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Picture library: 2002136

Pathology complex. Oak die back. Dark patches on stem of otherwise healthy oak, associated with death of bark and insect tunnels in the cambium, possibly those of an Agromyzid.

Reference: 2002136

Pathology complex. Oak die back. Dark patches on stem of otherwise healthy oak, associated with death of bark and insect tunnels in the cambium, possibly those of an Agromyzid.
Date Taken: 15th October 1958

Photographer: Thelma Wood
Copyright: Crown Copyright
Credit line: Forestry Commission / Thelma Wood

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