Oogonium with amphigynous antheridia, photo from Q-bank, used with permission
Photo Gallery
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P. kernoviae oogonium  |
P. nicotianae sporangia  P. nicotianae overview of sporangia 40x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
Phytophthora cactorum disease symptoms on English walnut  Mortality of Juglans regia caused by Phytophthora cactorum. |
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P. nemorosa colony morphology on PDA  Colony morphology on PDA at 14 days |
P. cambivora colony morphology on PDA  Appressed colony morphology at 14 days at 20°C on PDA |
P. siskiyouensis colony morphology on PDA  Colony morphology on PDA at 14 days |
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P. megasperma sporangia  Ovoid, non-papillate sporangia showing internal proliferation of sporangiophore |
P. alni in riparian alder, Germany  P. alni in riparian alder, Germany |
P. cryptogea sporangium  Obpyriform non-papillate sporangia in water |
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P. pluvialis on Pinus radiata in New Zealand  Lesions consistent with the presence of red needle cast disease are more abundant at the base of Pinus radiata needles as indicated by the arrow. |
Mat to control spread of P. agathidicida  Jogger running over a plastic-reinforced, foam-mat containing a 2% solution of Trigene™ Advance (quaternary ammonium compound) as part of a cross-country event, in the Waitakere Regional Park |
P. megakarya chlamydospore 
Terminal chlamydospore of P. megakarya
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