Oogonium with thick oogonial wall, photo from Q-bank, used with permission
Photo Gallery
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P. ramorum oogonium  |
P. tentaculata disease symptoms on California mugwort  Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant). |
P. cinnamomi on Jarrah  Dieback in Jarrah, Western Australia |
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P. ramorum Dieback and shoot blight on Grand fir  Dieback and shoot blight symptoms caused by P. ramorum on Abies grandis |
P. cambivora bole canker  Fagus sylvatica bole canker |
P. ramorum chlamydospores  P. ramorum chlamydospores |
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P. cambivora oogonium  Bullate oogonium and and two-celled amphigynous antheridium |
P. agathidicia oogonia  Light micrograph of P. agathidicida oospore (Scale bar equals 15 µm) |
P. cambivora symptoms  Dead beech in Germany |
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P. cinnamomi hyphal swellings  P. cinnamomi hyphal swellings (or thin walled chlamydospores) |
Mal del ciprés, dead and dying trees along river  Mal del ciprés, dead and dying trees along river |
P. cinnamomi cork oak decline  Red oak with embedded lesions, France |