Smooth-walled oogonium of P. alni (Swedish variant) with oospore and amphigynous antheridium.
Photo Gallery
P. alni oogonia |
Black pod disease of cacao caused by P. palmivora Black pod of cacao in Ecuador caused by P. palmivora (see lesioned fruit on left). |
P. pinifolia hyphal growth P. pinifolia pathogen growing from infected needle on selective agar |
P. siskiyouensis bleeding canker Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue |
P. kernoviae canker Bole lesion on Fagus sylvatica |
P. pluvialis symptoms on Douglas-fir Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
P. cactorum sporangia Broadly ovoid, papillate sporangia in water. |
P. megasperma colony morphology on PDA Colony morphology on PDA at 7 days |
P. austrocedrae - sporangia drawings Phytophthora austrocedrae. Morphology of sporangia. Bar: 25 mm. Greslebin et al. 2007 |
P. cambivora symptoms P. cambivora on Fagus sylvatica bole |
P. austrocedrae - Mal del ciprés, stages of decline Mal del ciprés, stages of decline |
P. cambivora colony morphology on PDA Rosaceous colony morphology at 14 days at 20°C on PDA |