Cork oak decline, Portugal
Photo Gallery
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P. cinnamomi cork oak decline  |
P. cactorum sporangia  P. cactorum sporangia |
P. cambivora sporangium with sympodial proliferation  Empty sporagium showing sympodial proliferation |
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P. katsurae oogonium  Warty protuberances on oogonium |
P. frigida sporangia  Noncaducous sporangia showing ovoid shape and papillate condition |
P. cinnamomi in Australia  Death of Xanthoria and other native vegetation, Victoria, Australia |
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P. frigida oogonium  Oogonium and oospore with amphigynous antheridium |
P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
P. boehmeriae oogonia  Oogonia and oospores with amphigynous antheridia |
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P. austrocedrae oogonium  Oogonia with and without brown pigment, photo from Q-bank, used with permission |
P. pseudotsugae amphigynous oogonium  P. pseudotsugae oogonium with amphigynous antheridia |
P. arenaria sporangia  Globose papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract. (Scale bar = 20 μm) |