Papillate and caducous sporangium, photo from Q-bank, used with permission
Photo Gallery
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P. kernoviae sporangium  |
P. arenaria oogonium  Aplerotic oogonia of P. arenaria with paragynous antheridia. Scale bar = 20 μm |
P. cambivora disease symptoms  Ink disease impact in sweet chestnut forest in Italy |
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P. pseudotsugae sporangium  Broadly ovoid, papillate sporangium in water |
P. alni symptoms on European Alder  Mature, riparian common alder (A. glutinosa) stand with high impact of Phytophthora root and collar rot. |
P. chlamydospora chlamydospore  Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm. |
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Chlamydospore of P. lateralis  Terminal chlamydospore on a short side stalk |
P. ramorum bleeding canker  Bark cracks with black ooze in coast live oak, a symptom of P. ramorum canker. |
Growth of P. arenaria on half-strength PDA  Colony morphology of Phytophthora arenaria after 7 days at 20°C on half-strength PDA |
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P. siskiyouensis canker on Italian alder  Phytophthora collar rot on Italian alder trees: an isolated bleeding canker on the trunk |
P. nemorosa colony morphology on V8  Colony morphology on V8 at 14 days |
P. siskiyouensis bleeding canker  Close-up of margin area of bole lesions under the bark of a bleeding canker |