A Pinus radiata needle showing faded olive- or khaki- coloured lesions consistent with the presence of red needle cast disease. Arrow shows resinous bands within the extended olive lesion.
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P. pluvialis on Pinus radiata in New Zealand  |
P. cambivora colony morphology on PDA  Cottony colony morphology at 14 days at 20°C on PDA |
P. agathadicida disease symptom  Excavated lesion, with outer bark removed showing extent of disease-front |
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P. pinifolia sporangia  Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. cambivora oogonium  Bullate oogonium and and two-celled amphigynous antheridium |
P. cryptogea colony morpholgy on PDA  Colony morphology on PDA at 14 days |
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P. ramorum sporangia and chlamydospores  Sporangia and chlamydospores of P. ramorum |
P. cinnamomi cork oak decline  Cork oak decline, Portugal |
Dead and healthy Port-Orford cedar seedlings  Port-Orford-cedar seedlings planted to test for Phytophthora lateralis resistance at the Dorena Genetic Resource Center |
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P. cactorum sporangia  P. cactorum sporangia |
P. siskiyouensis oogonium with paragynous antheridium  P. siskiyouensis oogonium with paragynous antheridium |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |