Ovoid non-papillate sporangia in water.
Photo Gallery
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P. cryptogea sporangium  |
P. siskiyouensis oogonium with paragynous antheridium  P. siskiyouensis oogonium with paragynous antheridium |
Basal canker on Port Orford Cedar stump  |
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P. nicotianae colony morphology on V8  Phytophthora nicotianae CBS 321.49 V8 after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
P. tentaculata sporangium  Papillate sporangium of P. tentaculata with an elongated neck or beak. |
P. pinifolia sporangia  Sporangium with internal proliferation, photo from Q-bank, used with permission. |
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P. alni sporangia  Non-papillate sporangia of P. alni showing nested proliferation. |
P. nemorosa colony morphology on V8  Colony morphology on V8 at 14 days |
P. ramorum on larch in the United Kingdom  Larch trees with P. ramorum in the UK |
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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. alni in riparian alder, Germany  P. alni in riparian alder, Germany |
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). |