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Picture library: 36892

PHYTOPHTHORA . Granny Smith apples used for ' baiting ' material on Castanea sativa stem bark suspected of being infected with Phytophthora showing the characteristic mid - brown lesions with diffuse margins resulting from infection by this disease . Bark inserted under flaps cut in apples on 17 th August , 5 days before the photograph . Location: Alice Holt , Hampshire , England .

Reference: 36892

PHYTOPHTHORA . Granny Smith apples used for ' baiting ' material on Castanea sativa stem bark suspected of being infected with Phytophthora showing the characteristic mid - brown lesions with diffuse margins resulting from infection by this disease . Bark inserted under flaps cut in apples on 17 th August , 5 days before the photograph . Location: Alice Holt , Hampshire , England .


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Credit line: Forestry Commission

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