Phytophthora chlamydospora sporangia in water, showing subsporangial elongation. Bar is 20 µm.
Photo Gallery
P. chlamydospora sporangium |
P. megasperma oogonium Oogonium with paragynous antheridia applied close to the ogonial stalk. |
P. cinnamomi cork oak decline Cork oak decline, Portugal |
P. tentaculata disease symptoms on sticky monkey flower Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
Growth of P. arenaria on V8 Colony morphology of Phytophthora arenaria after 7 days at 20°C on V8 agar |
P. frigida symptoms 3 Black wattle bark with symptoms of gummosis |
Phytophthora cactorum canker on beech tree Canker on Fagus sp. caused by Phytophthora cactorum. |
P. pluvialis symptoms on Douglas-fir Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
P. siskiyouensis bleeding canker Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue |
P. nicotianae oogonia P. nicotianae oogonia 100x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
P. ramorum sporangia P. ramorum sporangia |
Dead Port Orford Cedar Dead Chamaecyparis lawsoniana, BLM Roseburg District in Oregon |