External lesion; 14 November 2003
Photo Gallery
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P. kernoviae disease on beech  |
P. cambivora older hyphae  Old septate hyphae |
P. ramorum leaf symptoms on tan oak  Tip symptoms on tanoak seedling (Notholithocarpus densiflorus). |
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P. pseudotsugae sporangia  Broadly ovoid, papillate sporangia in water |
P. nemorosa colony morphology on PDA  Colony morphology on PDA at 14 days |
P. cambivora coralloid hyphae  Coralloid hyphae with hyphal swelling-like structures |
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P. pinifolia sporangium  Cysts remain in sporangium after discharge, photo from Q-bank, used with permission |
P. pluvialis symptoms on Douglas-fir needles  Symptoms of red needle cast on Douglas-fir needles |
P. frigida chlamydospore  Globose chlamydospores of P. frigida |
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Dead and healthy Port-Orford cedar seedlings  Port-Orford-cedar seedlings planted to test for Phytophthora lateralis resistance at the Dorena Genetic Resource Center |
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. nicotianae sporangia  Noncaducous sporangium showing ovoid shape and papillate condition. (Fitopatol. bras. 2005) |