Oospores of P. agathidicida in the roots of kauri seedlings inoculated with P. agathidicida. The root has been cleared with potassium hydroxide and bleached with peroxide, before being stained with Trypan Blue
Photo Gallery
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P. agathidicida oospores  |
P. agathidicia disease symptoms on kauri  Crown decline of mature kauri, with branchlets with little or no leaves |
P. katsurae sporangia  Papillate, non-caducous sporangia; photo used with permission from Q-bank |
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P. cambivora disease symptoms  Ink disease impact in sweet chestnut forest in Italy |
P. cambivora sporangium  Ovoid non-papillate sporangia with well-rounded base |
P. palmivora chlamydospore  Terminal chlamydospore of P. palmivora |
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P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
P. cambivora colony morphology on V8  Colony morphology on V8 at 14 days |
P. siskiyouensis sporangium  P. siskiyouensis sporangium with lateral semi-papilla and subterminal, sub-basal insertion in the sporangiophore |
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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 |
P. megakarya sporangia (photo from Q-bank, used with permission).  P. megakarya sporangia |
P. cambivora colony morphology on PDA  Colony morphology on PDA at 14 days |