Dieback in Jarrah, Western Australia
Photo Gallery
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P. cinnamomi on Jarrah  |
P. tentaculata disease symptoms on California mugwort  Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant). |
P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
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P. cactorum sporangia  Broadly ovoid, papillate sporangia in water. |
P. siskiyouensis bleeding canker  Close-up of margin area of bole lesions under the bark of a bleeding canker |
P. pluvialis symptoms on Douglas-fir needles  Symptoms of red needle cast on Douglas-fir needles |
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P. siskiyouensis sporangia  Sporangia showing a variety of shapes and orientations of semi-papillae and sporangiophores |
P. cambivora oogonium  Bullate oogonium and and two-celled amphigynous antheridium |
P. palmivora chlamydospore  Terminal chlamydospore of P. palmivora |
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P. agathidicida lesion on kauri tree  Close up of gum oozing out of lower trunk lesions of a young kauri tree at Maungaroa Ridge, Piha region of Waitakere Regional Park |
Mal del ciprés, dead and dying trees along river  Mal del ciprés, dead and dying trees along river |
P. cambivora colony morphology on PDA  Colony morphology on PDA at 14 days |