Photo Gallery

P. tentaculata disease symptoms on California mugwort Nursery grown California mugwort plant (Artemisia douglasiana) infected with P. tentaculata and exhibiting severe root and crown rot	P. cambivora sporangium Ovoid non-papillate sporangia with well-rounded base	Growth morphology on V8 of P. lateralis Colony morphology on V8 at 14 days
P. austrocedrae necrotic lesion in phloem P. austrocedrae - necrotic lesion in phloem	P. palmivora oogonium P. palmivora oogonium	P. pinifolia on Pinus radiata Pinus radiata needles, note “black line” symptom near needle bases
P. boehmeriae oogonia Oogonia and oospores with amphigynous antheridia	P. pinifolia coenocytic hyphae Coenocytic hyphae (from Duran et al. 2008). Scale bar = 20 μm.	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. 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	P. agathidicia sporangia Differentiation of the cytoplasm within papillate sporangia into acid fuchsin stained zoospores	P. agathidicida oospores in planta Oospores 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 (scale bar =100 µm).