1. Department of Deciduous Fruit Trees, Institute of Plant Breeding and Genetic Resources; Hellenic Agricultural Organization ‘Demeter’; 38 R.R. Station Naoussa Greece
2. Laboratory of Food Engineering and Processing, Faculty of Agriculture; Aristotle University of Thessaloniki; Thessaloniki Greece
3. Laboratory of Pomology, Department of Crop Science; Agricultural University of Athens; 75 Iera Odos Athens Greece