Globose to ovoid-ellipsoid, papillate sporangium
Photo Gallery
|
P. agathidicida sporangium  |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. pluvialis on Pinus radiata needle  Clusters of sporangia emerge from stomata of an infected radiata pine needle. |
|
P. austrocedrae colony morphology on Tomato juice agar  Colony morphology of P. austrocedrae at 16 ºC after 4 weeks on Tomato juice agar |
P. pluvialis on Pinus radiata in New Zealand  A stand of Pinus radiata trees affected by red needle cast disease. Note the reddish appearance of affected trees prior to needle drop. |
P. nicotianae hyphal swelling  P. nicotianae hyphal swellings in water 100x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
|
P. austrocedrae - sporangia drawings  Phytophthora austrocedrae. Morphology of sporangia. Bar: 25 mm. Greslebin et al. 2007 |
P. arenaria disease symptoms on Banksia  Dead Banksia sp. in a Kwongan heathland on mineral sand near Eneabba, Western Australia recently killed by root and collar rot caused by Phytophthora arenaria |
P. kernoviae canker  Bole lesion on Fagus sylvatica |
|
P. cactorum bleeding canker  Bleeding canker on red oak (Quercus rubra) |
P. alni lesion in alder, Illwald, France  P. alni lesion in alder, Illwald, France |
P. agathidicida growth on MEA  Diffuse, non-patterned, colony morphology of ICMP 16471 (the original “Gadgil isolate”) after 10-days incubation at 20°C in the dark |