Oogonium with thick oogonial wall, photo from Q-bank, used with permission
Photo Gallery
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P. ramorum oogonium  |
P. agathidicida growth on MEA  Diffuse, non-patterned, colony morphology of ICMP 16471 (the original “Gadgil isolate”) after 10-days incubation at 20°C in the dark |
P. nemorosa sporangia  Ovoid, semi-papillate sporangia showing sympodial development of sporangiophore |
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P. pluvialis - appearance of new growth  Tufted appearance of new growth from surviving buds on Douglas-fir, one year after defoliation. |
P. palmivora sporangia  Sporangia (sporangiospores) showing sympodial branching |
P. nicotianae symptoms 2  Symptoms of gummosis on black wattle (Fitopatol. bras. 2005) |
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P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
P. ramorum colony morphology on CMA PARP  P. ramorum colony morphology on CMA PARP |
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 |
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P. alni oogonia  Smooth-walled oogonium of P. alni (Swedish variant) with oospore and amphigynous antheridium. |
P. pinifolia on Pinus radiata  Pinus radiata impacted by DFP, note healthy new growth |
P. pluvialis on Pinus radiata in New Zealand  A Pinus radiata needle showing faded olive- or khaki- coloured lesions consistent with the presence of red needle cast disease. Arrow shows resinous bands within the extended olive lesion. |