Colony morphology of P. austrocedrae at 16 C after four weeks on PDA
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P. austrocedrae colony morphology on PDA |
P. nicotianae colony morphology on CMA Phytophthora nicotianae CBS 321.49 CMA after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
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. pseudotsugae sporangium Broadly ovoid, papillate sporangium in water |
P. austrocedrae - Mal del ciprés, stages of decline Mal del ciprés, stages of decline |
P. megasperma sporangium Ovoid, non-papillate sporangia |
Growth morphology on V8 of P. lateralis Colony morphology on V8 at 14 days |
P. megasperma oogonium Oogonium with paragynous antheridia applied close to the ogonial stalk. |
P. pinifolia on Pinus radiata Pinus radiata, note Stem canker associated with necrotic needles. |
P. frigida symptoms 1 Symptoms of gummosis on black wattle |
Basal canker on Port-Orford cedar Basal canker on Chamaecyparis lawsoniana |
P. megasperma sporangia Ovoid, non-papillate sporangia showing internal proliferation of sporangiophore |