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Picture library: 4605

NECTRIA . Beech showing cankers caused by this fungus following beech scale , Cryptococcus fagi attack . Tree not killed and now recovering from infestation . In virgin stand of eastern hemlock , beech , birch , maple , balsam fir . Close up of cankered stem . Location: Fredericton , New Brunswick , Canada .

Reference: 4605

NECTRIA . Beech showing cankers caused by this fungus following beech scale , Cryptococcus fagi attack . Tree not killed and now recovering from infestation . In virgin stand of eastern hemlock , beech , birch , maple , balsam fir . Close up of cankered stem . Location: Fredericton , New Brunswick , Canada .


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Credit line: Forestry Commission

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