Sporangium with distorted shape, photo from Q-bank, used with permission.
Photo Gallery
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P. austrocedrae - sporangia  |
P. chlamydospora hyphal swellings  Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm.
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P. cinnamomi on Banksia  Dead and dying Banksia, Western Australia |
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P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. cactorum oogonium  Oogonium with paragynous antheridia close to oogonial stalk. Oospores are slightly aplerotic. |
Port Orford cedar seedlings  Raised beds for testing disease resistance of Port-Orford-cedar seedlings at the Dorena Genetic Resource Center |
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P. arenaria sporangia  Globose papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract. (Scale bar = 20 μm) |
P. alni canker on gray alder  Grey alder (A. incana) with collar rot caused by P. alni |
Growth of P. megakarya on V8 agar  Growth of P. megakarya on V8 agar |
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P. nicotianae oogonia  P. nicotianae oogonia 100x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
P. cambivora disease symptoms  Crown symptoms of Ink disease on sweet chestnut |
P. cactorum sporangia  Broadly ovoid, papillate sporangia in water. |