Sichuan Provincial Key Laboratory of Forestry Ecological Engineering;
College of Forestry;
Sichuan Agricultural University;
Xingkang Road 46;
Ya'an 625014 (China)Maize Research Institute;
Sichuan Agricultural University;
Ya'an 625014 (China)Sichuan Forestry Inventory and Plan Institute;
Chengdu 610081 (China);