External lesion; 14 November 2003
Photo Gallery
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P. kernoviae disease on beech  |
P. nemorosa colony morphology on V8  Colony morphology on V8 at 14 days |
P. nemorosa hyphal swellings  ‘Blistered’ hyphal swellings in agar |
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Mal del ciprés, dead and dying trees along river  Mal del ciprés, dead and dying trees along river |
P. tentaculata sporangium  Papillate sporangium of P. tentaculata with an elongated neck or beak. |
P. tentaculata oogonia and antheridia  Oospores and oogonia with mostly paragynous but some amphigynous antheridia of P. tentaculata |
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P. pluvialis sporangium  Sporangium showing typical ovoid shape and semi-papillate condition |
P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
Dying Port Orford Cedar trees  |
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P. nicotianae sporangia  Noncaducous sporangium showing ovoid shape and papillate condition. (Fitopatol. bras. 2005) |
P. ramorum leaf symptoms on tan oak  Tip symptoms on tanoak seedling (Notholithocarpus densiflorus). |
P. cryptogea sporangia  Sporangiophore showing internal proliferation through empty sporangia after zoospore release |