1. National Research Center of Rapeseed Engineering and Technology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
2. Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresources, College of Tropical Crops, Hainan University, Haikou 570228, P.R China
3. Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wenchang 571339, P.R. China
4. Department of Plant Breeding, IFZ Research Centre for Biosystems, Land Use and Nutrition, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32, Giessen 35392i, Germany
5. Hainan Key Laboratory for Biosafe Monitoring and Molecular Breeding in Off-Season Reproduction Region, Institute of Tropical Bioscience and Biotechnology Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China