‘Candidatus Phytoplasma mali’ detected in Thuringen, Germany
Since 2005, symptoms of apple proliferation have been observed in a company producing apple fruits (Malus spp.) in Thuringen, Germany. Affected trees showed symptoms of proliferation, enlarged stipules, off-season blooming, poorly coloured fruits, and reduction of fruit size. PCR tests confirmed the presence of ‘Candidatus Phytoplasma mali’ (EPPO A2 List) in diseased trees. The infected trees were up-rooted and incinerated. In the remaining plots, measures were taken to control the vectors of the disease. The origin of this infection is unknown.
The pest status of ‘Candidatus Phytoplasma mali’ in Germany is officially declared as: Present in various areas, under official control.
NPPO of Germany, 2009-03.