Oogonium with amphigynous antheridia, photo from Q-bank, used with permission
Photo Gallery
|
P. kernoviae oogonia  |
P. chlamydospora hyphal swellings  Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm.
|
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. tentaculata oogonia and antheridia  Oospores and oogonia with mostly paragynous but some amphigynous antheridia of P. tentaculata |
P. katsurae oogonium  Warty protuberances on oogonium |
P. palmivora oogonium  P. palmivora oogonium |
|
P. cambivora sporangium with sympodial proliferation  Empty sporagium showing sympodial proliferation |
P. cambivora colony morphology on PDA  Cottony colony morphology at 14 days at 20°C on PDA |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
|
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. cambivora coralloid hyphae  Coralloid hyphae with hyphal swelling-like structures |
Healthy Port Orford Cedar tree  Healthy Chamaecyparis lawsoniana trees |