P. pseudotsugae oogonium with paragynous antheridia, note the disrupted contents of the abortive oogonia
Photo Gallery
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P. pseudotsugae paragynous oogonium  |
Growth of P. arenaria on V8  Colony morphology of Phytophthora arenaria after 7 days at 20°C on V8 agar |
P. chlamydospora colony morphology on carrot agar  P. chlamydospora colony morphology on carrot agar |
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P. boehmeriae chlamydospore  Globose chlamydospore of P. boehmeriae |
P. cinnamomi cork oak decline  Cork oak decline, Portugal |
P. tentaculata disease symptoms on California mugwort  Nursery grown California mugwort plant (Artemisia douglasiana) infected with P. tentaculata and exhibiting severe root and crown rot |
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P. austrocedrae - Mal del ciprés in Argentina  Mal del ciprés looking toward Rio Grande, Chubut Province, Argentina |
Sporangia showing ovoid and ovoid to spherical shape and papillate condition sporangia  Sporangia showing ovoid and ovoid to spherical shape and papillate condition |
P. katsurae disease symptoms  Infected chestnut tree with girdling canker on stem |
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P. alni sporangia  Non-papillate sporangia of P. alni showing nested proliferation. |
P. pluvialis on Pinus radiata needle  Clusters of sporangia emerge from stomata of an infected radiata pine needle. |
P. alni symptoms on European Alder  Mature, riparian common alder (A. glutinosa) stand with high impact of Phytophthora root and collar rot. |