Bleeding canker on European beech (Fagus sylvatica)
Photo Gallery
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P. cactorum bleeding canker  |
P. agathidicia oogonia  P. agathidicida oogonia with SEM (top) and light microscopy (bottom) |
P. nicotianae colony morphology on CMA  Phytophthora nicotianae CBS 321.49 CMA after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
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P. pluvialis hyphal swellings  P. pluvialis hyphal swellings on agar |
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 |
P. lateralis on Port Orford cedar  Lesion caused by aerial infection on Chaemacyparis lawsoniana in Lopérec, France |
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P. cambivora disease symptoms  Collar canker rot of Ink disease on sweet chestnut |
P. pinifolia on Pinus radiata  Pinus radiata stand, note Defoliation and regrowth |
P. palmivora symptoms on fruit  Brown rot on a lemon fruit caused by Phytophthora palmivora. |
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P. pseudotsugae amphigynous oogonium  P. pseudotsugae oogonium with amphigynous antheridia |
P. tentaculata chlamydospore  Terminal chlamydospore of P. tentaculata |
P. lateralis on Port Orford cedar  Root lesions on Chaemacyparis lawsoniana |