Symptoms of red needle cast on Douglas-fir needles
Photo Gallery
|
P. pluvialis symptoms  |
P. pinifolia sporangium  Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. megasperma oogonium  Oogonium with paragynous antheridia applied close to the ogonial stalk. |
|
P. cryptogea colony morpholgy on V8  Colony morphology on V8 at 14 days |
P. arenaria sporangia  Typical ovoid papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract |
Phytophthora taxon Agathis bole canker  Kauri tree in New Zealand with disease symptoms |
|
P. nemorosa hyphal swellings  ‘Blistered’ hyphal swellings in agar |
P. siskiyouensis sporangium  P. siskiyouensis sporangium with lateral semi-papilla and subterminal, sub-basal insertion in the sporangiophore |
Boot wash to station to control spread of P. agathidicida  Use of hypochlorite solution applied through a “livestock drench-gun”, integrated with a soil grate to allow potentially contaminated soil to be collected |
|
P. ramorum bleeding canker  Bark cracks with black ooze in coast live oak, a symptom of P. ramorum canker. |
P. cinnamomi on Banksia  Death of woodland Banksia, Western Australia |
P. arenaria sporangia  Globose papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract. (Scale bar = 20 μm) |