Guizhou Provincial Company of China National Tobacco Corporation Guiyang 550081 China;
Shaanxi Provincial Company of China National Tobacco Corporation Xi''an 710061 China;
Shaanxi Provincial Company of China National Tobacco Corporation Xi''an 710061 China;
Guizhou Provincial Company of China National Tobacco Corporation Guiyang 550081 China;
Sichuan Provincial Company of China National Tobacco Corporation Chengdu 610017 China;
Shaanxi Provincial Company of China National Tobacco Corporation Xi''an 710061 China;
Sichuan Provincial Company of China National Tobacco Corporation Chengdu 610017 China;
Guizhou Provincial Company of China National Tobacco Corporation Guiyang 550081 China;
Guizhou Provincial Company of China National Tobacco Corporation Guiyang 550081 China;
Institute of Tobacco Research of Chinese Academy of Agricultural Sciences Qingdao 266101 China;
Institute of Tobacco Research of Chinese Academy of Agricultural Sciences Qingdao 266101 China;
Tobacco brown spot; Alternaria alternata; Fungicide; Sensitivity;