P. palmivora oogonia with antheridia
Photo Gallery
P. palmivora oogonia |
Stain from Port Orford Cedar root disease Stain from Chamaecyparis lawsoniana root disease on the Smith River |
P. pinifolia colony morphology on V8 Colony pattern after 7 days on V8 at 24C, photo from Q-bank, used with permission |
P. siskiyouensis oogonium with amphigynous antheridium P. siskiyouensis oogonium with amphigynous antheridium |
P. pinifolia sporangia Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. katsurae disease symptoms Infected chestnut tree with girdling canker on stem |
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. frigida sporangia Noncaducous sporangia showing ovoid shape and papillate condition |
P. cryptogea sporangium Obpyriform non-papillate sporangia in water |
P. ramorum oogonium Oogonium with thick oogonial wall, photo from Q-bank, used with permission |
P. siskiyouensis canker on Italian alder Bole lesions in the tissues under the bark of a bleeding canker: distinct margin between healthy and disease tissues |
Growth of P. arenaria on half-strength PDA Colony morphology of Phytophthora arenaria after 7 days at 20°C on half-strength PDA |