Oogonia and oospores with amphigynous antheridia
Photo Gallery
|
P. boehmeriae oogonia |
P. nicotianae symptoms 2 Symptoms of gummosis on black wattle (Fitopatol. bras. 2005) |
P. cambivora disease symptoms Dead and dying chinquapin infected with P. cambivora |
|
P. arenaria disease symptoms on Banksia landscape 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. cambivora coralloid irregular hyphae Coralloid irregular hyphae |
P. arenaria sporangia Typical ovoid papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract |
|
P. cinnamomi sporangium P. cinnamomi sporangium |
P. megasperma oogonium Oogonium with paragynous antheridia applied close to the ogonial stalk. |
P. arenaria hyphal swellings Catenulate, globose to subglobose hyphal swellings, some of them with radiating hyphae scale bar = 50 μm. |
|
P. tentaculata microscopic characteristics Hyphal swellings occuring at branching points of Mycelium (A), Intercalary hyphal swellings (B), Chlamydospore (C ), Sporangia (D) |
Mat to control spread of P. agathidicida Jogger running over a plastic-reinforced, foam-mat containing a 2% solution of Trigene™ Advance (quaternary ammonium compound) as part of a cross-country event, in the Waitakere Regional Park |
P. ramorum canker Bark discoloration and zone lines in coast live oak (Quercus agrifolia) |


