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Picture library: 37471

BULGARIA INQUINANS . Black conidial spore masses oozing from fessieres in dead Quercus Coccinea bark . The tree  was artificially infected in November 1983 , photographed in June 1984 . This was the first demonstration that this fungus causes disease in oak . Location: Sheffield Park , East Sussex , England .

Reference: 37471

BULGARIA INQUINANS . Black conidial spore masses oozing from fessieres in dead Quercus Coccinea bark . The tree was artificially infected in November 1983 , photographed in June 1984 . This was the first demonstration that this fungus causes disease in oak . Location: Sheffield Park , East Sussex , England .


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Credit line: Forestry Commission

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