Oogonia and oospores with amphigynous antheridia
Photo Gallery
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P. boehmeriae oogonium  |
P. cambivora colony morphology on PDA  Uniform fluffy colony morphology at 14 days at 20°C on PDA |
P. siskiyouensis oogonium with amphigynous antheridium  P. siskiyouensis oogonium with amphigynous antheridium |
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P. austrocedrae colony morphology on PDA  Colony morphology of P. austrocedrae at 16 C after four weeks on PDA |
P. pluvialis on Pinus radiata  A Pinus radiata needle showing black resinous bands or marks consistent with the presence of red needle cast disease. |
P. palmivora colony morphology on V8  Growth of P. palmivora on V8 agar |
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P. cambivora tar spots  Tar spots on European beech (Fagus sylvatica) with bark removed. Lesse, Germany |
P. pseudosyringae sporangia  Ovoid, semipapillate sporangia showing sympodial development of sporangiophore |
P. tentaculata disease symptoms on California mugwort  Nursery grown California mugwort plant (Artemisia douglasiana) infected with P. tentaculata and exhibiting severe root and crown rot |
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P. nemorosa hyphal swellings  ‘Blistered’ hyphal swellings in agar |
P. nemorosa colony morphology on PDA  Colony morphology on PDA at 14 days |
Vehicle washing  Truck washing to avoid spread of P. lateralis |