Dieback in Jarrah, Western Australia
Photo Gallery
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P. cinnamomi on Jarrah  |
Growth of P. megakarya on PDA  Growth of P. megakarya on potato dextrose agar |
P. austrocedrae semipapillate sporangium  P. austrocedrae - semipapillate sporangium with off-center attachment. |
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P. cactorum sporangia  Broadly ovoid, papillate sporangia in water. |
P. siskiyouensis disease symptoms on Italian alder  Grove of dying trees in a commercial landscape in Foster City, CA |
P. cinnamomi hyphal swelling  P. cinnamomi hyphal swelling (or thin walled chlamydospores) |
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P. ramorum sporangia  P. ramorum sporangia |
P. lateralis on Port Orford cedar  Small root lesions on Chaemacyparis lawsoniana |
P. cambivora oogonium  Bullate oogonium and and two-celled amphigynous antheridium |
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P. ramorum sporangia and chlamydospores  Sporangia and chlamydospores of P. ramorum |
P. agathidicida oospores  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 |
Port Orford Cedar Hedge row  Chamaecyparis lawsoniana residential hedge row with alive and dead trees |