Sporangium showing ovoid and ovoid to spherical shape and papillate condition
Photo Gallery
P. boehmeriae sporangium |
P. austrocedrae hyphal swellings in liquid media drawing Morphology of hyphae of Phytophthora austrocedrae, from Greslebin et al. 2007 |
Basal canker on Port Orford Cedar stump |
P. cambivora colony morphology on PDA Appressed colony morphology at 14 days at 20°C on PDA |
P. cactorum oogonium Oogonium with paragynous antheridia close to oogonial stalk. Oospores are slightly aplerotic. |
P. pinifolia on Pinus radiata Pinus radiata, note Stem canker associated with necrotic needles. |
P. pluvialis sporangium Sporangia showing typical ovoid shape and semi-papillate condition |
P. katsurae oogonium Warty protuberances on oogonium |
P. katsurae sporangia Papillate, non-caducous sporangia; photo used with permission from Q-bank |
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). |
P. pluvialis symptoms on Douglas-fir Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
Mal del ciprés, dead and dying trees along river Mal del ciprés, dead and dying trees along river |