P. siskiyouensis oogonium with paragynous antheridium
Photo Gallery
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P. siskiyouensis oogonium with paragynous antheridium  |
P. pluvialis hyphal swellings  P. pluvialis hyphal swellings on agar |
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 |
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Growth of P. arenaria on half-strength PDA  Colony morphology of Phytophthora arenaria after 7 days at 20°C on half-strength PDA |
P. tentaculata disease symptoms on sticky monkey flower  Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
P. agathidicida lesion on kauri tree  Advancing triangular lesion extending up the trunk of an 80 cm DBH kauri tree in the Huia Dam Site along Twin Peaks Track, Waitakere Regional Park |
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P. pinifolia on Pinus radiata  Pinus radiata, note grey and collapsed needle bases |
P. frigida symptoms 1  Symptoms of gummosis on black wattle |
P. palmivora colony morphology on PDA  P. palmivora colony morphology on PDA |
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Boot wash to station to control spread of P. agathidicida  Use of hypochlorite solution applied through a “livestock drench-gun”, integrated with a soil grate to allow potentially contaminated soil to be collected |
P. cinnamomi hyphal swelling  P. cinnamomi hyphal swelling (or thin walled chlamydospores) |
P. pinifolia hyphal growth  P. pinifolia pathogen growing from infected needle on selective agar |