Excavated lesion, with outer bark removed showing extent of disease-front
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P. agathadicida disease symptom  |
Growth of P. arenaria on MEA  Colony morphology of Phytophthora arenaria after 7 days at 20°C on malt extract agar |
P. ramorum sporangium  P. ramorum sporangium |
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P. nicotianae hyphal swelling  P. nicotianae hyphal swellings in water 100x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
P. agathidicida growth on CMA  Diffuse, non-patterned, colony morphology of ICMP 16471 (the original “Gadgil isolate”) after 10-days incubation at 20°C in the dark |
P. nemorosa sporangium  Ovoid, semi-papillate sporangium showing medium length pedicel. |
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P. austrocedrae irregular sporangium  P. austrocedrae - irregular sporangium with lateral attachment and swelling in sporangiophore |
P. palmivora chlamydospore  Terminal chlamydospore of P. palmivora |
P. ramorum leaf symptoms on tan oak  Tip symptoms on tanoak seedling (Notholithocarpus densiflorus). |
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P. pseudosyringae colony morphology on PDA  Colony morphology on PDA at 14 days |
P. cambivora tar spots  Tar spots on European beech (Fagus sylvatica) with bark removed. Lesse, Germany |
P. nemorosa hyphal swellings  ‘Blistered’ hyphal swellings in agar |