Bleeding canker on European beech (Fagus sylvatica)
Photo Gallery
P. cactorum bleeding canker |
P. palmivora oogonia P. palmivora oogonia with antheridia |
P. pluvialis hyphal swellings P. pluvialis hyphal swellings in water |
P. alni in riparian alder, Scotland P. alni in riparian alder, Scotland |
P. pinifolia sporulation Sporulation on edge of hemp seed, photo from Q-bank, used with permission. |
P. austrocedrae necrotic lesion in phloem P. austrocedrae - necrotic lesion in phloem |
P. pluvialis on Pinus radiata in New Zealand A Pinus radiata needle showing faded olive- or khaki- coloured lesions consistent with the presence of red needle cast disease. Arrow shows resinous bands within the extended olive lesion. |
P. tentaculata sporangium Papillate sporangium of P. tentaculata |
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. |
Phytophthora cactorum disease symptoms on English walnut Dieback of Juglans regia caused by Phytophthora cactorum |
P. nicotianae hyphal swelling P. nicotianae hyphal swellings in water 100x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
P. ramorum zoospores Sporangium of P. ramorum releasing zoospores |