Tar spots on European beech (Fagus sylvatica) with bark removed. Lesse, Germany
Photo Gallery
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P. cambivora tar spots  |
P. tentaculata disease symptoms on California mugwort  Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant). |
Basal canker on Port-Orford cedar  Basal canker on Chamaecyparis lawsoniana |
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Growth of P. palmivora on CMA  Growth of P. palmivora on corn meal agar |
P. boehmeriae oogonia  Oogonia and oospores with amphigynous antheridia |
P. agathidicia growth on V8  Colony morphology of ex-holotype ICMP 17027 after 10-days incubation at 20°C in the dark |
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P. pluvialis oogonium and antheridium  Oogonium and oospore with amphigynous antheridium |
P. siskiyouensis sporangia  Sporangia showing a variety of shapes and orientations of semi-papillae and sporangiophores |
P. pseudosyringae sporangium  Ovoid, semipapillate sporangia showing medium length pedicel |
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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) |
P. cambivora sporangium with internal extended proliferation  Empty sporangia showing internal extended proliferation |
P. agathidicida lesion on kauri tree  Close up of gum oozing out of lower trunk lesions of a young kauri tree at Maungaroa Ridge, Piha region of Waitakere Regional Park |