Sporangium of P. ramorum releasing zoospores
Photo Gallery
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P. ramorum zoospores  |
P. cambivora coralloid hyphae  Coralloid hyphae with hyphal swelling-like structures |
P. kernoviae leaf wilt  Necrosis of rhododendron leaves. |
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P. cambivora colony morphology on PDA  Rosaceous colony morphology at 14 days at 20°C on PDA |
P. cryptogea sporangium  Ovoid non-papillate sporangia in water. |
P. lateralis on Port Orford cedar  Small root lesions on Chaemacyparis lawsoniana |
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P. cactorum sporangia  Broadly ovoid, papillate sporangia in water. |
P. cambivora oogonium  Bullate oogonium and and two-celled amphigynous antheridium |
P. chlamydospora colony morphology on V8 agar  P. chlamydospora colony morphology on V8 agar |
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P. siskiyouensis sporangium  P. siskiyouensis sporangium with lateral semi-papilla and subterminal, sub-basal insertion in the sporangiophore |
P. alni in riparian alder, Germany  P. alni in riparian alder, Germany |
P. arenaria disease symptoms on Banksia  Dead Banksia sp. in a Kwongan heathland on mineral sand near Eneabba, Western Australia recently killed by root and collar rot caused by Phytophthora arenaria |