Hyphal swelling photo used with permission from Q-bank
Photo Gallery
P. austrocedrae hyphal swellings |
P. agathidicida oospores Oospores of P. agathidicida 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 |
P. boehmeriae oogonia Oogonia and oospores with amphigynous antheridia |
P. katsurae oogonia Oogonia with ornamentation |
P. pinifolia sporangium Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. pseudosyringae sporangia Ovoid, semipapillate sporangia showing sympodial development of sporangiophore |
P. chlamydospora sporangium Phytophthora chlamydospora sporangia in water, showing subsporangial elongation. Bar is 20 µm. |
P. ramorum on larch in the United Kingdom Larch trees with P. ramorum in the UK |
Mal del ciprés, dead and dying trees along river Mal del ciprés, dead and dying trees along river |
P. agathidicia oogonia P. agathidicida oogonia with SEM (top) and light microscopy (bottom) |
P. siskiyouensis canker on Italian alder Phytophthora collar rot on Italian alder trees: an isolated bleeding canker on the trunk |
P. megasperma oogonium Oogonium with paragynous antheridia applied close to the ogonial stalk. |