College of Agriculture Northeast Agricultural University Harbin 150030 P.R.China;
Institute of Agricultural Resources and Environment Jilin Academy of Agricultural Sciences/State Engineering Laboratory of Maize National Development and Reform Commission Changchun 130033 P.R.China;
Institute of Agricultural Resources and Environment Jilin Academy of Agricultural Sciences/State Engineering Laboratory of Maize National Development and Reform Commission Changchun 130033 P.R.China;
College of Agriculture Northeast Agricultural University Harbin 150030 P.R.China;
Institute of Agricultural Resources and Environment Jilin Academy of Agricultural Sciences/State Engineering Laboratory of Maize National Development and Reform Commission Changchun 130033 P.R.China;
College of Agriculture Northeast Agricultural University Harbin 150030 P.R.China;