Dieback and shoot blight symptoms caused by P. ramorum on Abies grandis
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P. ramorum Dieback and shoot blight on Grand fir  |
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. tentaculata disease symptoms on sticky monkey flower  Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
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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 |