Cysts remain in sporangium after discharge, photo from Q-bank, used with permission
Photo Gallery
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P. pinifolia sporangium  |
P. cambivora sporangium with internal extended proliferation  Empty sporagia showing internal nested and extended proliferation |
P. alni basal canker on European Alder  P. alni basal canker on European Alder (Alnus glutinosa) |
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P. tentaculata disease symptoms on California mugwort  Nursery grown California mugwort plant (Artemisia douglasiana) infected with P. tentaculata and exhibiting severe root and crown rot |
Dying Port Orford Cedar trees  |
P. cryptogea sporangium  Ovoid non-papillate sporangia in water. |
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P. kernoviae oogonia  Oogonium with amphigynous antheridia, photo from Q-bank, used with permission |
P. cambivora colony morphology on PDA  Cottony colony morphology at 14 days at 20°C on PDA |
P. cryptogea hyphal swellings  Cluster of small, angular to globose hyphal swellings formed in water |
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P. tentaculata disease symptoms on sticky monkey flower  Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
Growth of P. arenaria on half-strength PDA  Colony morphology of Phytophthora arenaria after 7 days at 20°C on half-strength PDA |
P. ramorum on larch in the United Kingdom  Larch trees with P. ramorum in the UK |