Colony morphology on carrot agar at 20 days
Photo Gallery
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P. pluvialis colony morphology on carrot agar  |
Healthy Port Orford Cedar tree  Healthy Chamaecyparis lawsoniana tree |
P. alni subsp alni sporangium  Non-papillate, non caducous sporangium, photo used with permission from Q-bank |
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Growth of P. arenaria on MEA  Colony morphology of Phytophthora arenaria after 7 days at 20°C on malt extract agar |
P. cambivora colony morphology on PDA  Rosaceous colony morphology at 14 days at 20°C on PDA |
P. boehmeriae sporangium  Sporangium showing ovoid and ovoid to spherical shape and papillate condition |
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P. ramorum canker  Bark discoloration and zone lines in coast live oak (Quercus agrifolia) |
P. ramorum colony morphology on V8  P. ramorum colony morphology on V8 |
P. nicotianae sporangia  Noncaducous sporangium showing ovoid shape and papillate condition. (Fitopatol. bras. 2005) |
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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. ramorum on larch in the United Kingdom  Larch trees with P. ramorum in the UK |
P. siskiyouensis colony morphology on PDA  Colony morphology on PDA at 14 days |