Institute of Crop Sciences Chinese Academy of Agricultural Sciences/Key Laboratory of Crop Physiology and Ecology Ministry of Agriculture and Rural Affairs Beijing 100081 P.R.China;
College of Agriculture Shandong Agricultural University/State Key Laboratory of Crop Biology Tai''an 271018 P.R.China;
Jiangsu Academy of Agricultural Sciences Nanjing 210014 P.R.China;
Institute of Crop Sciences Chinese Academy of Agricultural Sciences/Key Laboratory of Crop Physiology and Ecology Ministry of Agriculture and Rural Affairs Beijing 100081 P.R.China;
Institute of Crop Sciences Chinese Academy of Agricultural Sciences/Key Laboratory of Crop Physiology and Ecology Ministry of Agriculture and Rural Affairs Beijing 100081 P.R.China;
Institute of Crop Sciences Chinese Academy of Agricultural Sciences/Key Laboratory of Crop Physiology and Ecology Ministry of Agriculture and Rural Affairs Beijing 100081 P.R.China;
maize; pare ntal in bred lin es; diur nal variati on; photosynthetic resp on se; three eras;