P. nicotianae oogonia 100x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands)
Photo Gallery
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P. nicotianae oogonia  |
Dead Port Orford Cedar  Dead Chamaecyparis lawsoniana, BLM Roseburg District in Oregon |
P. cambivora oogonium  Bullate oogonium and and two-celled amphigynous antheridium |
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P. chlamydospora colony morphology on V8 agar  P. chlamydospora colony morphology on V8 agar |
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. |
P. agathidicia disease symptoms on kauri  Crown decline of mature kauri, with branchlets with little or no leaves |
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P. pluvialis on Pinus radiata in New Zealand  Typical red needle cast symptoms along a twig. Lesions begin at the base of the needle which subsequently turns brown and is cast from the twig. |
P. nicotianae symptoms  Symptoms of gummosis on black wattle (Fitopatol. bras. 2005) |
Growth of P. palmivora on CMA  Growth of P. palmivora on corn meal agar |
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P. cambivora colony morphology on PDA  Colony morphology on PDA at 14 days |
Port Orford Cedar Hedge row  Chamaecyparis lawsoniana residential hedge row with alive and dead trees |
P. nemorosa colony morphology on V8  Colony morphology on V8 at 14 days |