technician, Maritimes Forest Research Centre, Fredericton, New Brunswick, Canada E3B 5P7. Plant Dis. 66:339. Accepted for publication 21 January 1982. This article is in the public domain and not copyrightable. It may be freely reprinted with customary crediting of the source. The American Phytopathological Society, 1982. DOI: 10.1094/PD-66-339.

European larch canker, caused by Lachnellula willkommii, was widespread in southern New Brunswick and in Nova Scotia on eastern larch. Branch and stem infections were common and some tree mortality was observed.

Keyword(s): Dasyscypha, Larix laricina, Trichoscyphella.