P. nicotianae oogonia 100x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands)
Photo Gallery
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P. nicotianae oogonia  |
P. pinifolia sporangium  Cysts remain in sporangium after discharge, photo from Q-bank, used with permission |
P. nicotianae chlamydospore  Globose chlamydospore (Fitopatol. bras. 2005) |
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P. alni sporangia  Non-papillate sporangia of P. alni showing nested proliferation. |
P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
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). |
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P. austrocedrae - Mal del ciprés, stages of decline  Mal del ciprés, stages of decline |
P. pluvialis on Pinus radiata  A Pinus radiata needle showing black resinous bands or marks consistent with the presence of red needle cast disease. |
P. cinnamomi on Jarrah  Dieback in Jarrah, Western Australia |
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P. ramorum chlamydospores  P. ramorum chlamydospores |
P. frigida symptoms 1  Symptoms of gummosis on black wattle |
P. cambivora symptoms  Dead beech in Germany |