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Picture library: 2003850

Ceratocystis ulmi. Dutch elm disease. Decorticated twigs from a diseased tree to show characteristic dark streaks in the wood.

Reference: 2003850

Ceratocystis ulmi. Dutch elm disease. Decorticated twigs from a diseased tree to show characteristic dark streaks in the wood.
Date Taken: 15th August 1956

Photographer: Tony Anderson
Copyright: Crown Copyright
Credit line: Forestry Commission / Tony Anderson

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