Photo Gallery

P. pluvialis - appearance of new growth Tufted appearance of new growth from surviving buds on Douglas-fir, one year after defoliation.	P. chlamydospora chlamydospore Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm.	P. agathidicia sporangia Differentiation of the cytoplasm within papillate sporangia into acid fuchsin stained zoospores
P. katsurae growth morphology on β-CMA Growth morphology at 7 days on β-CMA	P. chlamydospora chlamydospore Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm.	P. lateralis sporangia Sporangia of P. lateralis showing internal and external proliferation
P. pluvialis symptoms on Douglas-fir P. pluvialis symptoms of red needle cast on Douglas-fir, western Oregon 2015	P. siskiyouensis oogonium with amphigynous antheridium P. siskiyouensis oogonium with amphigynous antheridium	P. siskiyouensis bleeding canker Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue
Growth of P. arenaria on half-strength PDA Colony morphology of Phytophthora arenaria after 7 days at 20°C on half-strength PDA	P. pluvialis symptoms on Douglas-fir Red needle cast symptoms on Douglas-fir in western Oregon, 2015	P. cactorum bleeding canker Bleeding canker on European beech (Fagus sylvatica)