Diffuse, non-patterned, colony morphology of ICMP 16471 (the original “Gadgil isolate”) after 10-days incubation at 20°C in the dark
Photo Gallery
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P. agathidicida growth on MEA  |
P. cambivora sporangium with internal extended proliferation  Empty sporangia showing internal extended proliferation |
P. alni oogonium  Bullate oogonium of P. alni (German variant) with oospore and amphigynous antheridium. |
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P. pinifolia on Pinus radiata  Pinus radiata impacted by DFP, note healthy new growth |
Phytophthora cactorum disease symptoms on English walnut  Dieback of Juglans regia caused by Phytophthora cactorum |
P. cryptogea colony morpholgy on V8  Colony morphology on V8 at 14 days |
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P. pseudosyringae colony morphology on V8  Colony morphology on V8 at 14 days |
P. tentaculata sporangium  Papillate sporangium of P. tentaculata with an elongated neck or beak. |
P. ramorum sporangia  P. ramorum sporangia |
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P. pluvialis on Pinus radiata in New Zealand  A stand of Pinus radiata trees affected by red needle cast disease. Note that frequently only the lower part of the crown is affected. |
P. cryptogea sporangium  Obpyriform non-papillate sporangia in water |
Dying Port Orford Cedar trees  Dead Chamaecyparis lawsoniana trees |