National Key Laboratory of Wheat and Maize Crop Science;
College of Agronomy;
Henan Agricultural University;
Zhengzhou 450002;
Henan;
China;
College of Life Sciences;
Henan Agricultural University;
Zhengzhou 450002;
Henan;
China;
Maize; Single-cell sequencing; Cytoplasmic male sterility; Restoration; Heterosis;