[1] Chinese Acad Agr Sci CAAS, Inst Urban Agr IUA, Chengdu 610213, Peoples R China
[2] Chengdu Natl Agr Sci & Technol Ctr NASC, Chengdu 610213, Peoples R China
[3] Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Beijing 100081, Peoples R China
[4] Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Peoples R China