P. pseudotsugae oogonium with amphigynous antheridia
Photo Gallery
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P. pseudotsugae amphigynous oogonium  |
P. cambivora symptoms  Dead beech in Germany |
P. frigida symptoms 2  Symptoms of gummosis on black wattle |
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P. austrocedrae colony morphology on Tomato juice agar  Colony morphology of P. austrocedrae at 16 ºC after 4 weeks on Tomato juice agar |
P. pinifolia on Pinus radiata needles  Pinus radiata needles, note “black line” symptom near needle bases |
P. austrocedrae hyphal swellings  Hyphal swelling photo used with permission from Q-bank |
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Mal del ciprés, dead and dying trees along river  Mal del ciprés, dead and dying trees along river |
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. lateralis on Port Orford cedar  Dying Chaemacyparis lawsoniana trees in Lopérec, France. |
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P. cactorum sporangia  P. cactorum sporangia |
P. cinnamomi on Fraser fir  Frasier fir Christmas trees, North Carolina |
Phytophthora cactorum disease symptoms on English walnut  Dieback of Juglans regia caused by Phytophthora cactorum |