P. alni in alder forest, Germany, with T. Jung
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P. alni in alder forest, Germany, with T. Jung |
P. siskiyouensis canker on Italian alder Bole lesions in the tissues under the bark of a bleeding canker: distinct margin between healthy and disease tissues |
P. pluvialis on Pinus radiata in New Zealand Typical red needle cast symptoms along a twig. Lesions begin at the base of the needle which subsequently turns brown and is cast from the twig. |
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P. cambivora colony morphology on MA Uniform fluffy colony morphology at 14 days at 20°C on MA |
P. austrocedrae - Mal del ciprés, stages of decline Colony morphology of P. austrocedrae at 16 C after four weeks on PDA |
P. nicotianae sporangia P. nicotianae overview of sporangia 40x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
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P. nemorosa colony morphology on PDA Colony morphology on PDA at 14 days |
P. austrocedrae hyphal swellings in liquid media drawing Morphology of hyphae of Phytophthora austrocedrae, from Greslebin et al. 2007 |
P. tentaculata oogonia and antheridia Oospores and oogonia with mostly paragynous but some amphigynous antheridia of P. tentaculata |
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P. lateralis on Port Orford Cedar Horticultural planting of Port-Orford cedar, photo from USDA Forest Service, Dorena Genetic Resource Center |
P. lateralis on Port Orford cedar Localized branch infection of Chaemacyparis lawsoniana in Lopérec, France |
P. austrocedrae colony morphology on Tomato juice agar with B sitosterol Colony morphology of P. austrocedrae at 16 ºC after 4 weeks on Tomato juice agar with B sitosterol |


