Collar canker rot of Ink disease on sweet chestnut
Photo Gallery
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P. cambivora disease symptoms  |
P. arenaria disease symptoms on Banksia  Dead Banksia sp. in a Kwongan heathland on mineral sand near Eneabba, Western Australia recently killed by root and collar rot caused by Phytophthora arenaria |
Sporangia showing ovoid and ovoid to spherical shape and papillate condition sporangia  Sporangia showing ovoid and ovoid to spherical shape and papillate condition |
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P. pluvialis sporangium  Sporangium showing typical ovoid shape and semi-papillate condition |
P. cambivora sporangium with sympodial proliferation  Empty sporagium showing sympodial proliferation |
P. austrocedrae oogonium  Oogonia with and without brown pigment, photo from Q-bank, used with permission |
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P. cinnamomi on Banksia  Dead and dying Banksia, Western Australia |
P. pinifolia sporangia  Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. pinifolia on Pinus radiata  Pinus radiata, note Stem canker associated with necrotic needles. |
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P. pinifolia on Pinus radiata  Pinus radiata, note Stem canker associated with necrotic needles. |
P. arenaria hyphal swellings  Catenulate, globose to subglobose hyphal swellings, some of them with radiating hyphae scale bar = 50 μm. |
P. cambivora inactive lesion on chinquapin  Inactive lesion of P. cambivora on chinquapin |