Healthy Chamaecyparis lawsoniana tree
Photo Gallery
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Healthy Port Orford Cedar tree  |
P. chlamydospora chlamydospore  Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm. |
P. lateralis on Port Orford Cedar  Horticultural planting of Port-Orford cedar, photo from USDA Forest Service, Dorena Genetic Resource Center |
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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). |
P. pseudotsugae paragynous oogonium  P. pseudotsugae oogonium with paragynous antheridia, note the disrupted contents of the abortive oogonia |
P. agathidicia oogonia  P. agathidicida oogonia with SEM (top) and light microscopy (bottom) |
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P. austrocedrae - necrotic lesion in phloem  |
P. kernoviae oogonia  Oogonium with amphigynous antheridia, photo from Q-bank, used with permission |
P. alni in alder forest, Germany, with T. Jung  P. alni in alder forest, Germany, with T. Jung |
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P. tentaculata disease symptoms on sticky monkey flower  Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
P. pluvialis colony morphology on carrot agar  Colony morphology on carrot agar at 20 days |
P. pluvialis oogonium and antheridium  Oogonium and oospore with amphigynous antheridium |