Growth of P. megakarya on corn meal agar
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Growth of P. megakarya on corn meal agar
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Port Orford Cedar Hedge row Chamaecyparis lawsoniana residential hedge row with alive and dead trees |
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. austrocedrae - Mal del ciprés, stages of decline Mal del ciprés, stages of decline |
P. cinnamomi cork oak decline Red oak with embedded lesions, France |
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. pinifolia hyphal growth P. pinifolia pathogen growing from infected needle on selective agar |
P. alni oogonium Bullate oogonium of P. alni (German variant) with oospore and amphigynous antheridium. |
P. cambivora colony morphology on PDA Uniform fluffy colony morphology at 14 days at 20°C on PDA |
P. pluvialis - appearance of new growth Tufted appearance of new growth from surviving buds on Douglas-fir, one year after defoliation. |
P. pinifolia on Pinus radiata Pinus radiata needles, note “black line” symptom near needle bases |
P. pinifolia colony morphology on PDA Colony pattern after 7 days on PDA at 24C, photo from Q-bank, used with permission. |