1. Hubei Key Laboratory of Biologic Resources Protection and Utilization (Hubei Minzu University), Enshi, PR China
2. Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, PR China
3. Research Center for Germplasm Engineering of Characteristic Plant Resources in Enshi Prefecture (Hubei Minzu University), Enshi, PR China