1. College of Forestry, Sichuan Agricultural University, Chengdu, Sichuan Province 611130, China
2. Ganzi Institute of Forestry Research, Kangding, Sichuan Province 626001, China
3. National Forestry and Grassland Administration Key Laboratory of Forest Resources Conservation and Ecological Safety on the Upper Reaches of the Yangtze River and Forestry Ecological Engineering in the Upper Reaches of the Yangtze River Key Laboratory of Sichuan Province, Chengdu, Sichuan Province 611130, China
4. Sichuan Guoguang Agrochemical Co., Ltd., Chengdu 611130, China