Department of Agronomy Iowa State University Ames 50010 USAKey Laboratory of Biology and Genetic Improvement of Maize in Southwest Region Maize Research Institute Sichuan Agricultural University Chengdu 611130 China;
Key Laboratory of Biology and Genetic Improvement of Maize in Southwest Region Maize Research Institute Sichuan Agricultural University Chengdu 611130 China;
Department of Agronomy Iowa State University Ames 50010 USA;
germplasm; breeding; seedling;