1. State Key Laboratory of Tree Genetics and Breeding; Key Laboratory of Tree Breeding and Cultivation of the State Forestry Administration; Research Institute of Forestry; Chinese Academy of Forestry; Beijing P. R. China
2. Collaborative Innovation Center of Sustainable Forestry in Southern China; Nanjing Forestry University; Nanjing P. R. China
3. Experimental Center of Desert Forestry; Chinese Academy of Forestry; Inner Monglia; P. R. China