1.a. Key Laboratory of National Forestry and Grassland Administration on Sandy Biological Resources Conservation, Cultivation and Utilization; b. Institute of Genetics and Breeding, Inner Mongolia Academy of Forestry Sciences, Hohhot 010010, Inner Mongolia, China
2.Inner Mongolia Dalate Desert Ecosystem Observation and Research Station, Ordos 014300, Inner Mongolia, China
3.a. National Engineering Research Center of Tree Breeding and Ecological Restoration; b. School of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China
4.Forestry and Grassland Bureau of Onniute Banner, Chifeng 024500, Inner Mongolia, China
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