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. pinifolia on Pinus radiata  Pinus radiata dead needles caused by DFP with healthy new growth from DFP |
P. katsurae disease symptoms  Infected chestnut tree with girdling canker on stem |
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P. cambivora symptoms  Dead beech in Germany |
P. megakarya disease symptoms on Theobroma cacao fruit  Disease symptoms on a cocoa pod |
Growth of P. arenaria on V8  Colony morphology of Phytophthora arenaria after 7 days at 20°C on V8 agar |
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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. austrocedrae oogonium  Oogonia with and without brown pigment, photo from Q-bank, used with permission |
P. cambivora colony morphology on V8  Colony morphology on V8 at 14 days |
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P. pinifolia colony morphology on V8  Colony pattern after 7 days on V8 at 24C, photo from Q-bank, used with permission |
P. cambivora colony morphology on MA  Rosacous colony morphology at 14 days at 20°C on MA |
P. pinifolia on Pinus radiata needles  Pinus radiata needles, note “black line” symptom near needle bases |