Noncaducous sporangium showing ovoid shape and papillate condition. (Fitopatol. bras. 2005)
Photo Gallery
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P. nicotianae sporangia  |
P. pluvialis symptoms  Symptoms of red needle cast on Douglas-fir needles |
Dead Port Orford Cedar trees  Dead Chamaecyparis lawsoniana trees along road |
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P. palmivora sporangia, chlamydospores, hyphae  Sporangia (sporangiospores), chlamydospores, and hyphae stained with Cotton Blue |
P. katsurae oogonium  Warty protuberances on oogonium |
P. cactorum sporangia  Broadly ovoid, papillate sporangia in water. |
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Growth of P. megakarya on corn meal agar
 Growth of P. megakarya on corn meal agar |
P. agathidicia growth on V8  Colony morphology of ex-holotype ICMP 17027 after 10-days incubation at 20°C in the dark |
P. kernoviae leaf wilt  Necrosis of rhododendron leaves. |
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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. pluvialis on Pinus radiata in New Zealand  A stand of Pinus radiata trees affected by red needle cast disease. Note that frequently only the lower part of the crown is affected. |
P. kernoviae sporangium  Asymmetrical sporangium, photo from Q-bank, used with permission |