Mortality of Juglans regia caused by Phytophthora cactorum.
Photo Gallery
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Phytophthora cactorum disease symptoms on English walnut  |
P. pinifolia sporangium  Cysts remain in sporangium after discharge, photo from Q-bank, used with permission |
P. austrocedrae - sporangia drawings  Phytophthora austrocedrae. Morphology of sporangia. Bar: 25 mm. Greslebin et al. 2007 |
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P. cinnamomi on Jarrah  Dieback in Jarrah, Western Australia |
P. ramorum oogonium  Oogonium with thick oogonial wall, photo from Q-bank, used with permission |
P. cinnamomi on Banksia  Dead and dying Banksia, Western Australia |
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P. tentaculata oogonia and antheridia  Oospores and oogonia with mostly paragynous but some amphigynous antheridia of P. tentaculata |
P. pinifolia on Pinus radiata  Pinus radiata impacted by DFP, note healthy new growth |
P. lateralis sporangia  Sympodial sporangiophore with external proliferation |
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P. boehmeriae oogonia  Oogonia and oospores with amphigynous antheridia |
P. cactorum oogonium  Oogonium with paragynous antheridia close to oogonial stalk. Oospores are slightly aplerotic. |
P. cambivora symptoms  P. cambivora on Fagus sylvatica bole |