Chen Rongping Jiao Qingming Lan Rongli Qiu Enjian Song Baogang Sun Yikuan (Heilongjiang Tobacco Science and Research Institute Mudanjiang 157011) Feng Chuncai (Heilongjiang Tobacco Import&Export Company) Xu Fang (Mudanjiang Tobacco Company of Hei
Du Yongmei Guo Chengfang Zhang Huaibao Shang Yao Wang Xiaoling Qiu Jun Ai Hongli (Qingzhou Tobacco Research Institute of CNTC Qingzhou,Shandong 262500)
Li Yixue 1 Liu Jiafen 2 Li Xinju 1 Song Chengjian 1 1 Shandong Agricultural University Tai’an 271018 2 Fruit Tree Research Institute of Shandong Academy of Agricultural Sciences
Wang Zhide Qian Yumei (Qingzhou Tobacco Research Institute of CNTC Qingzhou,Shandong 262500) Wang Liangyou (Jinzhai Tobacco Corporation of Anhui Province) Gao Zhengliang (Tobacco Research Institute of Anhui Province)