1 College of Agronomy, Synergetic Innovation Center of Henan Grain Crops and National Key, Laboratory of Wheat and Maize Crop Science, Henan Agricultural University, Zhengzhou 450002, China.
2 Institute of Cereal Crops, Henan Provincial Key Laboratory of Maize Biology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China.
3 Institute of Plant Protection, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China.
4 Department of Biological Center, Harbin Academy of Agricultural Sciences, Harbin 150028, China.
5 Institute of Crop Sciences/National Key Facility of Crop Gene Resources and Genetic Improvement, Chinese Academy of Agricultural Sciences, Beijing 100081, China.