A stand of Pinus radiata trees affected by red needle cast disease. Note the reddish appearance of affected trees prior to needle drop.
Photo Gallery
|
P. pluvialis on Pinus radiata in New Zealand  |
P. palmivora colony morphology on PDA  P. palmivora colony morphology on PDA |
P. ramorum canker  Bark discoloration and zone lines in coast live oak (Quercus agrifolia) |
|
P. nicotianae symptoms  Symptoms of gummosis on black wattle (Fitopatol. bras. 2005) |
P. pinifolia coenocytic hyphae  Coenocytic hyphae (from Duran et al. 2008). Scale bar = 20 μm. |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
|
P. kernoviae sporangium  Papillate and caducous sporangium, photo from Q-bank, used with permission |
Phytophthora cactorum disease symptoms on English walnut  Dieback of Juglans regia caused by Phytophthora cactorum |
P. cryptogea sporangium  Ovoid non-papillate sporangia in water. |
|
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. cryptogea colony morpholgy on PDA  Colony morphology on PDA at 14 days |
P. nicotianae colony morphology on V8  Phytophthora nicotianae CBS 321.49 V8 after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |