Oogonium with paragynous antheridium in agar
Photo Gallery
P. pseudosyringae oogonium |
P. cambivora inactive lesion on chinquapin Inactive lesion of P. cambivora on chinquapin |
P. frigida sporangia Noncaducous sporangia showing ovoid shape and papillate condition |
Phytophthora cactorum disease symptoms on English walnut Dieback of Juglans regia caused by Phytophthora cactorum |
P. ramorum leaf symptoms on tan oak Tip symptoms on tanoak seedling (Notholithocarpus densiflorus). |
P. cambivora oogonium P. cambivora oogonium with antheridium |
P. alni canker on gray alder Grey alder (A. incana) with collar rot caused by P. alni |
P. cactorum bleeding canker Bleeding canker on European beech (Fagus sylvatica) |
P. alni in alder, Illwald, France P. alni in alder, Illwald, France |
P. chlamydospora chlamydospore Phytophthora chlamydospora chlamydospore in agar. Bar is 20 µm. |
P. ramorum zoospores Sporangium of P. ramorum releasing zoospores |
P. nicotianae colony morphology on CMA Phytophthora nicotianae CBS 321.49 CMA after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |