Phytophthora collar rot on Italian alder trees: standing, dead tree
Photo Gallery
|
P. siskiyouensis disease symptoms on Italian alder  |
P. cambivora sporangium with nested proliferation  Empty sporagia showing internal nested proliferation |
P. austrocedrae colony morphology on Tomato juice agar  Colony morphology of P. austrocedrae at 16 ºC after 4 weeks on Tomato juice agar |
|
P. cactorum colony morphology on PDA  Colony morphology on PDA at 14 days |
P. pinifolia sporangium  Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. tentaculata sporangium  Papillate sporangium of P. tentaculata |
|
P. nicotianae chlamydospore  Globose chlamydospore (Fitopatol. bras. 2005) |
Black pod disease of cacao  Symptom of black pod disease of cacao (T. cacao) caused by P. palmivora |
P. cambivora sporangium with internal extended proliferation  Empty sporagia showing internal nested and extended proliferation |
|
P. pluvialis on Pinus radiata in New Zealand  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. |
P. ramorum sporangium  P. ramorum sporangium |
P. ramorum Dieback and shoot blight on Grand fir  Dieback and shoot blight symptoms caused by P. ramorum on Abies grandis |