1. Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), Institute of Agro-Bioengineering, Guizhou University, Guiyang, P. R. China
2. Institute for Forest Resources & Environment of Guizhou/College of Forestry, Guizhou University, Guiyang, P. R. China
3. Institute of Fruit Tree Research, Guizhou Provincial Academy of Agricultural Sciences, Guiyang, P. R. China
4. School of Architectural Engineering, Kaili University, Kaili, P. R. China