1. National Citrus Engineering and Technology Research Center, Citrus Research Institute, Southwest University/Chinese Academy of Agricultural Sciences, Beibei, Chongqing 400712, China
2. Chongqing Academy of Forestry, Chongqing, 400036, China
3. USDA-ARS, National Germplasm Resources Laboratory, Beltsville, MD 20705
4. National Citrus Engineering and Technology Research Center, Citrus Research Institute, Southwest University/Chinese Academy of Agricultural Sciences, Beibei, Chongqing 400712, China.