Photo Gallery

P. tentaculata disease symptoms on California mugwort Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant).	P. nicotianae sporangia Noncaducous sporangium showing ovoid shape and papillate condition. (Fitopatol. bras. 2005)	P. alni subsp alni sporangium Non-papillate, non caducous sporangium, photo used with permission from Q-bank
P. cactorum oogonium Oogonium with paragynous antheridia close to oogonial stalk. Oospores are slightly aplerotic.	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)	P. alni symptoms on European Alder Mature, riparian common alder (A. glutinosa) stand with high impact of Phytophthora root and collar rot.
P. tentaculata disease symptoms on California mugwort Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant).	P. alni in alder forest, Germany, with T. Jung P. alni in alder forest, Germany, with T. Jung	Growth of P. megakarya on PDA Growth of P. megakarya on potato dextrose agar
P. siskiyouensis sporangium P. siskiyouensis sporangium with lateral semi-papilla and subterminal, sub-basal insertion in the sporangiophore	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. boehmeriae oogonium Oogonia and oospores with amphigynous antheridia