Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm.
Photo Gallery
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P. chlamydospora chlamydospore  |
P. arenaria oogonium  Aplerotic oogonia of P. arenaria with paragynous antheridia. Scale bar = 20 μm |
Phytophthora taxon Agathis bole canker  Canker on a Kauri tree, New Zealand |
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Dead Port Orford Cedar trees  Dead Chamaecyparis lawsoniana trees along road |
P. megakarya disease symptoms on Theobroma cacao
Symptoms of black pod disease of cocoa (T. cacao)
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Comparative gametangial morphology of Phytophthora Clade 5 species  Comparative gametangial morphology of Phytophthora Clade 5 species, with SEM (top) and light microscopy (bottom). P. heveae has smooth walled oogonia with funnel-shaped, amphigynous antheridia. P. agathidicida has mildly stipulate oogonia with globose amphigynous antheridia. P.cocois has mildly bullate oogonia with reflexed amphigynous antheridia. P. castaneae has coarsely bullate oogonium with rugose protuberances and narrow amphigynous antheridia (Weir et al. 2015). |
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P. alni symptoms on European Alder  Mature, riparian common alder (A. glutinosa) stand with high impact of Phytophthora root and collar rot. |
P. pseudosyringae sporangium  Ovoid, semipapillate sporangia showing medium length pedicel |
Growth of P. palmivora on CMA  Growth of P. palmivora on corn meal agar |
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P. cambivora disease symptoms  Collar canker rot of Ink disease on sweet chestnut |
P. cactorum sporangia  Broadly ovoid, papillate sporangia in water. |
Growth of P. arenaria on CA  Colony morphology of Phytophthora arenaria after 7 days at 20°C on carrot agar |