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Picture library: 35867

PLACOSPHAERIA CORRUGATA . The first evidence that this fungus is pathogenic . Dead 5 mm diameter twig of Cedrus deodara killed by this fungus which was introduced as mycelium to bark wound ( blue square ) on 4th December 1978 . The twig was girdled by 16th May 1979 . Note extent of lesion revealed where bark has been cut away 1.5cm below dead twig base . Location: Alice Holt , Farnham , Surrey , England .

Reference: 35867

PLACOSPHAERIA CORRUGATA . The first evidence that this fungus is pathogenic . Dead 5 mm diameter twig of Cedrus deodara killed by this fungus which was introduced as mycelium to bark wound ( blue square ) on 4th December 1978 . The twig was girdled by 16th May 1979 . Note extent of lesion revealed where bark has been cut away 1.5cm below dead twig base . Location: Alice Holt , Farnham , Surrey , England .


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Credit line: Forestry Commission

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