Close up of gum oozing out of lower trunk lesions of a young kauri tree at Maungaroa Ridge, Piha region of Waitakere Regional Park
Photo Gallery
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P. agathidicida lesion on kauri tree  |
Port Orford Cedar Hedge row  Chamaecyparis lawsoniana residential hedge row with alive and dead trees |
P. pinifolia sporangium  Cysts remain in sporangium after discharge, photo from Q-bank, used with permission |
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P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
P. cambivora disease symptoms  Crown symptoms of Ink disease on sweet chestnut |
P. agathidicia sporangia  Differentiation of the cytoplasm within papillate sporangia into acid fuchsin stained zoospores |
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P. cambivora sporangium  Ovoid non-papillate sporangia with well-rounded base |
P. agathidicida growth on CMA  Diffuse, non-patterned, colony morphology of ICMP 16471 (the original “Gadgil isolate”) after 10-days incubation at 20°C in the dark |
P. pluvialis sporangium  Sporangium showing typical ovoid shape and semi-papillate condition |
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P. cinnamomi sporangium  P. cinnamomi sporangium |
P. arenaria oogonium  Aplerotic oogonia of P. arenaria with paragynous antheridia. Scale bar = 20 μm |
P. cambivora active lesion on chinquapin  P. cambivora active lesion on chinquapin |