Colony morphology on PDA at 14 days
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Basal canker on Port Orford Cedar stump |
P. cryptogea colony morpholgy on PDA |
P. siskiyouensis disease symptoms on Italian alder Grove of dying trees in a commercial landscape in Foster City, CA |
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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. cinnamomi cork oak decline Cork oak decline, Portugal |
P. katsurae sporangia Papillate, non-caducous sporangium with differentiated content; photo used with permission from Q-bank |
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P. chlamydospora sporangium Phytophthora chlamydospora sporangia in water, showing subsporangial elongation. Bar is 20 µm. |
P. austrocedrae colony morphology on PDA Colony morphology of P. austrocedrae at 16 C after four weeks on PDA |
P. pinifolia on Pinus radiata Pinus radiata, note Infected needles at right angles to stem |
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P. cambivora colony morphology on MA Appressed colony morphology at 14 days at 20°C on MA |
P. cryptogea sporangium Obpyriform non-papillate sporangia in water |
P. pinifolia on Pinus radiata Pinus radiata needles, note “black line” symptom near needle bases |


