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Picture library: 2001209

Xanthomonas. Bacterial canker, pseudomonas syringae, on populus tremula.

Reference: 2001209

Xanthomonas. Bacterial canker, pseudomonas syringae, on populus tremula.
Date Taken: 15th September 1957

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

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