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
Photo Gallery
|
P. arenaria disease symptoms on Banksia  |
P. megasperma oogonium  Oogonium with paragynous antheridia applied close to the ogonial stalk. |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
|
P. tentaculata oogonia and antheridia  Oospores and oogonia with mostly paragynous but some amphigynous antheridia of P. tentaculata |
P. boehmeriae symptoms  Symptoms of gummosis on black wattle (Acacia mearnsii) |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
|
P. pinifolia on Pinus radiata  Dead needles on lower side of P. radiata branch. |
Tāne Mahuta “Lord of the Forest” kauri tree  Tāne Mahuta “Lord of the Forest” is a giant kauri tree (approximately 47 metres in height) in the Waipoua Forest of Northland Region, New Zealand. Its age is unknown but is estimated to be between 1,250 and 2,500 years |
Growth morphology on V8 of P. lateralis  Colony morphology on V8 at 14 days |
|
P. nicotianae symptoms 2  Symptoms of gummosis on black wattle (Fitopatol. bras. 2005) |
P. nemorosa colony morphology on V8  Colony morphology on V8 at 14 days |
P. ramorum chlamydospores  P. ramorum chlamydospores |