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Picture library: 9207

HETEROBASIDION ANNOSUM . Disease transference from infected stump ( right , 6 years old ) into vigorous dominant ( left , felled ) . Note progression of brown stain into stem , affecting 75% of butt diameter . Location: Kielder Forest , Northumberland , England .

Reference: 9207

HETEROBASIDION ANNOSUM . Disease transference from infected stump ( right , 6 years old ) into vigorous dominant ( left , felled ) . Note progression of brown stain into stem , affecting 75% of butt diameter . Location: Kielder Forest , Northumberland , England .


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Credit line: Forestry Commission

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