1. Plant Sciences Unit - Crop Protection; Institute for Agricultural and Fisheries Research (ILVO); Burg. van Gansberghelaan 96 bus 2 9820 Merelbeke Belgium
2. Research Centre for Fruit Cultivation (pcfruit); Fruittuinweg 1 3800 Sint-Truiden Belgium
3. East Malling Research; Pest and Pathogen Ecology for Sustainable Crop Management; West Malling Kent ME19 6BJ UK