Growth of P. megakarya on V8 agar
Photo Gallery
Growth of P. megakarya on V8 agar |
P. megasperma sporangium Ovoid, non-papillate sporangia |
P. cambivora sporangium Ovoid non-papillate sporangia with well-rounded base |
Comparative gametangial morphology of Phytophthora Clade 5 species Comparative gametangial morphology of Phytophthora Clade 5 species, with SEM (top) and light microscopy (bottom). P. heveae has smooth walled oogonia with funnel-shaped, amphigynous antheridia. P. agathidicida has mildly stipulate oogonia with globose amphigynous antheridia. P.cocois has mildly bullate oogonia with reflexed amphigynous antheridia. P. castaneae has coarsely bullate oogonium with rugose protuberances and narrow amphigynous antheridia (Weir et al. 2015). |
P. alni symptoms on European Alder Mature, riparian common alder (A. glutinosa) stand heavily impacted by root and collar rot caused by P. alni |
P. cactorum bleeding canker Bleeding canker on red oak (Quercus rubra) |
P. austrocedrae colony morphology on CMA Colony morphology of P. austrocedrae at 16ºC after 4 weeks on CMA |
P. pinifolia colony morphology on PDA Colony pattern after 7 days on PDA at 24C, photo from Q-bank, used with permission. |
P. pluvialis symptoms on Douglas-fir P. pluvialis symptoms of red needle cast on Douglas-fir, western Oregon 2015 |
P. pinifolia on Pinus radiata needles Pinus radiata needles, note “black line” symptom near needle bases |
P. pinifolia on Pinus radiata Dead needles on lower side of P. radiata branch. |
P. cactorum bleeding canker Bleeding canker on European beech (Fagus sylvatica) |