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Leaf spot (Septoria platanifolia) on Planetree, London 'Bloodgood' (Platanus x acerfolia)


7 Images
5368775
Paul Bachi
University of Kentucky Research and Education Center

Dark brown leaf spots with surrounding yellow/brown areas.

5368776
Paul Bachi
University of Kentucky Research and Education Center

Close-up of brown leaf spots.

5368777
Paul Bachi
University of Kentucky Research and Education Center

Dark-field observations of spores of Septoria platanifolia.

5368778
Paul Bachi
University of Kentucky Research and Education Center

Spores of Septoria platanifolia.

5368926
Paul Bachi
University of Kentucky Research and Education Center

Dark brown leaf spots without surrounding yellow/brown areas; 'Bloodgood' cultivar.

5368927
Paul Bachi
University of Kentucky Research and Education Center

Close-up of infected areas on the lower surface of leaf; 'Bloodgood' cultivar.

5368928
Paul Bachi
University of Kentucky Research and Education Center

Closer view of infected area on the lower surface of leaf showing spores oozing from a spore-producing body ("pycnidium"); 'Bloodgood' cultivar.