Colony morphology of Phytophthora arenaria after 7 days at 20°C on half-strength PDA
Photo Gallery
Growth of P. arenaria on half-strength PDA |
P. cambivora sporangium with nested proliferation Empty sporagia showing internal nested proliferation |
P. nicotianae symptoms Symptoms of gummosis on black wattle (Fitopatol. bras. 2005) |
P. frigida chlamydospore Globose chlamydospores of P. frigida |
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. alni canker on gray alder Grey alder (A. incana) with collar rot caused by P. alni |
P. pluvialis on Pinus radiata in New Zealand Typical red needle cast symptoms along a twig. Lesions begin at the base of the needle which subsequently turns brown and is cast from the twig. |
P. pinifolia sporangium Cysts remain in sporangium after discharge, photo from Q-bank, used with permission |
P. nemorosa oogonium Oogonium with amphigynous antheridium |
P. pluvialis oogonium and antheridium Oogonium and oospore with amphigynous antheridium |
P. cryptogea sporangium Ovoid non-papillate sporangia in water. |
P. lateralis on Port Orford cedar Typical decline of Chaemacyparis lawsoniana in Landrévarzec, France. |