A Pinus radiata needle showing faded olive- or khaki- coloured lesions consistent with the presence of red needle cast disease. Arrow shows resinous bands within the extended olive lesion.
Photo Gallery
P. pluvialis on Pinus radiata in New Zealand |
P. tentaculata disease symptoms on sticky monkey flower Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
P. pinifolia sporangia Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. pseudotsugae colony morphology on PDA P. pseudotsugae colony growth on PDA agar |
P. nicotianae symptoms 2 Symptoms of gummosis on black wattle (Fitopatol. bras. 2005) |
P. austrocedrae - Mal del ciprés, stages of decline Mal del ciprés, stages of decline |
P. siskiyouensis colony morphology on V8 Colony morphology on V8 at 14 days |
P. nemorosa colony morphology on PDA Colony morphology on PDA at 14 days |
P. siskiyouensis disease symptoms on Italian alder Grove of dying trees in a commercial landscape in Foster City, CA |
P. pinifolia on Pinus radiata Pinus radiata, note Stem canker associated with necrotic needles. |
Growth of P. arenaria on MEA Colony morphology of Phytophthora arenaria after 7 days at 20°C on malt extract agar |
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 |