Update on the situation of Dothistroma septosporum in Germany
The NPPO of Germany recently informed the EPPO Secretariat of the detection of Dothistroma septosporum (teleomorph: Mycosphaerella pini – EU Annexes) in new areas in 2016 (see also RS 2016/138) and in 2017.
- Brandenburg: In June 2016, D. septosporum was found on Pinus nigra trees in a forest of Brandenburg. These trees were planted approximately 15 years ago and it was estimated that 10 ha were affected. Official phytosanitary measures are being taken to contain the disease.
- Hamburg: In December 2016, D. septosporum was found for the first time in the Northern part of Hamburg on Pinus mugo planted in a hedge. Affected trees and fallen needles were removed and burnt. Further investigations are being carried out in the surroundings to delimit the extent of the infection.
- Schleswig-Holstein: In April 2016, D. septosporum was detected in symptomatic plants of Pinus parviflora (30 plants), P. sylvestris (50 plants) and Pinus heldreichii var. leucodermis (25 plants) which belonged to a landscaping company in Schleswig-Holstein. Further investigations are being carried out in the surroundings to delimit the extent of the infection.
The pest status of Dothistroma septosporum in Germany is officially declared as: Present, only in some parts of the Member State concerned, under containment, in case eradication is impossible.
Sources
NPPO of Germany (2017-03, 2017-07).