Dieback in Jarrah, Western Australia
Photo Gallery
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P. cinnamomi on Jarrah  |
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). |
P. megakarya sporangia (photo from Q-bank, used with permission).  P. megakarya sporangia |
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P. ramorum on larch in the United Kingdom  Larch trees with P. ramorum in the UK |
P. kernoviae leaf wilt  Wilted leaf of infected rhododendron |
P. nicotianae sporangia  Noncaducous sporangium showing ovoid shape and papillate condition. (Fitopatol. bras. 2005) |
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P. pinifolia coenocytic hyphae  Coenocytic hyphae (from Duran et al. 2008). Scale bar = 20 μm. |
P. siskiyouensis oogonium with paragynous antheridium  P. siskiyouensis oogonium with paragynous antheridium |
P. boehmeriae symptoms  Symptoms of gummosis on black wattle (Acacia mearnsii) |
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P. nemorosa sporangia  Ovoid, semi-papillate sporangia showing sympodial development of sporangiophore |
P. alni symptoms on European Alder  Mature, riparian common alder (A. glutinosa) stand with high impact of Phytophthora root and collar rot. |
P. kernoviae disease on European beech  Bleeding lesion on trunk of Fagus sylvatica |