Appressed colony morphology at 14 days at 20°C on MA
Photo Gallery
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P. cambivora colony morphology on MA  |
P. siskiyouensis canker on Italian alder  Bole lesions in the tissues under the bark of a bleeding canker: distinct margin between healthy and disease tissues |
Necrotic lesion in phloem caused by P. austrocedrae  Necrotic lesion in phloem with resin pocket caused by P. austrocedrae |
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P. alni in alder forest, Germany, with T. Jung  P. alni in alder forest, Germany, with T. Jung |
Chlamydospore of P. lateralis  Terminal chlamydospore on a short side stalk |
P. palmivora symptoms on fruit  Brown rot on a lemon fruit caused by Phytophthora palmivora. |
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Vehicle washing  Truck washing to avoid spread of P. lateralis |
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. |
P. nemorosa sporangium  Ovoid, semi-papillate sporangium showing medium length pedicel. |
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P. austrocedrae oogonium  Oogonia with and without brown pigment, photo from Q-bank, used with permission |
P. pinifolia colony morphology on PDA  Colony pattern after 7 days on PDA at 24C, photo from Q-bank, used with permission. |
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 |