Non-papillate sporangia of P. alni showing nested proliferation.
Photo Gallery
P. alni sporangia |
P. cambivora sporangium with sympodial proliferation Empty sporagium showing sympodial proliferation |
P. palmivora colony morphology on V8 Growth of P. palmivora on V8 agar |
P. nemorosa hyphal swellings ‘Blistered’ hyphal swellings in agar |
P. cactorum sporangium P. cactorum sporangium |
P. cambivora bole canker Fagus sylvatica bole canker |
P. lateralis on Port Orford cedar Typical decline of Chaemacyparis lawsoniana in Landrévarzec, France. |
P. palmivora oogonium P. palmivora oogonium |
P. pinifolia on Pinus radiata Pinus radiata, note grey and collapsed needle bases |
Phytophthora cactorum disease symptoms on English walnut Dieback of Juglans regia caused by Phytophthora cactorum |
P. arenaria hyphal swellings Catenulate, globose to subglobose hyphal swellings, some of them with radiating hyphae scale bar = 50 μm. |
P. alni lesion in alder, Illwald, France P. alni lesion in alder, Illwald, France |