Ovoid, semi-papillate sporangium showing medium length pedicel.
Photo Gallery
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P. nemorosa sporangium  |
P. chlamydospora colony morphology on V8 agar  P. chlamydospora colony morphology on V8 agar |
P. kernoviae sporangium  Papillate and caducous sporangium, photo from Q-bank, used with permission |
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Growth of P. arenaria on half-strength PDA  Colony morphology of Phytophthora arenaria after 7 days at 20°C on half-strength PDA |
P. agathidicia oogonia  Light micrograph of P. agathidicida oospore (Scale bar equals 15 µm) |
P. palmivora oogonium  P. palmivora oogonium |
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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. pluvialis oogonium and antheridium  Oogonium and oospore with amphigynous antheridium |
P. pinifolia sporulation  Sporulation on edge of hemp seed, photo from Q-bank, used with permission. |
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P. lateralis on Port Orford cedar  Atypical decline caused by aerial infections in Scaër, France |
P. cambivora disease symptoms  Dead and dying chinquapin infected with P. cambivora |
P. pluvialis on Pinus radiata in New Zealand  A stand of Pinus radiata trees affected by red needle cast disease. Note the reddish appearance of affected trees prior to needle drop. |