Colony morphology of Phytophthora arenaria after 7 days at 20°C on carrot agar
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Growth of P. arenaria on CA |
P. cinnamomi cork oak decline Red oak with embedded lesions, France |
P. siskiyouensis colony morphology on V8 Colony morphology on V8 at 14 days |
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P. pinifolia sporangia Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. agathidicia disease symptoms on kauri Crown decline of mature kauri, with branchlets with little or no leaves |
P. cactorum sporangia Broadly ovoid, papillate sporangia in water. |
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P. austrocedrae necrotic lesion in phloem P. austrocedrae - necrotic lesion in phloem |
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). |
Stain from Port Orford Cedar root disease Stain from Chamaecyparis lawsoniana root disease on the Smith River |
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P. agathidicida lesion on kauri tree Close up of gum oozing out of lower trunk lesions of a young kauri tree at Maungaroa Ridge, Piha region of Waitakere Regional Park |
P. cambivora symptoms P. cambivora on Fagus sylvatica bole |
P. cinnamomi on Jarrah Dieback in Jarrah, Western Australia |


