Dieback and shoot blight symptoms caused by P. ramorum on Abies grandis
Photo Gallery
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P. ramorum Dieback and shoot blight on Grand fir  |
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) |
P. siskiyouensis oogonium with paragynous antheridium  P. siskiyouensis oogonium with paragynous antheridium |
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P. lateralis on Port Orford cedar  Root lesions on Chaemacyparis lawsoniana |
P. tentaculata sporangium  Papillate sporangium of P. tentaculata with an elongated neck or beak. |
P. agathidicia oogonia  Light micrograph of P. agathidicida oospore (Scale bar equals 15 µm) |
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P. kernoviae colony morphology  From Mycol.Res 109, 853-859; growth on CA under different conditions |
Phytophthora cactorum canker on beech tree  Canker on Fagus sp. caused by Phytophthora cactorum. |
P. pluvialis on Pinus radiata in New Zealand  Pinus radiata needles showing colour changes following infection with red needle cast disease. The tissues around the initial infection at the base or along the needle senesce, and change yellow and then brown as indicated by the arrows before the needles cast. |
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P. cactorum bleeding canker  Bleeding canker on red oak (Quercus rubra) |
P. pinifolia on Pinus radiata  Pinus radiata dead needles caused by DFP with healthy new growth from DFP |
Necrotic lesion in phloem caused by P. austrocedrae  Necrotic lesion in phloem with resin pocket caused by P. austrocedrae |