1. State Key Laboratory of Crop Stress Biology for Arid Areas, College of Horticulture, Northwest A&F University, Yangling 712100, Shaanxi, China
2. Shaanxi Research Center of Apple Engineering and Technology, Yangling 712100, Shaanxi, China
3. Fujian Provincial Key Laboratory of Plant Functional Biology, College of Horticulture, Fujian A&F University, Fuzhou 350002, China