GM61/1 is a Prunus dawyckensis selection obtained at the former Fruit and Vegetables Station, renamed since the 1st january 1998 as the Biotechnology Departement of the Agricultural Research Centre of Gembloux (Ministry of Agriculture, Belgium). Damil® succeeds all the selection criterias for the intensive production. Excessive growth of sweet cherry trees is well controlled. There is no root suckers production and the rootstock has an important frost resistance. Virus free, Damil® has been successfully grafted with more than 160 varieties; those trees are now 10 to 25 years old.