This directive contains the phytosanitary requirements for the importation into Canada and movement within Canada of plants and plant parts of Larix spp.
Larch canker can kill both mature and immature trees.
The presence of this fungus has resulted in the exclusion of larch from plantation programs in Europe. Larch canker is not widely distributed within Canada. It occurs only in parts of Nova Scotia, New Brunswick and Prince Edward Island. According to the Canadian Forest Service Larix spp. Spread of the disease into non-infested areas of Canada would affect the productivity of larch stands.