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P. cambivora symptoms

Bleeding canker, European beech, OSU campus

P. pinifolia hyphal growth

P. pinifolia pathogen growing from infected needle on selective agar

P. kernoviae disease on beech

External lesion; 14 November 2003

P. frigida oogonium

Oogonium and oospore with amphigynous antheridium

P. cambivora colony morphology on PDA

Cottony colony morphology at 14 days at 20°C on PDA

P. cambivora oogonium

Bullate oogonium with amphyginous antheridium

Phytophthora cactorum disease symptoms on English walnut

Mortality of Juglans regia caused by Phytophthora cactorum.

P. pseudotsugae amphigynous oogonium

P. pseudotsugae oogonium with amphigynous antheridia

P. cambivora oogonium

P. cambivora oogonium with antheridium

P. lateralis on Port Orford cedar

Root lesions on Chaemacyparis lawsoniana

P. megakarya disease symptoms on Theobroma cacao fruit

Disease symptoms on a cocoa pod

P. chlamydospora chlamydospore

Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm.

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