P. palmivora oogonia with antheridia
Photo Gallery
P. palmivora oogonia |
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. pinifolia sporangium Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
Healthy Port Orford Cedar tree Healthy Chamaecyparis lawsoniana trees |
P. frigida chlamydospore Globose chlamydospores of P. frigida |
P. pluvialis - appearance of new growth Tufted appearance of new growth from surviving buds on Douglas-fir, one year after defoliation. |
P. ramorum sporangia and chlamydospores Sporangia and chlamydospores of P. ramorum |
P. siskiyouensis bleeding canker Close-up of margin area of bole lesions under the bark of a bleeding canker |
P. pseudotsugae amphigynous oogonium P. pseudotsugae oogonium with amphigynous antheridia |
P. cryptogea sporangium Obpyriform non-papillate sporangia in water |
P. cambivora sporangium Ovoid non-papillate sporangia with well-rounded base |
Phytophthora taxon Agathis bole canker Kauri tree in New Zealand with disease symptoms |