(1.College of Bioscience and Bioengineering, Hebei University of Economics and Business, Shijiazhuang 050071;2.Institue of Biotechnology and Food Science, Hebei Academy of Agriculture and Forestry Sciences,Shijiazhuang 050050;3.Institute of Millet Crops, Hebei Academy of Agriculture and Forestry Sciences, National Foxtail Millet Improvement Center, Minor Cereal Crops Laboratory of Hebei Province, Shijiazhuang 050035)