Phytophthora chlamydospora sporangium in water. Bar is 20µm.
Photo Gallery
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P. chlamydospora sporangium  |
P. agathidicida oospores  Oospores of P. agathidicida in the roots of kauri seedlings inoculated with P. agathidicida. The root has been cleared with potassium hydroxide and bleached with peroxide, before being stained with Trypan Blue |
P. lateralis on Port Orford cedar  Small root lesions on Chaemacyparis lawsoniana |
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P. pluvialis colony morphology on carrot agar  Colony morphology on carrot agar at 20 days |
P. cambivora sporangium  Ovoid non- papillate sporangia |
P. megakarya chlamydospore 
Terminal chlamydospore of P. megakarya
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P. cryptogea hyphal swellings  Cluster of small, angular to globose hyphal swellings formed in water |
P. megasperma oogonium  Oogonium with paragynous antheridia applied close to the ogonial stalk. |
P. pluvialis symptoms  Symptoms of red needle cast on Douglas-fir needles |
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P. megakarya sporangia (photo from Q-bank, used with permission).  P. megakarya sporangia |
P. ramorum oogonium  Oogonium with thick oogonial wall, photo from Q-bank, used with permission |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |