P. austrocedrae. Morphology of oogonia, oospores and antheridia. Bar: 10 mm. Greslebin et al. 2007
Photo Gallery
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P. austrocedrae oogonia drawing  |
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. cactorum oogonium  Oogonium with paragynous antheridia close to oogonial stalk. Oospores are slightly aplerotic. |
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P. tentaculata on V-8 media  Culture of P. tentaculata on V-8 media |
Necrotic lesion in phloem caused by P. austrocedrae  Necrotic lesion in phloem with resin pocket caused by P. austrocedrae |
P. cambivora colony morphology on V8  Colony morphology on V8 at 14 days |
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P. kernoviae leaf wilt  Wilted leaf of infected rhododendron |
P. austrocedrae necrotic lesion in phloem  P. austrocedrae - necrotic lesion in phloem |
P. nemorosa sporangium  Ovoid, semi-papillate sporangium showing medium length pedicel. |
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P. siskiyouensis disease symptoms on Italian alder  Phytophthora collar rot on Italian alder trees: standing, dead tree |
P. pinifolia colony morphology on PDA  Colony pattern after 7 days on PDA at 24C, photo from Q-bank, used with permission. |
P. lateralis on Port Orford cedar  Lesion caused by aerial infection on Chaemacyparis lawsoniana in Lopérec, France |