P. cinnamomi colony growth on V8 at 14 days
Photo Gallery
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P. cinnamomi colony morphology on V8  |
P. agathidicia growth on PDA  Colony morphology of ex-holotype ICMP 17027 after 10-days incubation at 20°C in the dark |
P. chlamydospora hyphal swellings  Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm.
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P. alni symptoms on European Alder  Mature, riparian common alder (A. glutinosa) stand heavily impacted by root and collar rot caused by P. alni |
P. pseudotsugae sporangia  Broadly ovoid, papillate sporangia in water |
P. ramorum oogonium  Oogonium with thick oogonial wall, photo from Q-bank, used with permission |
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P. kernoviae canker  Bole lesion on Fagus sylvatica |
P. pluvialis on Pinus radiata in New Zealand  A stand of Pinus radiata trees affected by red needle cast disease. Note the reddish appearance of affected trees prior to needle drop. |
P. boehmeriae symptoms  Symptoms of gummosis on black wattle (Acacia mearnsii) |
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Dead Port Orford Cedar trees  Dead Chamaecyparis lawsoniana trees along road |
P. pinifolia on Pinus radiata  Pinus radiata, note Stem canker associated with necrotic needles. |
P. siskiyouensis canker on Italian alder  Bleeding canker at the base of a tree and a sprinkler emitter (arrow) adjacent to the trunk |