Grove of dying trees in a commercial landscape in Foster City, CA
Photo Gallery
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P. siskiyouensis disease symptoms on Italian alder  |
P. cinnamomi sporangium  P. cinnamomi sporangium |
Growth of P. palmivora on CMA  Growth of P. palmivora on corn meal agar |
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P. pinifolia sporangia  Sporangium with internal proliferation, photo from Q-bank, used with permission. |
P. kernoviae sporangium  Asymmetrical sporangium, photo from Q-bank, used with permission |
Growth of P. megakarya on PDA  Growth of P. megakarya on potato dextrose agar |
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P. pseudotsugae amphigynous oogonium  P. pseudotsugae oogonium with amphigynous antheridia |
P. chlamydospora sporangium  Phytophthora chlamydospora sporangium in water. Bar is 20µm. |
P. cambivora colony morphology on V8  Colony morphology on V8 at 14 days |
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P. pinifolia colony morphology on V8  Colony pattern after 7 days on V8 at 24C, photo from Q-bank, used with permission |
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). |
P. boehmeriae oogonia  Oogonia and oospores with amphigynous antheridia |