Oospores and oogonia with mostly paragynous but some amphigynous antheridia of P. tentaculata
Photo Gallery
|
P. tentaculata oogonia and antheridia  |
P. frigida chlamydospore  Globose chlamydospores of P. frigida |
P. cryptogea hyphal swellings  Cluster of small, angular to globose hyphal swellings formed in water |
|
P. siskiyouensis colony morphology on V8  Colony morphology on V8 at 14 days |
P. cambivora colony morphology on PDA  Appressed colony morphology at 14 days at 20°C on PDA |
Phytophthora cactorum disease symptoms on English walnut  Mortality of Juglans regia caused by Phytophthora cactorum. |
|
P. pluvialis colony morphology on carrot agar  Colony morphology on carrot agar at 20 days |
P. palmivora sporangia
 P. palmivora caducous papillate sporangia
|
P. siskiyouensis canker on Italian alder  Bleeding canker at the base of a tree and a sprinkler emitter (arrow) adjacent to the trunk |
|
P. cambivora sporangium with nested proliferation  Empty sporagia showing internal nested proliferation |
Black pod disease of cacao caused by P. palmivora  Black pod of cacao in Ecuador caused by P. palmivora (see lesioned fruit on left). |
P. cambivora sporangium  Ovoid non-papillate sporangia with well-rounded base and simple sporangiophore |