1. Dep. of Agronomy and Horticulture Univ. of Nebraska‐Lincoln Lincoln NE 68583 USA
2. Center for Plant Science Innovation Univ. of Nebraska‐Lincoln Lincoln NE 68583 USA
3. Cereal Institute, Henan Academy of Agricultural Sciences Henan International Joint Laboratory on Maize Precision Production Zhengzhou Henan 450002 China
4. Dep. of Biological Systems Engineering Univ. of Nebraska‐Lincoln Lincoln NE 68583 USA