1. State Key Laboratory of Crop Stress Biology for Arid Areas, College of Horticulture; Northwest A&F University; Yangling China
2. College of Horticulture; Qingdao Agriculture University; Qingdao China
3. New Zealand Institute for Plant & Food Research Ltd.; Palmerston North New Zealand
4. USDA-ARS National Laboratory for Genetic Resources Preservation; Fort Collins Colorado