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Picture library: 2005166

Tortrix viridana damage. Injection of Phosdrin into oak stem to produce larval fall of tortrix for sampling.

Reference: 2005166

Tortrix viridana damage. Injection of Phosdrin into oak stem to produce larval fall of tortrix for sampling.
Date Taken: 15th May 1959

Photographer: M. Crooke
Copyright: Crown Copyright
Credit line: Forestry Commission / M. Crooke
Image size: 3690 x 2400 (27Mb)
DPI: 300

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