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Picture library: 2001275

Verticillium dahliae.Catalpa bignonioides with one affected branch in a 15 foot tree. First record outside USA on this host and the third world record.

Reference: 2001275

Verticillium dahliae.Catalpa bignonioides with one affected branch in a 15 foot tree. First record outside USA on this host and the third world record.
Date Taken: 15th August 1971

Photographer: Martin Dobson
Copyright: Crown Copyright
Credit line: Forestry Commission / Martin Dobson

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