1. Key Laboratory of Oilseeds Processing of Ministry of Agriculture, Key Laboratory of Biology and Genetic Improvement of Oil Crops of Ministry of Agriculture, P. R. China, and Hubei Key Laboratory of Lipid Chemistry and Nutrition, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Xudong 2nd Road, Wuhan, Hubei 430062, P. R. China
2. Enshi Autonomous Prefecture Academy of Agricultural Sciences, Enshi, Hubei 445002, P. R. China