1. College of Horticulture, State Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Nanjing Agricultural University , Nanjing, Jiangsu 210095 , China
2. Horticulture Section, School of Integrative Plant Science, Cornell University , Ithaca, NY 14853 , USA
3. New Zealand Institute for Plant and Food Research Limited, Mt. Albert Research Centre , Auckland 1025 , New Zealand
4. State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University , Yangling 712100 , China
5. Research and Innovation Centre, Edmund Mach Foundation , Via Edmund Mach 1, San Michele all’Adige 38098 , Italy