Bark cracks with black ooze in coast live oak, a symptom of P. ramorum canker.
Photo Gallery
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P. ramorum bleeding canker  |
P. boehmeriae sporangium  Sporangium showing ovoid and ovoid to spherical shape and papillate condition |
Phytophthora cactorum canker on beech tree  Canker on Fagus sp. caused by Phytophthora cactorum. |
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Dying Port Orford Cedar trees  |
P. kernoviae colony morphology  From Mycol.Res 109, 853-859; growth on CA under different conditions |
P. pluvialis on Pinus radiata in New Zealand  Lesions consistent with the presence of red needle cast disease are more abundant at the base of Pinus radiata needles as indicated by the arrow. |
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P. pluvialis on Pinus radiata in New Zealand  A stand of Pinus radiata trees affected by red needle cast disease. Note that frequently only the lower part of the crown is affected. |
P. pluvialis symptoms on Douglas-fir needles  Symptoms of red needle cast on Douglas-fir needles |
P. austrocedrae semipapillate sporangium  P. austrocedrae - semipapillate sporangium with off-center attachment. |
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P. austrocedrae - sporangia drawings  Phytophthora austrocedrae. Morphology of sporangia. Bar: 25 mm. Greslebin et al. 2007 |
P. lateralis on Port Orford cedar  Lesion caused by aerial infection on Chaemacyparis lawsoniana in Lopérec, France |
P. austrocedrae - Mal del ciprés in Argentina  Mal del ciprés looking toward Rio Grande, Chubut Province, Argentina |