Sympodial sporangiophore with external proliferation
Photo Gallery
P. lateralis sporangia |
P. cactorum oogonium Oogonium with paragynous antheridia close to oogonial stalk. Oospores are slightly aplerotic. |
P. kernoviae leaf wilt Wilted leaf of infected rhododendron |
P. chlamydospora colony morphology on V8 agar P. chlamydospora colony morphology on V8 agar |
P. ramorum canker Bark discoloration and zone lines in coast live oak (Quercus agrifolia) |
P. siskiyouensis oogonium with amphigynous antheridium P. siskiyouensis oogonium with amphigynous antheridium |
P. alni basal canker on European Alder P. alni basal canker on European Alder (Alnus glutinosa) |
P. cinnamomi sporangium P. cinnamomi sporangium |
P. cinnamomi sporangium P. cinnamomi sporangium |
P. siskiyouensis disease symptoms on Italian alder Grove of dying trees in a commercial landscape in Foster City, CA |
Phytophthora cactorum disease symptoms on English walnut Mortality of Juglans regia caused by Phytophthora cactorum. |
P. agathidicia oogonia Light micrograph of P. agathidicida oospore (Scale bar equals 15 µm) |