Mal del ciprés, stages of decline
Photo Gallery
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P. austrocedrae - Mal del ciprés, stages of decline  |
P. cambivora symptoms  P. cambivora on Fagus sylvatica bole |
P. megakarya chlamydospore 
Terminal chlamydospore of P. megakarya
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P. agathidicida lesion on kauri tree  Gum oozing out of longitudinal lesion |
P. cryptogea colony morpholgy on PDA  Colony morphology on PDA at 14 days |
P. pinifolia on Pinus radiata  Pinus radiata, note Infected needles at right angles to stem |
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P. chlamydospora chlamydospore  Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm. |
P. siskiyouensis canker on Italian alder  Phytophthora collar rot on Italian alder trees: an isolated bleeding canker on the trunk |
P. pluvialis on Pinus radiata needle  Clusters of sporangia emerge from stomata of an infected radiata pine needle. |
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P. siskiyouensis colony morphology on PDA  Colony morphology on PDA at 14 days |
Dead and healthy Port-Orford cedar seedlings  Port-Orford-cedar seedlings planted to test for Phytophthora lateralis resistance at the Dorena Genetic Resource Center |
P. chlamydospora chlamydospore  Phytophthora chlamydospora chlamydospore in agar. Bar is 20 µm. |