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Forest Insect and Disease Conditions, Yukon Territory, 1978. 1979. Fiddick, R.L. Fisheries and Environment Canada, Canadian Forest Service, Pacific Forest Research Centre, Victoria, BC. Information Report BC-X-196. 4 p.
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Abstract
Except for three small new infestations of large aspen tortrix, insect populations declined throughout the Yukon in 1978. A needle disease caused conspicuous discoloration of lodgepole pine over large areas, and a canker disease caused mortality and dieback of white spruce, particularly around Minto Landing.