Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue
Photo Gallery
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P. siskiyouensis bleeding canker  |
P. frigida sporangia  Noncaducous sporangia showing ovoid shape and papillate condition |
P. alni in alder, Illwald, France  P. alni in alder, Illwald, France |
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P. nicotianae oogonia  P. nicotianae oogonia 100x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
P. austrocedrae colony morphology on PDA  Colony morphology of P. austrocedrae at 16 C after four weeks on PDA |
P. austrocedrae hyphal swellings  Hyphal swelling photo used with permission from Q-bank |
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Chlamydospore of P. lateralis  Laterally intercalary chlamydospore of Phytophthora lateralis |
P. lateralis colony morphology on PDA  Growth morphology on PDA of Phytophthora lateralis |
P. cinnamomi cork oak decline  Cork oak decline, Portugal |
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P. arenaria sporangia  Globose papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract. (Scale bar = 20 μm) |
P. tentaculata disease symptoms on California mugwort  Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant). |
P. cactorum sporangia  P. cactorum sporangia |