Photo Gallery

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	Growth of P. arenaria on V8 Colony morphology of Phytophthora arenaria after 7 days at 20°C on V8 agar	Sporangia showing ovoid and ovoid to spherical shape and papillate condition sporangia Sporangia showing ovoid and ovoid to spherical shape and papillate condition
P. kernoviae colony morphology on CMA PARPH Organism grown on CMA PARP[H]; Plant disease 70, 1038-1043	P. kernoviae colony morphology on V8 Colony morphology at 7 days at 18°C on V8, photo from Q-bank, used with permission.	P. siskiyouensis disease symptoms on Italian alder Grove of dying trees in a commercial landscape in Foster City, CA
P. chlamydospora chlamydospore Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm.	P. pinifolia on Pinus radiata Pinus radiata, note Stem canker associated with necrotic needles.	P. palmivora colony morphology on PDA P. palmivora colony morphology on PDA
P. frigida chlamydospore Globose chlamydospores of P. frigida	P. katsurae disease symptoms Infected chestnut (Castanea) with bleeding canker	P. austrocedrae colony morphology on Tomato juice agar with B sitosterol Colony morphology of P. austrocedrae at 16 ºC after 4 weeks on Tomato juice agar with B sitosterol