Oospores of P. agathidicida in the roots of kauri seedlings inoculated with P. agathidicida. The root has been cleared with potassium hydroxide and bleached with peroxide, before being stained with Trypan Blue
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P. agathidicida oospores |
P. pluvialis symptoms Symptoms of red needle cast on Douglas-fir needles |
P. austrocedrae - hyphal swellings Morphology of hyphae of Phytophthora austrocedrae, from Greslebin et al. 2007 |
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P. cambivora sporangium with internal extended proliferation Empty sporangia showing internal extended proliferation |
P. nicotianae symptoms 2 Symptoms of gummosis on black wattle (Fitopatol. bras. 2005) |
P. siskiyouensis canker on Italian alder Bleeding canker at the base of a tree and a sprinkler emitter (arrow) adjacent to the trunk |
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P. palmivora sporangia, chlamydospores, hyphae Sporangia (sporangiospores), chlamydospores, and hyphae stained with Cotton Blue |
P. siskiyouensis canker on Italian alder Phytophthora collar rot on Italian alder trees: an isolated bleeding canker on the trunk |
Dying Port Orford Cedar trees Dead Chamaecyparis lawsoniana trees |
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P. kernoviae colony morphology From Mycol.Res 109, 853-859; growth on CA under different conditions |
P. tentaculata microscopic characteristics Hyphal swellings occuring at branching points of Mycelium (A), Intercalary hyphal swellings (B), Chlamydospore (C ), Sporangia (D) |
P. pluvialis hyphal swellings P. pluvialis hyphal swellings in water |


