1. Julius Kuehn-Institute; Institute for Breeding Research on Fruit Crops; Federal Research Centre for Cultivated Plants; Pillnitzer Platz 3a 01326 Dresden Germany
2. Institute of Crop Science; Section of Crop Physiology of Specialty Crops (340f); University of Hohenheim; Emil-Wolff Staße 25 70593 Stuttgart Germany
3. Faculty of Landscape Architecture; Horticulture and Forestry; University of Applied Sciences Erfurt; Leipziger Straße 77 99085 Erfurt Germany
4. Testing Station Wurzen for Fruits and Gene Bank; Federal Plant Variety Office; Torgauer Straße 100 04808 Wurzen Germany