Dead Chamaecyparis lawsoniana, BLM Roseburg District in Oregon
Photo Gallery
Dead Port Orford Cedar |
P. palmivora sporangia
P. palmivora caducous papillate sporangia
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P. pluvialis oogonium and antheridium Oogonium and oospore with amphigynous antheridium |
P. austrocedrae - Mal del ciprés, stages of decline Mal del ciprés, stages of decline |
P. siskiyouensis colony morphology on V8 Colony morphology on V8 at 14 days |
P. austrocedrae colony morphology on CMA Colony morphology of P. austrocedrae at 16ºC after 4 weeks on CMA |
P. cactorum bleeding canker Bleeding canker on European beech (Fagus sylvatica) |
P. pluvialis sporangium Sporangium showing typical ovoid shape and semi-papillate condition |
P. pluvialis on Pinus radiata in New Zealand Typical red needle cast symptoms along a twig. Lesions begin at the base of the needle which subsequently turns brown and is cast from the twig. |
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. megasperma colony morphology on V8 Colony morphology on V8 at 7 days |
P. chlamydospora colony morphology on carrot agar P. chlamydospora colony morphology on carrot agar |