P. cactorum sporangia
Photo Gallery
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P. cactorum sporangia  |
P. austrocedrae hyphal swellings  Hyphal swelling photo used with permission from Q-bank |
P. cinnamomi on Fraser fir  Frasier fir Christmas trees, North Carolina |
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P. cactorum bleeding canker  Bleeding canker on red oak (Quercus rubra) |
P. cambivora colony morphology on PDA  Appressed colony morphology at 14 days at 20°C on PDA |
P. nemorosa colony morphology on PDA  Colony morphology on PDA at 14 days |
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P. pinifolia on Pinus radiata  Pinus radiata needles, note “black line” symptom near needle bases |
P. alni basal canker on European Alder  P. alni basal canker on European Alder (Alnus glutinosa) |
P. ramorum colony morphology on CMA PARP  P. ramorum colony morphology on CMA PARP |
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P. tentaculata sporangium  Papillate sporangium of P. tentaculata |
P. tentaculata hyphae  Looping hyphae commonly seen with P. tentaculata on PARP media |
Growth of P. arenaria on V8  Colony morphology of Phytophthora arenaria after 7 days at 20°C on V8 agar |