Pinus radiata, note Stem canker associated with necrotic needles.
Photo Gallery
P. pinifolia on Pinus radiata |
P. pluvialis sporangium Sporangia showing typical ovoid shape and semi-papillate condition |
P. pinifolia on Pinus radiata Pinus radiata impacted by DFP, note healthy new growth |
Sporangia showing ovoid and ovoid to spherical shape and papillate condition sporangia Sporangia showing ovoid and ovoid to spherical shape and papillate condition |
P. tentaculata oospores and antheridia Paragynous antheridium attached to oogonium with oospore |
P. cinnamomi hyphal swelling P. cinnamomi hyphal swelling (or thin walled chlamydospores) |
P. cambivora sporangium with nested proliferation Empty sporagia showing internal nested proliferation |
P. lateralis on Port Orford cedar Small root lesions on Chaemacyparis lawsoniana |
Austrocedrus associated with Mal del ciprés. Austrocedrus with basal resin flow associated with Mal del ciprés. |
P. nicotianae colony morphology on PDA Phytophthora nicotianae CBS 321.49 PDA after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
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). |
Phytophthora cactorum canker on beech tree Canker on Fagus sp. caused by Phytophthora cactorum. |