Symptoms of red needle cast on Douglas-fir needles
Photo Gallery
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P. pluvialis symptoms on Douglas-fir needles  |
P. lateralis on Port Orford cedar  Localized branch infection of Chaemacyparis lawsoniana in Lopérec, France |
P. ramorum sporangia  P. ramorum sporangia |
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P. siskiyouensis colony morphology on PDA  Colony morphology on PDA at 14 days |
P. kernoviae leaf wilt  Wilted leaf of infected rhododendron |
P. tentaculata on V-8 media  Culture of P. tentaculata on V-8 media |
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P. arenaria hyphal swellings  Catenulate, globose to subglobose hyphal swellings, some of them with radiating hyphae scale bar = 50 μm. |
Basal canker on Port Orford Cedar stump  |
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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Mat to control spread of P. agathidicida  Jogger running over a plastic-reinforced, foam-mat containing a 2% solution of Trigene™ Advance (quaternary ammonium compound) as part of a cross-country event, in the Waitakere Regional Park |
P. siskiyouensis oogonium with paragynous antheridium  P. siskiyouensis oogonium with paragynous antheridium |
P. cambivora oogonium  P. cambivora oogonium with antheridium |