Globose papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract. (Scale bar = 20 μm)
Photo Gallery
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P. arenaria sporangia  |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. cinnamomi on Banksia  Dead and dying Banksia, Western Australia |
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P. austrocedrae - sporangia  Sporangium with distorted shape, photo from Q-bank, used with permission. |
P. cactorum colony morphology on V8  Colony morphology on V8 at 14 days |
P. megasperma colony morphology on PDA  Colony morphology on PDA at 7 days |
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P. ramorum bleeding canker  Bark cracks with black ooze in coast live oak, a symptom of P. ramorum canker. |
P. cinnamomi on Jarrah  Dieback in Jarrah, Western Australia |
P. frigida symptoms 1  Symptoms of gummosis on black wattle |
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P. cactorum sporangia  Broadly ovoid, papillate sporangia in water. |
P. kernoviae oogonia  Oogonium with amphigynous antheridia, photo from Q-bank, used with permission |
P. austrocedrae necrotic lesion in phloem  P. austrocedrae - necrotic lesion in phloem |