1. 1Institute for Epidemiology and Pathogen Diagnostics, Julius Kühn-Institut, Federal Research Centre for Cultivated Plants, Braunschweig, Germany
2. 2Department of Plant Protection, Faculty of Agriculture, Euphrates University, Syria
3. 3Institute for Plant Protection in Field Crops and Grassland, Julius Kühn-Institut, Federal Research Centre for Cultivated Plants, Elsdorf, Germany