Aplerotic oogonia of P. arenaria with paragynous antheridia. Scale bar = 20 μm
Photo Gallery
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P. arenaria oogonium  |
P. megakarya sporangium  Caducous papillate sporangium of P. megakarya |
P. tentaculata chlamydospore  Terminal chlamydospore of P. tentaculata |
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P. megasperma oogonium  Oogonium with paragynous antheridia applied close to the ogonial stalk. |
Chlamydospore of P. lateralis  Laterally intercalary chlamydospore of Phytophthora lateralis |
P. pluvialis hyphal swellings  P. pluvialis hyphal swellings on agar |
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P. katsurae oogonium  Micrograph of warty oogonium |
P. siskiyouensis sporangium  P. siskiyouensis sporangium with lateral semi-papilla and subterminal, sub-basal insertion in the sporangiophore |
Comparative gametangial morphology of Phytophthora Clade 5 species  Comparative gametangial morphology of Phytophthora Clade 5 species, with SEM (top) and light microscopy (bottom). P. heveae has smooth walled oogonia with funnel-shaped, amphigynous antheridia. P. agathidicida has mildly stipulate oogonia with globose amphigynous antheridia. P.cocois has mildly bullate oogonia with reflexed amphigynous antheridia. P. castaneae has coarsely bullate oogonium with rugose protuberances and narrow amphigynous antheridia (Weir et al. 2015). |
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P. cactorum sporangia  Broadly ovoid, papillate sporangia in water. |
Healthy Port Orford Cedar tree  Healthy Chamaecyparis lawsoniana tree |
P. boehmeriae symptoms  Symptoms of gummosis on black wattle (Acacia mearnsii) |