P. palmivora caducous papillate sporangia
Photo Gallery
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P. palmivora sporangia
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P. austrocedrae hyphal swellings  Hyphal swelling photo used with permission from Q-bank |
P. agathidicida oospores  Oospores of P. agathidicida in the roots of kauri seedlings inoculated with P. agathidicida. The root has been cleared with potassium hydroxide and bleached with peroxide, before being stained with Trypan Blue |
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Growth of P. megakarya on corn meal agar
 Growth of P. megakarya on corn meal agar |
P. pluvialis symptoms  Symptoms of red needle cast on Douglas-fir needles |
P. alni sporangia  Non-papillate sporangia of P. alni showing nested proliferation. |
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Dying Port Orford Cedar trees  |
P. siskiyouensis disease symptoms on Italian alder  Grove of dying trees in a commercial landscape in Foster City, CA |
P. cinnamomi cork oak decline  Cork oak decline, Portugal |
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P. ramorum on larch in the United Kingdom  Larch trees with P. ramorum in the UK |
P. kernoviae colony morphology on V8  Colony morphology at 7 days at 18°C on V8, photo from Q-bank, used with permission. |
P. kernoviae disease on beech  External lesion; 14 November 2003 |