1. Center for Plant Science Innovation University of Nebraska‐Lincoln Lincoln NE68588 USA
2. Laboratory of Functional Genome and Application of Potato Xichang University Liangshan 615000 China
3. College of Life Sciences Sichuan University Chengdu 610065 China
4. Maize Research Institute Sichuan Agricultural University Chengdu 611130 China
5. Department of Agronomy and Horticulture University of Nebraska‐Lincoln Lincoln 68588 NE USA
6. Department of Biochemistry University of Nebraska‐Lincoln Lincoln NE USA