Empty sporangia showing internal extended proliferation
Photo Gallery
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P. cambivora sporangium with internal extended proliferation  |
P. palmivora symptoms on fruit  Brown rot on a lemon fruit caused by Phytophthora palmivora. |
P. pluvialis sporangium  Sporangium showing typical ovoid shape and semi-papillate condition |
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P. katsurae disease symptoms  Infected chestnut tree with girdling canker on stem |
P. pluvialis - appearance of new growth  Tufted appearance of new growth from surviving buds on Douglas-fir, one year after defoliation. |
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. pluvialis oogonium and antheridium  Oogonium and oospore with amphigynous antheridium |
P. pinifolia coenocytic hyphae  Coenocytic hyphae (from Duran et al. 2008). Scale bar = 20 μm. |
P. boehmeriae oogonium  Oogonia and oospores with amphigynous antheridia |
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P. cambivora colony morphology on MA  Appressed stellate colony morphology at 14 days at 20°C on MA |
P. chlamydospora colony morphology on V8 agar  P. chlamydospora colony morphology on V8 agar |
Port Orford Cedar Hedge row  Chamaecyparis lawsoniana residential hedge row with alive and dead trees |