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Picture library: 2001232

Xanthomonas populi.Bacterial canker of poplars associated with agromyzid tunnels. A. Typical initial cankers B. Severe injury to

Reference: 2001232

Xanthomonas populi.Bacterial canker of poplars associated with agromyzid tunnels. A. Typical initial cankers B. Severe injury to ""very resistant"" 'Populus tacamahaca x trichocarpa 37' C.Wood cut away to show association. D. Wood cut away to show continuous occluded lesion over tunnel.
Date Taken: 15th April 1964

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

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