1. Guangxi Key Laboratory of Agric‐Environment and Agric‐Product SafetyAgricultural CollegeGuangxi University Nanning P. R. China
2. Seed Administrative Station of Bijie Bijie P. R. China
3. Jiangsu Key Laboratory for Food Quality and Safety‐State Key Laboratory Cultivation BaseMinistry of Science and TechnologyInstitute of Food Safety and NutritionJiangsu Academy of Agricultural Sciences Nanjing P. R. China