Necrosis of rhododendron leaves.
Photo Gallery
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P. kernoviae leaf wilt  |
P. lateralis sporangia  Sporangia of P. lateralis showing internal and external proliferation |
P. katsurae oogonia  Oogonia with ornamentation |
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Boot wash to station to control spread of P. agathidicida  Use of hypochlorite solution applied through a “livestock drench-gun”, integrated with a soil grate to allow potentially contaminated soil to be collected |
P. kernoviae colony morphology  From Mycol.Res 109, 853-859; growth on CA under different conditions |
P. cambivora tar spots  Tar spots on European beech (Fagus sylvatica) with bark removed. Lesse, Germany |
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P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. alni basal canker on European Alder  P. alni basal canker on European Alder (Alnus glutinosa) |
Port Orford Cedar Hedge row  Chamaecyparis lawsoniana residential hedge row with alive and dead trees |
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P. arenaria oogonium  Aplerotic oogonia of P. arenaria with paragynous antheridia. Scale bar = 20 μm |
P. chlamydospora chlamydospore  Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm. |
P. kernoviae leaf wilt  Wilted leaf of infected rhododendron |