Phytophthora rubi(PHYTFU)
Photos
For publication in journals, books or magazines, permission should be obtained from the original photographers with a copy to EPPO.
![](/media/data/taxon/P/PHYTFU/pics/220x130/1245.jpg)
Oospores of P. fragariae var. rubi (x 400).
Courtesy: A. Bolay, Station Fédérale de Recherches Agronomiques de Changins (CH).![](/media/data/taxon/P/PHYTFU/pics/220x130/1243.jpg)
Symptoms on raspberry roots (Rubus idaeus var. Glen Moy). Note the brownish area sharply demarcated from healthy tissue and the reddish discoloration on some roots.
Courtesy: C. Olsson, Swedish Board of Agriculture, Göteborg (SE).![](/media/data/taxon/P/PHYTFU/pics/220x130/1242.jpg)
Wilting of a raspberry cane of two-years old, when fruits are riped. Plants are dying by dessication, as roots completely loose their assimilation capability.
Courtesy: A. Bolay, Station Fédérale de Recherches Agronomiques de Changins (CH).![](/media/data/taxon/P/PHYTFU/pics/220x130/1241.jpg)
Sudden wilt of suckers of the year. Foci extend from one year to another according to the soil cultural operations and rainwash.
Courtesy: A. Bolay, Station Fédérale de Recherches Agronomiques de Changins (CH).![](/media/data/taxon/P/PHYTFU/pics/220x130/1244.jpg)
Symptoms on raspberry roots (Rubus idaeus var. Glen Moy). Note the brownish area sharply demarcated from healthy tissue. C. Olsson Swedish Board of Agriculture, Göteborg (SE)
![](/media/data/taxon/P/PHYTFU/pics/220x130/1240.jpg)
Healthy raspberry roots (right) and roots infected by P. fragariae var. rubi (left). On infected plants, the secondary root system is completely destroyed, and wilting is then irreversible.
Courtesy: A. Bolay, Station Fédérale de Recherches Agronomiques de Changins (CH).![](/media/data/taxon/P/PHYTFU/pics/220x130/4968.jpg)
The start of zoospore release from a mature sporangium. Membrane then ruptures to release 20-30 active zoospores.
Courtesy: Ruth D'urban-Jackson. RSK ADAS Ltd., UK.![](/media/data/taxon/P/PHYTFU/pics/220x130/1239.jpg)
Symptoms on raspberry roots (Rubus idaeus var. Glen Moy). Note the reddish coloured area on the root.
Courtesy: C. Olsson, Swedish Board of Agriculture, Göteborg (SE).![](/media/data/taxon/P/PHYTFU/pics/220x130/16807.jpg)
Progressive stem necrosis caused by Phytophthora rubi on raspberries.
Courtesy: Kristine Paruma - State Plant Protection Service of Latvia