Black wattle bark with symptoms of gummosis
Photo Gallery
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P. frigida symptoms 3  |
P. frigida sporangia  Noncaducous sporangia showing ovoid shape and papillate condition |
P. pluvialis on Pinus radiata needle  Clusters of sporangia emerge from stomata of an infected radiata pine needle. |
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Port Orford Cedar Hedge row  Chamaecyparis lawsoniana residential hedge row with alive and dead trees |
P. tentaculata disease symptoms on California mugwort  Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant). |
P. austrocedrae semipapillate sporangium  P. austrocedrae - semipapillate sporangium with off-center attachment. |
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Black pod disease of cacao  Symptom of black pod disease of cacao (T. cacao) caused by P. palmivora |
P. cambivora colony morphology on PDA  Rosaceous colony morphology at 14 days at 20°C on PDA |
P. austrocedrae - Mal del ciprés, stages of decline  Colony morphology of P. austrocedrae at 16 C after four weeks on PDA |
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P. pinifolia sporangia  Sporangium with internal proliferation, photo from Q-bank, used with permission. |
P. ramorum oogonium  Oogonium with thick oogonial wall, photo from Q-bank, used with permission |
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). |