Dickeya solani
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Dickeya solani van der Wolf et al., 2014
The bacterium causes a serious soft rot disease on potatoes. The bacterium is highly virulent and infections can be initiated from few bacteria cells (as low as 10 cells/tuber). This species has been isolated from potatoes in several European countries since 2005, e.g. the Netherlands, UK, Finland and Poland. It has been also reported from Israel on potatoes imported as tubers from Europe and caused serious outbreaks there with an incidence of up to 30% in one cultivar. This is apparently related to the high optimal temperature range (25-39°C) of the disease agent.
The pathogen causes typical blackleg symptoms closely resembling those of the related Dickeya dianthicola and Pectobacterium atrosepticum. These include soft rot of tubers, foliar symptoms and stem rot on the potato plants.
For an overview see Toth et al. 2011.
